1994 Buick Century Engine Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

469 Engine parts are listed for the 1994 Buick Century, in 84 part types, covering both the 2.2L L4 and the 3.1L V6. Each one has a brand, a manufacturer part number and notes that say where it fits.

On the 1994 Buick Century, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. Most of the listed parts are Oil (40 parts), Crankshaft Seal (24 parts) and Oil Filter (18 parts). The other 81 part types cover the remaining 387 parts.

Camshaft

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 3.1L V6 ES1539
🇺🇸 US
Engine VIN code TUse flat followers
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ENGINETECH Fits: 3.1L V6 ES1569
🇺🇸 US
Engine VIN code J,MUse roller followers
Fitment notes — ENGINETECH ES1569
Engine VIN code J,MUse roller followersManufactured from solid Bar stock
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SKP Fits: 3.1L V6 SKES1569
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the camshafts that open the valves.

Camshaft Bearing

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 CC404B
🇺🇸 US
Full Set
Fitment notes — ENGINETECH CC404B
Full Set
with Wide Center Bearings
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MAHLE / CLEVITE Popular Fits: 3.1L V6 SH1364S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Set
Fitment notes — MAHLE / CLEVITE SH1364S
Full Set
(Size: Standard)
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DURA-BOND Fits: 3.1L V6 CH18
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Standard
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DURA-BOND Fits: 3.1L V6 CH18A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Special Bearing Set with Wide No. 2, 3 Position
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ENGINE PRO Fits: 3.1L V6 151364
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
INCLUDES TURBO
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ENGINETECH Fits: 3.1L V6 CC423
🇺🇸 US
Full Set
Fitment notes — ENGINETECH CC423
Full Set
.010 undersized IDwith Wide Center Bearings
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SEALED POWER Fits: 3.1L V6 1492M
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full round design (Size: Standard)
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This table covers the Camshaft bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Camshaft Dowel Pin

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.1L V6 24575061
🇺🇸 US 🇨🇦 CA
Outside Diameter (In): 0.185 In
Fitment notes — GM GENUINE 24575061
Outside Diameter (In): 0.185 In
4 speed Automatic trans.17MM LONG2nd Design
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This table covers the Camshaft Dowel pins.

Camshaft Plug

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.1L V6 10241154
🇺🇸 US 🇨🇦 CA
2.107 OD
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This table covers the Camshaft plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.

Connecting Rod

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 3.1L V6 ECR305
🇺🇸 US
Reconditioned
Fitment notes — ENGINETECH ECR305
Reconditioned
Press Fit pins595grSmall End Width 0.850Forging # None, 574,966,996
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This table covers the connecting rods between each piston and the crankshaft.

Connecting Rod Bearing

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 BB285J
🇺🇸 US
Set
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MAHLE / CLEVITE Popular Fits: 3.1L V6 CB1238A6
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
A Series (Aluminum)Set
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ITM ENGINE COMPONENTS Fits: 3.1L V6 6B9539
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
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KING ENGINE BEARINGS Fits: 3.1L V6 CR605SI
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
BI-Metal (aluminum silicon base)Set
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MAHLE / CLEVITE Fits: 3.1L V6 CB1238P
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
P Series (Tri-Metal)Pair
Fitment notes — MAHLE / CLEVITE CB1238P
P Series (Tri-Metal)Pair
(Size: 0.040" Undersize)
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MAHLE / CLEVITE Fits: 3.1L V6 CB1238A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
A Series (Aluminum)Pair
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MAHLE / CLEVITE Fits: 3.1L V6 CB1797A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
A Series (Aluminum)Pair
Fitment notes — MAHLE / CLEVITE CB1797A
A Series (Aluminum)Pair
Connecting Rods with Housing Bore Resized .002 IN Larger Than Stock
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SEALED POWER Fits: 3.1L V6 4020AP
🇺🇸 US 🇨🇦 CA
Except Display Sizes Only (Size: Standard)
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SEALED POWER Fits: 3.1L V6 4020A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
A-Series aluminum bearings
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SEALED POWER Fits: 3.1L V6 64020A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetA-Series aluminum bearings
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This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Conversion / Lower Gasket Set

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 C189CSA
🇺🇸 US
Engine VIN code M,J
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FEL-PRO Popular Fits: 3.1L V6 CS9957
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Permadry Rubber Oil Pan Gasket(s) Included
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AJUSA Fits: 3.1L V6 54115900
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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APEX Fits: 3.1L V6 ACS3050
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ELRING Fits: 3.1L V6 698040
🇺🇸 US 🇨🇦 CA
with Crankshaft Seal
Fitment notes — ELRING 698040
with Crankshaft Seal
SedanCustomBody code: AH35
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ENGINE PRO Fits: 3.1L V6 379957
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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MAHLE / CLEVITE Fits: 3.1L V6 CS3793A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ULTRA-POWER Fits: 3.1L V6 CS9957
🇺🇸 US 🇨🇦 CA
SetMolded Rubber Oil Pan Gasket(s) Included
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VICTOR REINZ Fits: 3.1L V6 081005101
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.

Crankshaft

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 3.1L V6 128000
🇺🇸 US
Includes Connecting Rod Bearings & Crankshaft Main BearingsReman
Fitment notes — ENGINETECH 128000
Includes Connecting Rod Bearings & Crankshaft Main BearingsReman
Engines with Distributorless IgnitionShaft has reluctor ringForging # 981, 1X-148071, 17, 268Rod and Main Bearings Included
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This table covers the crankshafts that turn piston motion into rotation.

Crankshaft Main Bearing

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 BC412J
🇺🇸 US
Set
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MAHLE / CLEVITE Popular Fits: 3.1L V6 MS2273A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
A Series (Aluminum)Set
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ITM ENGINE COMPONENTS Fits: 3.1L V6 4M9242
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
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KING ENGINE BEARINGS Fits: 3.1L V6 MB4080SI
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
BI-Metal (aluminum silicon base)Set
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SEALED POWER Fits: 3.1L V6 6674M
🇺🇸 US 🇨🇦 CA
Main Bearing Set
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SEALED POWER Fits: 3.1L V6 7242MA
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetA-Series aluminum bearings
Fitment notes — SEALED POWER 7242MA
SetA-Series aluminum bearings
with 3/4 Grooves
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This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Crankshaft Repair Sleeve

Brand Part Number Markets Notes Buy
NATIONAL Popular Fits: 3.1L V6 99176
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front0.563 IN Width
Fitment notes — NATIONAL 99176
Front0.563 IN Width2.063 IN Outside Diameter
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TIMKEN Popular Fits: 3.1L V6 88176
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
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BCA Fits: 3.1L V6 NS99298
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
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ENGINETECH Fits: 3.1L V6 SS337
🇺🇸 US
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NATIONAL Fits: 3.1L V6 99298
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear0.563 IN Width
Fitment notes — NATIONAL 99298
Rear0.563 IN Width3.359 IN Outside Diameter
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SCHAEFFLER Fits: 3.1L V6 SR3546
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
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TIMKEN Fits: 3.1L V6 KWK99176
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Kwik-Sleeve
Fitment notes — TIMKEN KWK99176
Kwik-Sleeve
Front
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TIMKEN Fits: 3.1L V6 KWK99298
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Kwik-Sleeve
Fitment notes — TIMKEN KWK99298
Kwik-Sleeve
Rear
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WJB / INMOTION PARTS Fits: 3.1L V6 WS99176
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Installation Depth: 0.81299999999999994 InShaft Diameter Minimum (In): 1.7609999999999999 In
Fitment notes — WJB / INMOTION PARTS WS99176
Installation Depth: 0.81299999999999994 InShaft Diameter Minimum (In): 1.7609999999999999 InShaft Maximum Diameter (In): 1.7669999999999999 InFront
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WJB / INMOTION PARTS Fits: 3.1L V6 WS99298
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
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This table covers the sleeves used to restore a grooved crankshaft seal surface.

Crankshaft Repair Sleeve Tool

Brand Part Number Markets Notes Buy
FEL-PRO Fits: 3.1L V6 16304
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
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VICTOR REINZ Fits: 3.1L V6 711620500
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the Crankshaft Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes.

Crankshaft Seal

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 3.1L V6 BS40464
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber
Fitment notes — FEL-PRO BS40464
Rubber
Rear1 Piece11.0 (mm) Thick
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GM GENUINE Popular Fits: 3.1L V6 29621
🇺🇸 US 🇨🇦 CA
FrontTiming Gear Cover
Fitment notes — GM GENUINE 29621
FrontTiming Gear Cover61.57/61.37 mm O.D.
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NATIONAL Popular Fits: 3.1L V6 9845
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front0.375 IN Width
Fitment notes — NATIONAL 9845
Front0.375 IN Width2.416 IN Outside Diameter
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TIMKEN Popular Fits: 3.1L V6 9845
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
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WJB / INMOTION PARTS Popular Fits: 3.1L V6 WS9845
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Housing Bore: 2.4089999999999998 InInside Diameter: 1.7629999999999999 In
Fitment notes — WJB / INMOTION PARTS WS9845
Housing Bore: 2.4089999999999998 InInside Diameter: 1.7629999999999999 InThickness: 0.375 InFront
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APEX Fits: 3.1L V6 ABS315
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
REARRubber
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APEX Fits: 3.1L V6 ABS397
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearPTFE
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BCA Fits: 3.1L V6 NS9845
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front0.375 IN Width
Fitment notes — BCA NS9845
Front0.375 IN Width2.42 IN Outside Diameter
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BCA Fits: 3.1L V6 NS4307V
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Viton
Fitment notes — BCA NS4307V
Viton
Rear0.374 IN Width3.633 IN Outside Diameter
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BCA Fits: 3.1L V6 NS5273
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
PTFE Rubber
Fitment notes — BCA NS5273
PTFE Rubber
RearHeavy Duty
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ENGINETECH Fits: 3.1L V6 S5044
🇺🇸 US
Viton1 piece Offset Lip
Fitment notes — ENGINETECH S5044
Viton1 piece Offset Lip
Offset Lip
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FEL-PRO Fits: 3.1L V6 BS40625
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
PTFE RubberIncludes Sleeve
Fitment notes — FEL-PRO BS40625
PTFE RubberIncludes Sleeve
Rear1 Piece11.0 (mm) Thick
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GM GENUINE Fits: 3.1L V6 12592195
🇺🇸 US 🇨🇦 CA
Rear
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MAHLE / CLEVITE Fits: 3.1L V6 JV544
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RubberSet
Fitment notes — MAHLE / CLEVITE JV544
RubberSet
11mm WideRear
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MAHLE / CLEVITE Fits: 3.1L V6 JV1633
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
PTFE (Polytetrafluoroethylene)
Fitment notes — MAHLE / CLEVITE JV1633
PTFE (Polytetrafluoroethylene)
Rear
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NATIONAL Fits: 3.1L V6 4307V
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Viton
Fitment notes — NATIONAL 4307V
Viton
Rear0.374 IN Width3.633 IN Outside Diameter
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NATIONAL Fits: 3.1L V6 5273
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
PTFE Rubber
Fitment notes — NATIONAL 5273
PTFE Rubber
Rear0.385 IN Width3.637 IN Outside Diameter
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SCHAEFFLER Fits: 3.1L V6 SR3932
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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SKF Fits: 3.1L V6 29862
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
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TIMKEN Fits: 3.1L V6 4307V
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearStandard
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TIMKEN Fits: 3.1L V6 5273
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearHeavy Duty
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VICTOR REINZ Fits: 3.1L V6 191007101
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
PTFESet
Fitment notes — VICTOR REINZ 191007101
PTFESet
Rear11mm1 Piece
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VICTOR REINZ Fits: 3.1L V6 191013601
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetRubber
Fitment notes — VICTOR REINZ 191013601
SetRubber
Rear11mm1 Piece
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WJB / INMOTION PARTS Fits: 3.1L V6 WS4307V
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearViton Type
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This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Cylinder Head Alignment Dowel Pin

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.1L V6 14024244
🇺🇸 US 🇨🇦 CA
SPLIT,15X12.5,CHAM,STLDOWEL
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PIONEER Fits: 3.1L V6 PG651
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the Cylinder Head Alignment Dowel pins.

Cylinder Head Bolt

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 3.1L V6 ES74019
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
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AJUSA Fits: 3.1L V6 81051400
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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APEX Fits: 3.1L V6 AHB350A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
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GM GENUINE Fits: 3.1L V6 11518953
🇺🇸 US 🇨🇦 CA
M11X1.5X108
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MAHLE / CLEVITE Fits: 3.1L V6 GS33398
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Steel
Fitment notes — MAHLE / CLEVITE GS33398
Steel
Requires 1 Set
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This table covers the bolts that clamp the cylinder head to the block.

Cylinder Head Gasket

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 HC189A
🇺🇸 US
Engine VIN code J,M
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FEL-PRO Popular Fits: 3.1L V6 9957PT
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Permatorque
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FEL-PRO Popular Fits: 3.1L V6 511SD
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Permatorque Severe Duty
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APEX Fits: 3.1L V6 AHG350
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ELRING Fits: 3.1L V6 835030
🇺🇸 US 🇨🇦 CA
SedanCustom
Fitment notes — ELRING 835030
SedanCustomBody code: AH35
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ELRING Fits: 3.1L V6 687570
🇺🇸 US 🇨🇦 CA
Material: Fiber Composite
Fitment notes — ELRING 687570
Material: Fiber Composite
SedanCustomBody code: AH35
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GM GENUINE Fits: 3.1L V6 12590863
🇺🇸 US 🇨🇦 CA
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MAGNUM Fits: 3.1L V6 HG10004
🇺🇸 US 🇨🇦 CA
Max Print
Fitment notes — MAGNUM HG10004
Max Print
Material: Composition with sealing beads and silicone coatingHead bolt replacement recommended
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MAHLE / CLEVITE Fits: 3.1L V6 54059
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Graphite
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VICTOR REINZ Fits: 3.1L V6 611035600
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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VICTOR REINZ Fits: 3.1L V6 611061000
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Severe Duty
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This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Cylinder Head Gasket Set

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 C189HSB
🇺🇸 US
Engine VIN code Mwith 1st design intake gasket For heads with ball & pivot rockers
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FEL-PRO Popular Fits: 3.1L V6 HS9957PT
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals
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FEL-PRO Popular Fits: 3.1L V6 HST9957PT2
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Permatorque Severe Duty Head Gasket(s)Includes Permadry Molded Rubber Valve Cover Gasket(s), Permadryplus Intake Manifold Gaskets, Valve Stem Seals
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APEX Fits: 3.1L V6 AHS3050
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ELRING Fits: 3.1L V6 687380
🇺🇸 US 🇨🇦 CA
Includes Valve Stem Sealswithout Intake Manifold Gasket(S)
Fitment notes — ELRING 687380
Includes Valve Stem Sealswithout Intake Manifold Gasket(S)
SedanCustomBody code: AH35
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ENGINE PRO Fits: 3.1L V6 369957PT
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Ball & Pivot Rocker Armswithout Push Rod Guides On Intake Gaskets
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ENGINETECH Fits: 3.1L V6 C189HSD
🇺🇸 US
Intake gaskets Not Included
Fitment notes — ENGINETECH C189HSD
Intake gaskets Not Included
Engine VIN code T,W
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ENGINETECH Fits: 3.1L V6 C189HSBWB
🇺🇸 US
Includes Head Bolts
Fitment notes — ENGINETECH C189HSBWB
Includes Head Bolts
FrontEngine VIN code Mwith 1st design intake gasket For heads with ball & pivot rockers
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ENGINETECH Fits: 3.1L V6 C189HSDWB
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Head BoltsIntake gaskets Not Included
Fitment notes — ENGINETECH C189HSDWB
Includes Head BoltsIntake gaskets Not Included
Engine VIN code T,W
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FEL-PRO Fits: 3.1L V6 HIS9957PT
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Installation Set For Fully Assembled HeadsIncludes Perma Dry Molded Rubber Valve Cover Gasket(s)
Fitment notes — FEL-PRO HIS9957PT
Installation Set For Fully Assembled HeadsIncludes Perma Dry Molded Rubber Valve Cover Gasket(s)Does Not Include Valve Stem Seals or Camshaft Seals
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MAHLE / CLEVITE Fits: 3.1L V6 HS54059
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Contains Premium Grade Intake Manifold GasketsIncludes Valve Stem Seals
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VICTOR REINZ Fits: 3.1L V6 021039101
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Contains RTV
Fitment notes — VICTOR REINZ 021039101
Contains RTV
Includes Valve Stem Seals1st Design without Push Rod Guides on Intake Gasketwith Ball and Pivot Rocker Arms
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VICTOR REINZ Fits: 3.1L V6 021061201
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Improved DesignIncludes Premium Head Gaskets
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This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.

Cylinder Head Spacer Shim

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 3.1L V6 CHS1011
🇺🇸 US
Iron or Aluminum Heads0.020" Thick
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SBI Fits: 3.1L V6 2302025
🇺🇸 US 🇨🇦 CA
New Height - 3.5850 - 3.5950MIN HGT. - 3.575
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This table covers the Cylinder Head Spacer shims.

Cylinder Repair Sleeve

Brand Part Number Markets Notes Buy
MELLING Fits: 3.1L V6 CSL141
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
3/32 IN Wall Thickness
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MELLING Fits: 3.1L V6 CSL241
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
1/8 IN Wall Thickness
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This table covers the wear sleeves used to restore a Cylinder seal surface.

Engine Block Heater

Brand Part Number Markets Notes Buy
KAT'S HEATERS Fits: 3.1L V6 11415
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Freeze Plug Heater
Fitment notes — KAT'S HEATERS 11415
Freeze Plug Heater
Threaded Electrical Plug End34mm400 WattsEasiest Mounting Location: Rear CenterElement Must Face 9 Oclock Position To Avoid Contact with Engine Wall
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This table covers the block heaters that warm the coolant or oil in cold weather.

Engine Kit Gasket Set

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 C3164
🇺🇸 US
Engine VIN code Mwith 1st design intake gaskets For heads with ball/pivot rockers
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AJUSA Fits: 3.1L V6 50247600
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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APEX Fits: 3.1L V6 AFS3050
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ENGINE PRO Fits: 3.1L V6 301746
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ENGINETECH Fits: 3.1L V6 C189K1
🇺🇸 US
Engine VIN code T,WIntake gaskets Not included
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This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.

Engine Rebuild Kit

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 RCC189E
🇺🇸 US
Recon KitEconomy
Fitment notes — ENGINETECH RCC189E
Recon KitEconomy
Engine VIN code Mfor '95 with Roller Rockers ADD (1) IC189
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Size: 0.25MM Undersize0.75MM Undersize1.00MM Undersize Standard 0.25MM Undersize0.75MM Undersize1.00MM Undersize StandardIntentionally blank Intentionally blank Choose
ENGINETECH P3025 [Piston] HypereutecticRecessed Head .269" deep x 2.868"Coated Skirt
Choose Size: 0.50MM Oversize0.75MM Oversize1.00MM Oversize1.50MM Oversize 0.50MM Oversize0.75MM Oversize1.00MM Oversize1.50MM Oversize Intentionally blank Intentionally blank Choose
ENGINETECH R89166 [Piston Ring] CastSet
Choose Size: 0.75MM Oversize1.00MM Oversize1.50MM Oversize Standard 0.75MM Oversize1.00MM Oversize1.50MM Oversize StandardIntentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize Standard 0.50MM Undersize0.75MM Undersize StandardIntentionally blank Intentionally blank Choose (Only
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ENGINETECH Fits: 3.1L V6 RCC189EP
🇺🇸 US
Recon KitPremium
Fitment notes — ENGINETECH RCC189EP
Recon KitPremium
Engine VIN code Mfor '95 with Roller Rockers ADD (1) IC189
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Size: 0.25MM Undersize0.75MM Undersize1.00MM Undersize Standard 0.25MM Undersize0.75MM Undersize1.00MM Undersize StandardIntentionally blank Intentionally blank Choose
ENGINETECH M89166 [Piston Ring] Ductile TopPremiumSetMoly Coated
Choose Size: 0.50MM Oversize0.75MM Oversize1.00MM Oversize Standard 0.50MM Oversize0.75MM Oversize1.00MM Oversize StandardIntentionally blank Intentionally blank Choose
ENGINETECH P3025 [Piston] HypereutecticRecessed Head .269" deep x 2.868"Coated Skirt
Choose Size: 0.50MM Oversize0.75MM Oversize1.00MM Oversize1.50MM Oversize 0.50MM Oversize0.75MM Oversize1.00MM Oversize1.50MM Oversize Intentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize Standard 0.50MM Undersize0.75MM Undersize StandardIntentionally blankIn
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ENGINETECH Fits: 3.1L V6 MKC189E
🇺🇸 US
Master Rebuild KitEconomy
Fitment notes — ENGINETECH MKC189E
Master Rebuild KitEconomy
Engine VIN code Mfor '95 with Roller Rockers ADD (1) IC189
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Size: 0.25MM Undersize0.75MM Undersize1.00MM Undersize Standard 0.25MM Undersize0.75MM Undersize1.00MM Undersize StandardIntentionally blank Intentionally blank Choose
ENGINETECH P3025 [Piston] HypereutecticRecessed Head .269" deep x 2.868"Coated Skirt
Choose Size: 0.50MM Oversize0.75MM Oversize1.00MM Oversize1.50MM Oversize 0.50MM Oversize0.75MM Oversize1.00MM Oversize1.50MM Oversize Intentionally blank Intentionally blank Choose
ENGINETECH R89166 [Piston Ring] CastSet
Choose Size: 0.75MM Oversize1.00MM Oversize1.50MM Oversize Standard 0.75MM Oversize1.00MM Oversize1.50MM Oversize StandardIntentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize Standard 0.50MM Undersize0.75MM Undersize StandardIntentionally blank Intentionally blank Cho
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ENGINETECH Fits: 3.1L V6 MKC189EP
🇺🇸 US
Master Rebuild KitPremium
Fitment notes — ENGINETECH MKC189EP
Master Rebuild KitPremium
Engine VIN code Mfor '95 with Roller Rockers ADD (1) IC189
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Size: 0.25MM Undersize0.75MM Undersize1.00MM Undersize Standard 0.25MM Undersize0.75MM Undersize1.00MM Undersize StandardIntentionally blank Intentionally blank Choose
ENGINETECH M89166 [Piston Ring] Ductile TopPremiumSetMoly Coated
Choose Size: 0.50MM Oversize0.75MM Oversize1.00MM Oversize Standard 0.50MM Oversize0.75MM Oversize1.00MM Oversize StandardIntentionally blank Intentionally blank Choose
ENGINETECH P3025 [Piston] HypereutecticRecessed Head .269" deep x 2.868"Coated Skirt
Choose Size: 0.50MM Oversize0.75MM Oversize1.00MM Oversize1.50MM Oversize 0.50MM Oversize0.75MM Oversize1.00MM Oversize1.50MM Oversize Intentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize Standard 0.50MM Undersize0.75MM Undersize StandardIntentionall
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ENGINETECH Fits: 3.1L V6 MKC189D
🇺🇸 US
Master Rebuild KitEconomy
Fitment notes — ENGINETECH MKC189D
Master Rebuild KitEconomy
aluminumHead3/4" Oil Pump HoleEX Engine VIN code M
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Intentionally blank Intentionally blank Choose
ENGINETECH P1584 [Piston] Coated SkirtRecessed Head .265" deepHypereutectic
Choose Intentionally blank Intentionally blank Choose
ENGINETECH R89166 [Piston Ring] CastSet
Choose Intentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Intentionally blank Intentionally blank Choose
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ENGINETECH Fits: 3.1L V6 MKC189DP
🇺🇸 US
Master Rebuild KitPremium
Fitment notes — ENGINETECH MKC189DP
Master Rebuild KitPremium
aluminumHead3/4" Oil Pump HoleEX Engine VIN code M
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Intentionally blank Intentionally blank Choose
ENGINETECH M89166 [Piston Ring] Ductile TopPremiumSetMoly Coated
Choose Intentionally blank Intentionally blank Choose
ENGINETECH P1584 [Piston] Coated SkirtRecessed Head .265" deepHypereutectic
Choose Intentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Intentionally blank Intentionally blank Choose
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ENGINETECH Fits: 3.1L V6 RCC189D
🇺🇸 US
Recon KitEconomy
Fitment notes — ENGINETECH RCC189D
Recon KitEconomy
Aluminum Head3/4 Oil Pump Hole
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Intentionally blank Intentionally blank Choose
ENGINETECH P1584 [Piston] Coated SkirtRecessed Head .265" deepHypereutectic
Choose Intentionally blank Intentionally blank Choose
ENGINETECH R89166 [Piston Ring] CastSet
Choose Intentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Intentionally blank Intentionally blank Choose
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ENGINETECH Fits: 3.1L V6 RCC189DP
🇺🇸 US
Recon KitPremium
Fitment notes — ENGINETECH RCC189DP
Recon KitPremium
Aluminum Head3/4 Oil Pump Hole
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Intentionally blank Intentionally blank Choose
ENGINETECH M89166 [Piston Ring] Ductile TopPremiumSetMoly Coated
Choose Intentionally blank Intentionally blank Choose
ENGINETECH P1584 [Piston] Coated SkirtRecessed Head .265" deepHypereutectic
Choose Intentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Intentionally blank Intentionally blank Choose
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This table covers the Engine rebuild kits.

Exhaust Valve

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 V2143
🇺🇸 US
Engine VIN code T,W.3136 stem
Fitment notes — ENGINETECH V2143
Engine VIN code T,W.3136 stem1.425" HeadEngines with Aluminum Cylinder Heads
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MELLING Popular Fits: 3.1L V6 V1811
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ENGINETECH Fits: 3.1L V6 V2141
🇺🇸 US
Engine VIN code T.3412 stem
Fitment notes — ENGINETECH V2141
Engine VIN code T.3412 stem1.421" HeadEngines with Cast Iron Cylinder Heads
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ENGINETECH Fits: 3.1L V6 V3543
🇺🇸 US
Engine VIN code M.3130 stem
Fitment notes — ENGINETECH V3543
Engine VIN code M.3130 stem1.425" Head
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QUALCAST Fits: 3.1L V6 101811
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
1.425 Head Diameter. 0.313 Stem Diameter. 0.189 Tip to Groove
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SBI Fits: 3.1L V6 01811
🇺🇸 US 🇨🇦 CA
with .3132 Stem Diameter.
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This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.

Expansion Plug

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 PK71
🇺🇸 US
Steel
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MELLING Popular Fits: 3.1L V6 MPE176BR
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
BrassDiameter 41.65mm and 16.0mm
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ENGINETECH Fits: 3.1L V6 PK71B
🇺🇸 US
Brass
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MELLING Fits: 3.1L V6 MPE176R
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Steel
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PIONEER Fits: 3.1L V6 PE276
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Steel
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PIONEER Fits: 3.1L V6 PE176BR
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Brass or Steel
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PIONEER Fits: 3.1L V6 PE176B
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Brass
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QUALCAST Fits: 3.1L V6 97128
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Steel
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QUALCAST Fits: 3.1L V6 97128B
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Brass
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This table covers the Expansion plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.

Harmonic Balancer

Economy

Brand Part Number Markets Notes Buy
SKP Fits: 3.1L V6 SK594148
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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Standard Replacement

Brand Part Number Markets Notes Buy
AUTOTECNICA Popular Fits: 3.1L V6 CE1413074
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Pulley Only
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DORMAN Popular Fits: 3.1L V6 594148
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Balancer/Pulley Assembly
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ATP Fits: 3.1L V6 102065
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Serpentine
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DAYCO Fits: 3.1L V6 PB1489N
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Premium
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GM GENUINE Fits: 3.1L V6 19420423
🇺🇸 US 🇨🇦 CA
Single BeltIncludes Exciter Ring
Fitment notes — GM GENUINE 19420423
Single BeltIncludes Exciter Ring159.3mm O.D.
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PIONEER Fits: 3.1L V6 DA1893
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Groove Quantity 6Serpentine
Fitment notes — PIONEER DA1893
Groove Quantity 6SerpentineOuter Diameter: 6.09 In
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This table covers the crankshaft pulleys / harmonic balancers at the front of the engine.

Harmonic Balancer Repair Sleeve

Brand Part Number Markets Notes Buy
NATIONAL Popular Fits: 3.1L V6 88176
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Except flange tear line
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BCA Fits: 3.1L V6 NS5000
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ENGINETECH Fits: 3.1L V6 HS228
🇺🇸 US
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NATIONAL Fits: 3.1L V6 5000
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
KitNitrile
Fitment notes — NATIONAL 5000
KitNitrile
Except flange tear line
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WJB / INMOTION PARTS Fits: 3.1L V6 WS88176
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Material: Nickel Plated Formed Steel
Fitment notes — WJB / INMOTION PARTS WS88176
Material: Nickel Plated Formed Steel
without flange tear line
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This table covers the wear sleeves used to restore a Harmonic Balancer seal surface.

Intake Manifold Bolt

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 3.1L V6 ES72225
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Lowerwith 13 (mm) Corner Bolt(s)
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FEL-PRO Popular Fits: 3.1L V6 ES72226
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LowerAftermarket Design
Fitment notes — FEL-PRO ES72226
LowerAftermarket DesignServices Both 1st Design 13 (mm) Corner Bolts and 2nd Design 10 (mm) Corner Bolts
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APEX Fits: 3.1L V6 AES310
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Lower
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DORMAN Fits: 3.1L V6 03426
🇺🇸 US 🇨🇦 CA
4 speed trans.Use RTV Sealant On Threads As These Bolts Pass Into A Coolant Passage
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MAHLE / CLEVITE Fits: 3.1L V6 GS33420
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes WashersSteel
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VICTOR REINZ Fits: 3.1L V6 161000001
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits Lowerwith 10mm Bolts
Fitment notes — VICTOR REINZ 161000001
Fits:
Lowerwith 10mm Bolts
or:
Lowerwith 13mm Corner Bolt(s)
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This table covers the Intake Manifold bolts.

Intake Manifold Gasket

Premium

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 3.1L V6 MS98004T
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetIncludes Perma DryPlus Intake Manifold Gaskets
Fitment notes — FEL-PRO MS98004T
SetIncludes Perma DryPlus Intake Manifold GasketsIncludes Valve Cover Gaskets
Lower and Upper
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VICTOR REINZ Fits: 3.1L V6 111056001
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Max Dry STL®Set
Fitment notes — VICTOR REINZ 111056001
Max Dry STL®SetImproved Design
Manifold bolt replacement recommended
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Standard Replacement

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 3.1L V6 MS95536
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — FEL-PRO MS95536
Set
Lower and Upper
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MAHLE / CLEVITE Popular Fits: 3.1L V6 MIS16166
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Contains Premium Grade Intake Manifold GasketsMolded Rubber
Fitment notes — MAHLE / CLEVITE MIS16166
Contains Premium Grade Intake Manifold GasketsMolded RubberMaster Set Includes Intake and Valve Cover Gaskets Plus All Miscellaneous Gaskets and Seals
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APEX Fits: 3.1L V6 AMS3502
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — APEX AMS3502
Set
Lower and Upper
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APEX Fits: 3.1L V6 AMS3512P
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — APEX AMS3512P
Set
Lower and UpperImproved Designwith Valve Cover Gaskets
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ENGINETECH Fits: 3.1L V6 IC189D
🇺🇸 US
Engine VIN code MIncludes Plenum
Fitment notes — ENGINETECH IC189D
Engine VIN code MIncludes PlenumHeavy Duty Design
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ENGINETECH Fits: 3.1L V6 IC189C2
🇺🇸 US
Contains (2) lower gaskets only
Fitment notes — ENGINETECH IC189C2
Contains (2) lower gaskets only
Engine VIN code MHeavy Duty Design
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ENGINETECH Fits: 3.1L V6 IC189B
🇺🇸 US
Engine VIN code T,WIncludes Plenum
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MAHLE / CLEVITE Fits: 3.1L V6 MS16166P
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
includes Premium Grade Intake Manifold Gaskets, Plenum GasketSet
Fitment notes — MAHLE / CLEVITE MS16166P
includes Premium Grade Intake Manifold Gaskets, Plenum GasketSetMolded Rubber
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MAHLE / CLEVITE Fits: 3.1L V6 MS16166
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetMolded Rubber
Fitment notes — MAHLE / CLEVITE MS16166
SetMolded RubberIncludes Plenum Gasket
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SKP Fits: 3.1L V6 SKT98150
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — SKP SKT98150
Set
Lowerwith Ball and Stud Type Rocker Arms
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VICTOR REINZ Fits: 3.1L V6 111021301
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — VICTOR REINZ 111021301
Set
Manifold bolt replacement recommended
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This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Intake Plenum Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 3.1L V6 MS91481
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Upper
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APEX Fits: 3.1L V6 AMS3500
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Upper
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GM GENUINE Fits: 3.1L V6 12480824
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — GM GENUINE 12480824
Set
Upper
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MAHLE / CLEVITE Fits: 3.1L V6 MS16157
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Paper
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VICTOR REINZ Fits: 3.1L V6 151028201
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Improved DesignSet
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This table covers the gaskets that seal the Intake Plenum. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Intake Valve

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 V3532
🇺🇸 US
Engine VIN code M.3139 stem
Fitment notes — ENGINETECH V3532
Engine VIN code M.3139 stem1.718" Head
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ENGINETECH Fits: 3.1L V6 V2140
🇺🇸 US
Engine VIN code T.3139 stem
Fitment notes — ENGINETECH V2140
Engine VIN code T.3139 stem1.718" HeadEngines with Aluminum Cylinder Heads
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ENGINETECH Fits: 3.1L V6 V2138
🇺🇸 US
Engine VIN code T.3413" stem
Fitment notes — ENGINETECH V2138
Engine VIN code T.3413" stem1.718" HeadEngines with Cast Iron Cylinder Heads
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QUALCAST Fits: 3.1L V6 101810
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
1.718 Head Dia. 0.313 Stem Dia. 0.184 Tip To Groove.
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SBI Fits: 3.1L V6 01810
🇺🇸 US 🇨🇦 CA
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This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.

Motor Mount

Brand Part Number Markets Notes Buy
ANCHOR Popular Fits: 3.1L V6 2548
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Right LowerHYDRAULIC
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DEA / MARMON RIDE CONTROL Fits: 3.1L V6 A2548HY
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right
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PIONEER Fits: 3.1L V6 602548
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front RightSolid Mount
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PIONEER Fits: 3.1L V6 612548
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front RightHydraulic Mount
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WESTAR Fits: 3.1L V6 EM2548
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
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This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.

Motor Mount Bracket Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.1L V6 11516328
🇺🇸 US 🇨🇦 CA
M10X1.5X30Hex Flange Head
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GM GENUINE Fits: 3.1L V6 11588749
🇺🇸 US 🇨🇦 CA
To CRDL Bracket ThruM10X1.5X85
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GM GENUINE Fits: 3.1L V6 11516918
🇺🇸 US 🇨🇦 CA
To Cylinder HeadUse with 89021297 ADH
Fitment notes — GM GENUINE 11516918
To Cylinder HeadUse with 89021297 ADHM10X1.5X30,25 Thread20 OD,10.9
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This table covers the Motor Mount Bracket bolts.

Motor Mount Kit

Brand Part Number Markets Notes Buy
ANCHOR Fits: 3.1L V6 301125
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the Motor Mount kits.

O-Ring

Brand Part Number Markets Notes Buy
VICTOR REINZ Fits: 3.1L V6 411041900
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Replaces OE Part Number(s) 2194446, 2312204, 3689940, 5176434, 5183763, 6760723, 9140420, 10477565
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This table covers the O-rings that seal this joint. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.

Oil

Summary: Notes list SAE 5W-30, SAE 5W-40 and SAE 10W-30. Confirm the engine and the weight on the filler cap before you buy. Replacement brands in this table include VALVOLINE, MOBIL and LIQUI MOLY.

Conventional

Brand Part Number Markets Notes Buy
VALVOLINE Fits: 3.1L V6 797578
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Daily Protection SAE 10W-30 Conventional1 Quart
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VALVOLINE Fits: 3.1L V6 881156
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Daily Protection SAE 10W-30 ConventionalEasy Pour 5 Quart
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Full Synthetic

Brand Part Number Markets Notes Buy
LIQUI MOLY Popular Fits: 3.1L V6 20228
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molygen New Generation 5W-305 Liter
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MOBIL Popular Fits: 3.1L V6 125195
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic 5W-30Mobil Full Synthetic
Fitment notes — MOBIL 125195
Full Synthetic 5W-30Mobil Full SyntheticSAE 5W-301 Quart
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MOBIL Popular Fits: 3.1L V6 124315
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
5W-30Mobil 1 Advanced
Fitment notes — MOBIL 124315
5W-30Mobil 1 AdvancedFull SyntheticSAE 5W-301 Quart
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LIQUI MOLY Fits: 3.1L V6 20136
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Special Tec AA 5W-301 Liter
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LIQUI MOLY Fits: 3.1L V6 20226
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molygen New Generation 5W-301 Liter
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LIQUI MOLY Fits: 3.1L V6 2331
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Leichtlauf High Tech 5W-401 Liter
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LIQUI MOLY Fits: 3.1L V6 20138
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Special Tec AA 5W-305 Liter
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LIQUI MOLY Fits: 3.1L V6 2332
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Leichtlauf High Tech 5W-405 Liter
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LIQUI MOLY Fits: 3.1L V6 20122
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Leichtlauf High Tech 5W-4020 Liter
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MOBIL Fits: 3.1L V6 122319
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
10W-30Mobil 1 Advanced
Fitment notes — MOBIL 122319
10W-30Mobil 1 AdvancedFull SyntheticSAE 10W-301 Quart
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MOBIL Fits: 3.1L V6 102990
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Performance 10W-30Mobil 1 Extended Performance
Fitment notes — MOBIL 102990
Extended Performance 10W-30Mobil 1 Extended PerformanceFull SyntheticSAE 10W-301 Quart
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MOBIL Fits: 3.1L V6 112627
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Performance 5W-30Mobil 1 Extended Performance
Fitment notes — MOBIL 112627
Extended Performance 5W-30Mobil 1 Extended PerformanceFull SyntheticSAE 5W-301 Quart
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VALVOLINE Fits: 3.1L V6 VV935
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 10W-301 Quart
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VALVOLINE Fits: 3.1L V6 VV955
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Protection Full Synthetic SAE 5W-301 Quart
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VALVOLINE Fits: 3.1L V6 891678
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Protection Full Synthetic SAE 5W-301 Quart
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VALVOLINE Fits: 3.1L V6 904564
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Restore & Protect Full Synthetic SAE 5W-301 Quart
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VALVOLINE Fits: 3.1L V6 891670
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Protection Full Synthetic SAE 5W-30Easy Pour 5 Quart
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VALVOLINE Fits: 3.1L V6 904566
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Restore & Protect Full Synthetic SAE 5W-305 Quart
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VALVOLINE Fits: 3.1L V6 881167
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
European Vehicle Full Synthetic XL-III SAE 5W-30Easy Pour 5 Quart
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VALVOLINE Fits: 3.1L V6 881164
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Protection Full Synthetic SAE 5W-30Easy Pour 5 Quart
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VALVOLINE Fits: 3.1L V6 881165
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 10W-30Easy Pour 5 Quart
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High Mileage (>75,000 Miles)

Brand Part Number Markets Notes Buy
VALVOLINE Popular Fits: 3.1L V6 VV1556
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Max Life High Mileage Synthetic Blend SAE 5W-301 Quart
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MOBIL Fits: 3.1L V6 125201
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic High Mileage 5W-301 Quart
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MOBIL Fits: 3.1L V6 123842
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Performance High Mileage 5W-30Synthetic
Fitment notes — MOBIL 123842
Extended Performance High Mileage 5W-30Synthetic1 Quart
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MOBIL Fits: 3.1L V6 103535
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Mileage 10W-30Mobil 1 High Mileage
Fitment notes — MOBIL 103535
High Mileage 10W-30Mobil 1 High MileageFull SyntheticSAE 10W-301 Quart
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MOBIL Fits: 3.1L V6 103767
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Mileage 5W-30Mobil 1 High Mileage
Fitment notes — MOBIL 103767
High Mileage 5W-30Mobil 1 High MileageFull SyntheticSAE 5W-301 Quart
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VALVOLINE Fits: 3.1L V6 797976
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Max Life High Mileage Synthetic Blend SAE 10W-301 Quart
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VALVOLINE Fits: 3.1L V6 VV179
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic High Mileage with Max Life Technology SAE 5W-301 Quart
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VALVOLINE Fits: 3.1L V6 VV180
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic High Mileage with Max Life Technology SAE 10W-301 Quart
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VALVOLINE Fits: 3.1L V6 881163
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Max Life High Mileage Synthetic Blend SAE 5W-30Easy Pour 5 Quart
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VALVOLINE Fits: 3.1L V6 881161
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Mileage with Max Life Technology Synthetic Blend SAE 10W-30Easy Pour 5 Quart
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VALVOLINE Fits: 3.1L V6 881170
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic High Mileage with Max Life Technology SAE 10W-30Easy Pour 5 Quart
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VALVOLINE Fits: 3.1L V6 881169
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic High Mileage with Max Life Technology SAE 5W-30Easy Pour 5 Quart
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Racing

Brand Part Number Markets Notes Buy
IDEMITSU Fits: 3.1L V6 30018100750
🇺🇸 US
10W30 Rotary Racing Oil1 Quart
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Synthetic Blend

Brand Part Number Markets Notes Buy
MOBIL Popular Fits: 3.1L V6 124406
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Super 10W-30Mobil Super
Fitment notes — MOBIL 124406
Super 10W-30Mobil SuperSynthetic BlendSAE 10W-305 Quart
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MOBIL Popular Fits: 3.1L V6 124407
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Super 5W-30Mobil Super
Fitment notes — MOBIL 124407
Super 5W-30Mobil SuperSynthetic BlendSAE 5W-305 Quart
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VALVOLINE Fits: 3.1L V6 797975
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Daily Protection SAE 5W-30 Synthetic Blend1 Quart
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VALVOLINE Fits: 3.1L V6 881159
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Daily Protection SAE 5W-30 Synthetic BlendEasy Pour 5 Quart
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This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.

Oil Cooler Mounting Kit

Brand Part Number Markets Notes Buy
HAYDEN Fits: 3.1L V6 238
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber Block Mounting Kit for Heavy Duty Oil Cooler
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HAYDEN Fits: 3.1L V6 153
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Metal Mounting Bracket Kit for Heavy Duty Oil Cooler
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This table covers the Oil Cooler Mounting kits.

Oil Dipstick / Tube

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.1L V6 917380
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Dipstick Only
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DORMAN Fits: 3.1L V6 917385
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Tube Only
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This table covers the Oil Dipstick tubes.

Oil Dipstick / Tube Seal

Brand Part Number Markets Notes Buy
ELRING Fits: 3.1L V6 584210
🇺🇸 US 🇨🇦 CA
Inner Diameter [MM]: 6,07
Fitment notes — ELRING 584210
Inner Diameter [MM]: 6,07
SedanCustomBody code: AH35
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FEL-PRO Fits: 3.1L V6 73889
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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GM GENUINE Fits: 3.1L V6 24504031
🇺🇸 US 🇨🇦 CA
6.07 ID1.78 Diameter
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This table covers the seals at the Oil Dipstick / Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Oil Drain Plug

Oversize

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.1L V6 65213
🇺🇸 US 🇨🇦 CA
M12-1.75,SINGLE OVERSIZE
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Twist Drain

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.1L V6 092018
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Thread Size: M12-1.75Twist Style
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Brand Part Number Markets Notes Buy
AGS Popular Fits: 3.1L V6 ODP00009
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
M12x1.75
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DORMAN Popular Fits: 3.1L V6 090034
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
M12 x 1.75 Thread
Fitment notes — DORMAN 090034
M12 x 1.75 Thread
1.06" Length
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GM GENUINE Popular Fits: 3.1L V6 11562588
🇺🇸 US 🇨🇦 CA
with SealExc. Magnet
Fitment notes — GM GENUINE 11562588
with SealExc. Magnetwith Hex HeadM12X1.75X25
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DORMAN Fits: 3.1L V6 090079
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
M12 x 1.75 ThreadPilot Point
Fitment notes — DORMAN 090079
M12 x 1.75 ThreadPilot PointInset GasketM12-1.75Head Size 15MM
1.0" Length
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DORMAN Fits: 3.1L V6 090179
🇺🇸 US 🇨🇦 CA
Universal1/2 In.
Fitment notes — DORMAN 090179
Universal1/2 In.
M12-1.75Rubber
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DORMAN Fits: 3.1L V6 090050
🇺🇸 US 🇨🇦 CA
Magnetic Oil Drain PlugM12-1.75
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ELRING Fits: 3.1L V6 823400
🇺🇸 US 🇨🇦 CA
with Seal RingBolt Head-/Nut Design: Male Hex
Fitment notes — ELRING 823400
with Seal RingBolt Head-/Nut Design: Male HexThread Size: M12X1,75x17
SedanCustomBody code: AH35
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ENGINETECH Fits: 3.1L V6 DP7825
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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NEEDA Fits: 3.1L V6 6730861
🇺🇸 US 🇨🇦 CA
Inset Gasket Wide FlangeM12-1.75
Fitment notes — NEEDA 6730861
Inset Gasket Wide FlangeM12-1.75Pilot Point
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This table covers the drain plugs in the oil pan.

Oil Drain Plug Gasket

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 3.1L V6 097119
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber Gasket
Fitment notes — DORMAN 097119
Rubber Gasket
M12 Drain Plug
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FEL-PRO Popular Fits: 3.1L V6 70820
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber
Fitment notes — FEL-PRO 70820
Rubber
Dished Washer0.410 (in) Inside Diameter x 0.820 (in) Outside Diameter
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DORMAN Fits: 3.1L V6 097116
🇺🇸 US 🇨🇦 CA
Includes 25 Nylon RIB Gaskets
Fitment notes — DORMAN 097116
Includes 25 Nylon RIB Gaskets
M12-1.75
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DORMAN Fits: 3.1L V6 97119
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber GasketRubber
Fitment notes — DORMAN 97119
Rubber GasketRubberSizeM12, 7/16"Inside Dia: 0.448"/11.38mmOutside Dia.: 0.811"/20.60mmThickness: 0.102"/2.59mm
Fits:
M12 Drain Plug
or:
Inside Diameter (In): 0.448Outside Diameter (In): 0.811
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ELRING Fits: 3.1L V6 056130
🇺🇸 US 🇨🇦 CA
Material: FPM (fluoride rubber)Outer Diameter [MM]: 20,8
Fitment notes — ELRING 056130
Material: FPM (fluoride rubber)Outer Diameter [MM]: 20,8Shape: O-Ring
SedanCustomBody code: AH35
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GM GENUINE Fits: 3.1L V6 03536966
🇺🇸 US 🇨🇦 CA
Priced Individually
Fitment notes — GM GENUINE 03536966
Priced Individually
20.74MM OD
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MAHLE / CLEVITE Fits: 3.1L V6 B45828
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molded Rubber
Fitment notes — MAHLE / CLEVITE B45828
Molded Rubber
with .42 IN I.D., with Metric Thread
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ULTRA-POWER Fits: 3.1L V6 097119
🇺🇸 US 🇨🇦 CA
ID: 0.448"RUBBER GASKET
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ÜRO PARTS Fits: 3.1L V6 3536966
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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VICTOR REINZ Fits: 3.1L V6 711351300
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
0.4150 IN Inside Diameter
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This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Oil Filler Cap

Brand Part Number Markets Notes Buy
MOTORAD Popular Fits: 3.1L V6 MO99
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ACDELCO Fits: 3.1L V6 FC219
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO FC219
GM Original Equipment
4 speed Automatic trans.SAE 5W30, Vented, with Seal
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DORMAN Fits: 3.1L V6 80987
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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GATES Fits: 3.1L V6 31103
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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SKP Fits: 3.1L V6 SKMO99
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Plastic cap
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This table covers the caps on the oil filler neck.

Oil Filler Cap Gasket

Brand Part Number Markets Notes Buy
ELRING Fits: 3.1L V6 592250
🇺🇸 US 🇨🇦 CA
SealMaterial: AEM (Ethylene Acrylate Rubber)
Fitment notes — ELRING 592250
SealMaterial: AEM (Ethylene Acrylate Rubber)
SedanCustomBody code: AH35
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ELRING Fits: 3.1L V6 823620
🇺🇸 US 🇨🇦 CA
SealMaterial: HNBR (hydrogenated nitrile butadiene rubber)
Fitment notes — ELRING 823620
SealMaterial: HNBR (hydrogenated nitrile butadiene rubber)
SedanCustomBody code: AH35
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FEL-PRO Fits: 3.1L V6 73193
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Services OEM bonded Cap sealAftermarket Design
Fitment notes — FEL-PRO 73193
Services OEM bonded Cap sealAftermarket Design28 (mm) Inside DiameterSeal
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GM GENUINE Fits: 3.1L V6 24100002
🇺🇸 US 🇨🇦 CA
Size # 32027.94MM Inner Diameter
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This table covers the gaskets that seal the Oil Filler Cap. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Oil Filter

Economy

Brand Part Number Markets Notes Buy
BOSCH Popular Fits: 3.1L V6 72132WS
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Workshop Oil FilterConnection Size: M18X1.5
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CHAMP / LUBER-FINER Popular Fits: 3.1L V6 PH47
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Inside Diameter: M18 X 1.5 Thread.Spin-On Filter.
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FRAM Fits: 3.1L V6 FE3387A
🇺🇸 US 🇨🇦 CA
Spin-OnTough Guard or Synthetic Endurance
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FVP Fits: 3.1L V6 R1040
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Media Material: Synthetic BlendSpin-On Filter
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PRO-TEC Fits: 3.1L V6 PXL51040
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Height: 3.45 InThread Size: M18X1.5 In
Fitment notes — PRO-TEC PXL51040
Height: 3.45 InThread Size: M18X1.5 InSpin-On Filter
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VARIOUS MFR Fits: 3.1L V6 PG111
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Spin-On
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High Performance / Heavy Duty

Brand Part Number Markets Notes Buy
ACDELCO Fits: 3.1L V6 UPF47R
🇺🇸 US 🇨🇦 CA
Gold / Professional SpecialtyULTRAGUARD
Fitment notes — ACDELCO UPF47R
Gold / Professional SpecialtyULTRAGUARDSpin-On
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MOBIL Fits: 3.1L V6 M1101A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Performance
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WIX Fits: 3.1L V6 51040XP
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
XP Extreme DutyBest For Synthetic Motor Oils
Fitment notes — WIX 51040XP
XP Extreme DutyBest For Synthetic Motor OilsHeight: 3.45 InSpin-On Filter
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 3.1L V6 PF47E
🇺🇸 US 🇨🇦 CA
GM Original EquipmentGasket Or Seal Included: YES
Fitment notes — ACDELCO PF47E
GM Original EquipmentGasket Or Seal Included: YESSpin-On
SINGLE USE
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WIX Popular Fits: 3.1L V6 51040
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Height: 3.45 InMedia Material: Enhanced Cellulose
Fitment notes — WIX 51040
Height: 3.45 InMedia Material: Enhanced CelluloseThread Size: M18X1.5 InSpin-On Filter
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BOSCH Fits: 3.1L V6 3331
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Premium Oil FilterConnection Size: M18X1.5
Fitment notes — BOSCH 3331
Premium Oil FilterConnection Size: M18X1.5Oil Filter Type: Spin-On/Canister
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CHAMP / LUBER-FINER Fits: 3.1L V6 PH47XL
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Spin-On Filter.XL Synthetic
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DENSO Fits: 3.1L V6 1502015
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Engine Oil Filter or FTF Engine Oil Filter
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HASTINGS / BALDWIN Fits: 3.1L V6 LF233
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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HENGST Fits: 3.1L V6 H90W26
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Filter Media Material: Enhanced CelluloseSpin-On
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MAHLE / CLEVITE Fits: 3.1L V6 OC715
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Spin-On
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VARIOUS MFR Fits: 3.1L V6 PG111EX
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended LifeSpin-On
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This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.

Oil Filter Adapter Gasket / O-Ring

Brand Part Number Markets Notes Buy
MAHLE / CLEVITE Fits: 3.1L V6 B31606
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Paper
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This table covers the Oil Filter Adapter Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.

Oil Filter Bypass Valve

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.1L V6 927841
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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GM GENUINE Fits: 3.1L V6 19542299
🇺🇸 US 🇨🇦 CA
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This table covers the Oil Filter Bypass valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.

Oil Filter Gasket

Brand Part Number Markets Notes Buy
APEX Fits: 3.1L V6 AOM6002
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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FEL-PRO Fits: 3.1L V6 70672
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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VICTOR REINZ Fits: 3.1L V6 711393900
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the gaskets that seal the Oil Filter. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Oil Galley Plug

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.1L V6 45746
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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GM GENUINE Fits: 3.1L V6 10241154
🇺🇸 US 🇨🇦 CA
Rear4 speed Automatic trans.
Fitment notes — GM GENUINE 10241154
Rear4 speed Automatic trans.2.107 OD
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This table covers the Oil Galley plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.

Oil Pan

Brand Part Number Markets Notes Buy
LILAND GLOBAL Fits: 3.1L V6 IGMP66C
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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SPECTRA PREMIUM Fits: 3.1L V6 GMP66C
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
GASKET AND/OR SEALANT NOT INCLUDED
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This table covers the oil pans that hold the engine's oil sump.

Oil Pan Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.1L V6 11515756
🇺🇸 US 🇨🇦 CA
M8X1.25X20
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GM GENUINE Fits: 3.1L V6 11589399
🇺🇸 US 🇨🇦 CA
without SEALINCLUDES SEALANT ON BOTTOM OF BOLT HEAD
Fitment notes — GM GENUINE 11589399
without SEALINCLUDES SEALANT ON BOTTOM OF BOLT HEADM10X1.5X22
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GM GENUINE Fits: 3.1L V6 10227348
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — GM GENUINE 10227348
Includes Seal
M10X1.5
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This table covers the Oil Pan bolts.

Oil Pan Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 3.1L V6 OS30668R
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Permadry Molded Rubber
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MAHLE / CLEVITE Popular Fits: 3.1L V6 OS32132
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molded Rubber
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AJUSA Fits: 3.1L V6 14087700
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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APEX Fits: 3.1L V6 AOP350
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ELRING Fits: 3.1L V6 700550
🇺🇸 US 🇨🇦 CA
SedanCustom
Fitment notes — ELRING 700550
SedanCustomBody code: AH35
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VICTOR REINZ Fits: 3.1L V6 101020201
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Oil Pump

Economy

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 3.1L V6 EPK110
🇺🇸 US
'Pressure King' Value Line Pump
Fitment notes — ENGINETECH EPK110
'Pressure King' Value Line Pump
with 3/4 Inlet Hole
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SKP Fits: 3.1L V6 SKPM134
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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High Volume / Pressure

Brand Part Number Markets Notes Buy
MELLING Popular Fits: 3.1L V6 M134HV
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High VolumeIncludes Intermediate Drive Shaft
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Standard Replacement

Brand Part Number Markets Notes Buy
MELLING Popular Fits: 3.1L V6 M134
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ENGINETECH Fits: 3.1L V6 EP134
🇺🇸 US
with 3/4 Inlet Hole
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SEALED POWER Fits: 3.1L V6 2244152
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit.

Oil Pump Gasket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.1L V6 10477565
🇺🇸 US 🇨🇦 CA
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This table covers the gaskets that seal the Oil Pump. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Oil Pump Pickup Tube / Screen

Brand Part Number Markets Notes Buy
MELLING Fits: 3.1L V6 251S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the pickup tubes and screens that feed the oil pump.

Oil Pump Repair Kit

Brand Part Number Markets Notes Buy
MELLING Fits: 3.1L V6 K95B
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Use To Repair M-95, M-95B, M134 Oil Pumps
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This table covers the Oil Pump repair kits.

Oil Pump Screen Installation Tool

Brand Part Number Markets Notes Buy
MELLING Fits: 3.1L V6 MCAT75
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Installs 3/4in Press-In Oil Pump ScreenBlack
Fitment notes — MELLING MCAT75
Installs 3/4in Press-In Oil Pump ScreenBlackSteelLength: 8.5"Tube Diameter: .750"
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This table covers the Oil Pump Screen Installation tools. This is a service tool, not a wear part — match the application in the notes.

Oil Pump Shaft

Brand Part Number Markets Notes Buy
MELLING Fits: 3.1L V6 IS95
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the Oil Pump shafts.

Oil Pump Shaft Guide / Retainer

Brand Part Number Markets Notes Buy
MELLING Fits: 3.1L V6 M55024
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Snap On Replacement Nylon Shaft Guide
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This table covers the Oil Pump Shaft Guide retainers.

Piston

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 P1584
🇺🇸 US
Coated SkirtRecessed Head .265" deep
Fitment notes — ENGINETECH P1584
Coated SkirtRecessed Head .265" deepHypereutectic
Engine VIN code Tfor Aluminum Head Engines
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ENGINETECH Popular Fits: 3.1L V6 P3025
🇺🇸 US
HypereutecticRecessed Head .269" deep x 2.868"
Fitment notes — ENGINETECH P3025
HypereutecticRecessed Head .269" deep x 2.868"Coated Skirt
Engine VIN code M
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ENGINETECH Fits: 3.1L V6 K15846
🇺🇸 US
Coated SkirtRecessed Head .265" deep
Fitment notes — ENGINETECH K15846
Coated SkirtRecessed Head .265" deepHypereutectic Includes Premium Rings
Engine VIN code Tfor Aluminum Head Engines
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ENGINETECH Fits: 3.1L V6 K15846P
🇺🇸 US
Coated SkirtExcept Recessed Head .265" deep
Fitment notes — ENGINETECH K15846P
Coated SkirtExcept Recessed Head .265" deepHypereutectic Includes Premium Rings
Engine VIN code Tfor Aluminum Head Engines
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ENGINETECH Fits: 3.1L V6 K30256
🇺🇸 US
Recessed Head .269 deep x 2.868Hypereutectic Coated skirt
Fitment notes — ENGINETECH K30256
Recessed Head .269 deep x 2.868Hypereutectic Coated skirtIncludes Premium Rings
Engine VIN code M1.466 Compression Height
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ENGINETECH Fits: 3.1L V6 K30256P
🇺🇸 US
with Premium RingsRecessed Head .269 deep x 2.868
Fitment notes — ENGINETECH K30256P
with Premium RingsRecessed Head .269 deep x 2.868Hypereutectic Coated skirt
Engine VIN code M1.466 Compression Height
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SEALED POWER Fits: 3.1L V6 H692CP
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
HypereutecticDuroshield Coated Skirt
Fitment notes — SEALED POWER H692CP
HypereutecticDuroshield Coated SkirtRecessed Head .260 deep x 2.865 diameter
2 Groove(S)1.50mm1 Groove(S)4.00mmSize
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This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo.

Piston Ring

Premium

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 M89166
🇺🇸 US
Ductile TopPremium
Fitment notes — ENGINETECH M89166
Ductile TopPremiumSetMoly Coated
1.5mm / 1.5mm / 4.0mm
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ENGINETECH Fits: 3.1L V6 C89166
🇺🇸 US
Ductile TopPremium
Fitment notes — ENGINETECH C89166
Ductile TopPremiumSetMoly Coated
1.5mm / 1.5mm / 4.0mm (Size: 1.50MM Oversize)
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HASTINGS MANUFACTURING Fits: 3.1L V6 2M4456
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Plasma Moly Top RingTop Ring Surface Treatment: Plasma Moly
Fitment notes — HASTINGS MANUFACTURING 2M4456
Plasma Moly Top RingTop Ring Surface Treatment: Plasma MolyFull Setfor 2 Ring Pistonwith Shallow Oil Groove
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MAHLE / CLEVITE Fits: 3.1L V6 41473CP
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
PremiumMaterial Carbon Steel / Carbon Steel / Stainless Steel
Fitment notes — MAHLE / CLEVITE 41473CP
PremiumMaterial Carbon Steel / Carbon Steel / Stainless SteelSetAxial Height: 1.5MM / 1.5MM / 4.0MMFacing: Plasma-Moly / Chrome
Shallow Groove
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Standard Replacement

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 R89166
🇺🇸 US
CastSet
Fitment notes — ENGINETECH R89166
CastSet
1.5mm / 1.5mm / 4.0mm
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HASTINGS MANUFACTURING Fits: 3.1L V6 4456
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full SetTop Ring Surface Treatment: Phosphate
Fitment notes — HASTINGS MANUFACTURING 4456
Full SetTop Ring Surface Treatment: Phosphatefor 2 Ring Pistonwith Shallow Oil Groove
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MAHLE / CLEVITE Fits: 3.1L V6 51473CP
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetChrome Facing
Fitment notes — MAHLE / CLEVITE 51473CP
SetChrome FacingMaterial Cast Iron / Carbon Steel / Stainless SteelAxial Height: 1.5MM / 1.5MM / 4.0MM
Fits:
Shallow Grooveor .060 INFacing: ChromeShallow Groove
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SEALED POWER Fits: 3.1L V6 E605X
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetRing Groove Widths: 1.5mm, 1.5mm, 4mm
Fitment notes — SEALED POWER E605X
SetRing Groove Widths: 1.5mm, 1.5mm, 4mm
EconomyDuctile Top RingDuctile 2nd Ring
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This table covers the rings that seal each piston to the cylinder wall.

Push Rod

Brand Part Number Markets Notes Buy
MELLING Popular Fits: 3.1L V6 MPR474
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Exhaust
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MELLING Popular Fits: 3.1L V6 MPR475
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Intake
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ENGINETECH Fits: 3.1L V6 EPR475
🇺🇸 US
5.750" Overall Length
Fitment notes — ENGINETECH EPR475
5.750" Overall Length
IntakeEngine VIN code M,J
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ENGINETECH Fits: 3.1L V6 EPR474
🇺🇸 US
Exhaust
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QUALCAST Fits: 3.1L V6 746475
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Intake5.750 Length
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QUALCAST Fits: 3.1L V6 746474
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Exhaust6.074 Length
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This table covers the pushrods that transfer lifter motion to the rocker arms.

Re-Ring Kit

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 3.1L V6 RMC189B
🇺🇸 US
Re-Main KitEconomy
Fitment notes — ENGINETECH RMC189B
Re-Main KitEconomy
Engine VIN code Mfor '95 with Roller Rockers ADD (1) IC189
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize1.00MM Undersize 0.50MM Undersize0.75MM Undersize1.00MM Undersize Intentionally blank Intentionally blank Choose
ENGINETECH R89166 [Piston Ring] CastSet
Choose Size: 0.75MM Oversize1.00MM Oversize Standard 0.75MM Oversize1.00MM Oversize StandardIntentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize 0.50MM Undersize0.75MM Undersize Intentionally blank Intentionally blank Choose
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ENGINETECH Fits: 3.1L V6 RMC189BP
🇺🇸 US
Re-Main KitPremium
Fitment notes — ENGINETECH RMC189BP
Re-Main KitPremium
Engine VIN code Mfor '95 with Roller Rockers ADD (1) IC189
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize1.00MM Undersize 0.50MM Undersize0.75MM Undersize1.00MM Undersize Intentionally blank Intentionally blank Choose
ENGINETECH M89166 [Piston Ring] Ductile TopPremiumSetMoly Coated
Choose Size: 0.50MM Oversize1.00MM Oversize Standard 0.50MM Oversize1.00MM Oversize StandardIntentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize 0.50MM Undersize0.75MM Undersize Intentionally blank Intentionally blank Choose
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ENGINETECH Fits: 3.1L V6 RMC189A
🇺🇸 US
RE-Main KitEconomy
Fitment notes — ENGINETECH RMC189A
RE-Main KitEconomyDoes Not Include Intake Gasket
Aluminum Head3/4 Oil Pump Hole
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize1.00MM Undersize 0.50MM Undersize0.75MM Undersize1.00MM Undersize Intentionally blank Intentionally blank Choose
ENGINETECH R89166 [Piston Ring] CastSet
Choose Size: 0.75MM Oversize1.00MM Oversize Standard 0.75MM Oversize1.00MM Oversize StandardIntentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize 0.50MM Undersize0.75MM Undersize Intentionally blank Intentionally blank Choose
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ENGINETECH Fits: 3.1L V6 RMC189AP
🇺🇸 US
RE-Main KitPremium
Fitment notes — ENGINETECH RMC189AP
RE-Main KitPremiumDoes Not Include Intake Gasket
Aluminum Head3/4 Oil Pump Hole
ENGINETECH BB285J [Connecting Rod Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize1.00MM Undersize 0.50MM Undersize0.75MM Undersize1.00MM Undersize Intentionally blank Intentionally blank Choose
ENGINETECH M89166 [Piston Ring] Ductile TopPremiumSetMoly Coated
Choose Size: 0.50MM Oversize1.00MM Oversize Standard 0.50MM Oversize1.00MM Oversize StandardIntentionally blank Intentionally blank Choose
ENGINETECH BC412J [Crankshaft Main Bearing] Set
Choose Size: 0.50MM Undersize0.75MM Undersize 0.50MM Undersize0.75MM Undersize Intentionally blank Intentionally blank Choose
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This table covers the Re-Ring kits.

Rocker Arm

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 3.1L V6 ERK419
🇺🇸 US
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This table covers the rocker arms that transfer cam motion to the valves.

Rocker Arm Ball

Brand Part Number Markets Notes Buy
MELLING Fits: 3.1L V6 MRM1721
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Use with Non Roller Rocker Arm
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SBI Fits: 3.1L V6 1831015
🇺🇸 US 🇨🇦 CA
Intake and ExhaustSmooth Ball
Fitment notes — SBI 1831015
Intake and ExhaustSmooth Ball10mmUse with Metric Threaded Rocker Arm Stud
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This table covers the balls a rocker arm pivots on.

Rocker Arm Nut

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 3.1L V6 ERM418
🇺🇸 US
Rocker Nut10 X 1.0mm
Fitment notes — ENGINETECH ERM418
Rocker Nut10 X 1.0mmAdjustable
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MELLING Fits: 3.1L V6 MRM1723
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Used with Non-Roller Rocker Arms
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SBI Fits: 3.1L V6 1841033
🇺🇸 US 🇨🇦 CA
Intake and ExhaustNut
Fitment notes — SBI 1841033
Intake and ExhaustNut8mmNon-Adjustable
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This table covers the Rocker Arm nuts.

Timing Cam Sprocket

Brand Part Number Markets Notes Buy
CLOYES Popular Fits: 3.1L V6 S756T
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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FVP Fits: 3.1L V6 S756T
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
FrontL82 Engine
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INA Fits: 3.1L V6 ZSS756T
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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PREFERRED COMPONENTS INC Fits: 3.1L V6 G55756
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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S.A. GEAR Fits: 3.1L V6 S756
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
CAM
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This table covers the Timing Cam sprockets.

Timing Chain

Brand Part Number Markets Notes Buy
MELLING Popular Fits: 3.1L V6 385
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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S.A. GEAR Popular Fits: 3.1L V6 C385
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Chain
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CLOYES Fits: 3.1L V6 C385
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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INA Fits: 3.1L V6 ZCC385
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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PREFERRED COMPONENTS INC Fits: 3.1L V6 C385
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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SEALED POWER Fits: 3.1L V6 222372
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
9 links wide64 Links
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This table covers the timing chains that keep the cams in time with the crank.

Timing Chain & Component Kit

Economy

Brand Part Number Markets Notes Buy
S.A. GEAR Popular Fits: 3.1L V6 73116
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Cam Sprocket, Chain, Crank Sprocket
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PREFERRED COMPONENTS INC Fits: 3.1L V6 TS13036
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Damper Included
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S.A. GEAR Fits: 3.1L V6 76192
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Cam Sprocket, Chain, Crank Sprocket, Damper
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SKP Fits: 3.1L V6 SK90385S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes: Camshaft Sprocket, Crankshaft Sprocket, Chain, Damper
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Standard Replacement

Brand Part Number Markets Notes Buy
CLOYES Popular Fits: 3.1L V6 90385S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes: Timing Chain, Timing Damper, Crankshaft Sprocket, Camshaft SprocketInclude Timing Chain Guide
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CLOYES Fits: 3.1L V6 C3036
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Timing SetSet Contains: Timing Chain, Crankshaft Sprocket, Camshaft Sprocket
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ENGINETECH Fits: 3.1L V6 TS385
🇺🇸 US
Damper Not Included
Fitment notes — ENGINETECH TS385
Damper Not Included
Engine VIN code M
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INA Fits: 3.1L V6 ZCC3036
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Kit Contains 1 Chain, 1 Cam Sprocket, 1 Crank Sprocket
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INA Fits: 3.1L V6 ZC90385S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Kit Contains 1 Chain, 1 Guide, 1 CAM Sprocket, 1 Crankshaft Sprocket
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MELLING Fits: 3.1L V6 3385S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Partial 3 Piece Timing Set
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This table covers kits that group a timing chain with the related tensioners and guides.

Timing Chain Guide / Damper

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 D131
🇺🇸 US
Engine VIN code T
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MELLING Popular Fits: 3.1L V6 BD336
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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CLOYES Fits: 3.1L V6 95336
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
DAMPER
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ENGINETECH Fits: 3.1L V6 D336
🇺🇸 US
Engine VIN code MUse with TS385
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PREFERRED COMPONENTS INC Fits: 3.1L V6 R75336
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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S.A. GEAR Fits: 3.1L V6 7336
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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SEALED POWER Fits: 3.1L V6 222336CT
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the guides and dampers that keep the timing chain on its path.

Timing Cover Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.1L V6 11609752
🇺🇸 US 🇨🇦 CA
Silver GreyM10X1.5X39
Fitment notes — GM GENUINE 11609752
Silver GreyM10X1.5X39# 3,# 4
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GM GENUINE Fits: 3.1L V6 11571223
🇺🇸 US 🇨🇦 CA
Used At Holes # 1,# 2,# 5,# 6,# 10Single Use
Fitment notes — GM GENUINE 11571223
Used At Holes # 1,# 2,# 5,# 6,# 10Single UseM8X1.25X3627THD
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This table covers the Timing Cover bolts.

Timing Cover Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 3.1L V6 72670
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Configuration: ONE Piece
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FEL-PRO Popular Fits: 3.1L V6 TCS45828
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Repair Sleeve, Water Pump Gasket Not Included
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FEL-PRO Popular Fits: 3.1L V6 TCS45976
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Sleeve 'N' Seal
Fitment notes — FEL-PRO TCS45976
with Sleeve 'N' Seal
0.565 (In) Sleeve Length
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APEX Fits: 3.1L V6 ATC3150
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ENGINETECH Fits: 3.1L V6 TCC189A
🇺🇸 US
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GM GENUINE Fits: 3.1L V6 10189276
🇺🇸 US 🇨🇦 CA
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MAHLE / CLEVITE Fits: 3.1L V6 T31259
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Paper
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MAHLE / CLEVITE Fits: 3.1L V6 JV1149
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
View on
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VICTOR REINZ Fits: 3.1L V6 711406900
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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VICTOR REINZ Fits: 3.1L V6 151019701
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — VICTOR REINZ 151019701
Set
without Sleeve
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VICTOR REINZ Fits: 3.1L V6 151018201
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — VICTOR REINZ 151018201
Set
with Repair Sleeve
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This table covers the gaskets that seal the Timing Cover. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Timing Cover Repair Sleeve

Brand Part Number Markets Notes Buy
FEL-PRO Fits: 3.1L V6 16215
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
0.565 (In) Sleeve LengthUse with Installation tool
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SKF Fits: 3.1L V6 480177
🇲🇽 MX
View on
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SKF Fits: 3.1L V6 99176
🇲🇽 MX
Shaft Diameter: 1.766 In
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VICTOR REINZ Fits: 3.1L V6 711455000
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
.565 IN Length
View on
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This table covers the wear sleeves used to restore a Timing Cover seal surface.

Timing Cover Repair Sleeve Tool

Brand Part Number Markets Notes Buy
FEL-PRO Fits: 3.1L V6 16312
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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This table covers the Timing Cover Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes.

Timing Cover Seal

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 S0222
🇺🇸 US
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MAHLE / CLEVITE Popular Fits: 3.1L V6 65022
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber1/2" Wide
Fitment notes — MAHLE / CLEVITE 65022
Rubber1/2" Wide
1/2 IN Wide, Lip Relocator Type
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MAHLE / CLEVITE Fits: 3.1L V6 49328
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber3/8" Wide
Fitment notes — MAHLE / CLEVITE 49328
Rubber3/8" Wide
3/8 IN Wide
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SKF Fits: 3.1L V6 17286
🇲🇽 MX
View on
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SKF Fits: 3.1L V6 17765A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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VICTOR REINZ Fits: 3.1L V6 191035801
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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This table covers the seals at the Timing Cover. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Timing Crank Sprocket

Brand Part Number Markets Notes Buy
S.A. GEAR Popular Fits: 3.1L V6 S619
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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CLOYES Fits: 3.1L V6 S619
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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FVP Fits: 3.1L V6 S619
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
OuterL82 Engine
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INA Fits: 3.1L V6 ZSS619
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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PREFERRED COMPONENTS INC Fits: 3.1L V6 G55619
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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This table covers the crankshaft sprockets that drive the timing chain or belt.

Torque Strut Mount

Economy

Brand Part Number Markets Notes Buy
SKP Fits: 3.1L V6 SKM2396
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
View on
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Standard Replacement

Brand Part Number Markets Notes Buy
ANCHOR Popular Fits: 3.1L V6 2396
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
View on
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DEA / MARMON RIDE CONTROL Fits: 3.1L V6 A2396
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
FrontSolid
View on
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PIONEER Fits: 3.1L V6 632396
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
View on
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WESTAR Fits: 3.1L V6 EM2396
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
View on
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This table covers the Torque Strut mounts. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.

Valve Cover Bolt / Screw

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.1L V6 11589120
🇺🇸 US 🇨🇦 CA
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This table covers the Valve Cover Bolt screws. Typical signs include a rounded head, a seeping bleeder, or a fastener that will not hold torque. Do not force a new screw into a stripped hole — repair the thread first.

Valve Cover Gasket

Brand Part Number Markets Notes Buy
APEX Popular Fits: 3.1L V6 AVC350S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Grommets
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FEL-PRO Popular Fits: 3.1L V6 VS50442R
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Permadry RubberValve Cover Grommets Not Included
Fitment notes — FEL-PRO VS50442R
Permadry RubberValve Cover Grommets Not Included
Must Use with Part Number(s) 35614
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MAHLE / CLEVITE Popular Fits: 3.1L V6 VS50173A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Contains GrommetsSet
Fitment notes — MAHLE / CLEVITE VS50173A
Contains GrommetsSetMolded Rubber
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APEX Fits: 3.1L V6 AVC350
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does Not Include Grommets
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ELRING Fits: 3.1L V6 754490
🇺🇸 US 🇨🇦 CA
Material: Multiple
Fitment notes — ELRING 754490
Material: Multiple
SedanCustomBody code: AH35
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ELRING Fits: 3.1L V6 688940
🇺🇸 US 🇨🇦 CA
SedanCustom
Fitment notes — ELRING 688940
SedanCustomBody code: AH35
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ENGINETECH Fits: 3.1L V6 VCC189A
🇺🇸 US
SetIncludes Grommets
Fitment notes — ENGINETECH VCC189A
SetIncludes Grommets
Engine VIN code J,M
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GM GENUINE Fits: 3.1L V6 10154775
🇺🇸 US 🇨🇦 CA
Single Gasket
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MAHLE / CLEVITE Fits: 3.1L V6 VS50174
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molded Rubber
Fitment notes — MAHLE / CLEVITE VS50174
Molded Rubber
Single Valve Cover
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MAHLE / CLEVITE Fits: 3.1L V6 VS50173
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetMolded Rubber
Fitment notes — MAHLE / CLEVITE VS50173
SetMolded Rubber
Grommets not Included
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ULTRA-POWER Fits: 3.1L V6 VS50442R
🇺🇸 US 🇨🇦 CA
SetMolded Rubber Gasket(s) Included
Fitment notes — ULTRA-POWER VS50442R
SetMolded Rubber Gasket(s) IncludedMolded Rubber
Valve Cover Grommets not includedMust Use with #(S) 35614
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VICTOR REINZ Fits: 3.1L V6 151063001
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — VICTOR REINZ 151063001
Set
without GROMMETS
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This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Valve Cover Grommet

Brand Part Number Markets Notes Buy
APEX Fits: 3.1L V6 AES303
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
View on
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FEL-PRO Fits: 3.1L V6 ES71044
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
View on
Amazon
MAHLE / CLEVITE Fits: 3.1L V6 GS33405
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
KitSet
Fitment notes — MAHLE / CLEVITE GS33405
KitSetMolded Rubber
Services 1 Valve Cover
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VICTOR REINZ Fits: 3.1L V6 151013801
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
View on
Amazon

This table covers the Valve Cover grommets.

Valve Guide

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 3.1L V6 GD8112
🇺🇸 US
Ironwith Snap Ring
Fitment notes — ENGINETECH GD8112
Ironwith Snap Ring
Intake and Exhaust .3155 X .5530 X 2.085Spiral IDAluminum Heads
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QUALCAST Fits: 3.1L V6 308112
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
2.085 OAL. Aluminum Head. 0.316 I.D.
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SBI Fits: 3.1L V6 1408112
🇺🇸 US 🇨🇦 CA
Intake and Exhaust0.3155 I.D.
Fitment notes — SBI 1408112
Intake and Exhaust0.3155 I.D.0.5530 O.D.2.085 Length11-SR Typewith Snap Ring
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This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering.

Valve Lifter

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.1L V6 HL118
🇺🇸 US 🇨🇦 CA
Lifter Type: Hydraulic Roller
Fitment notes — GM GENUINE HL118
Lifter Type: Hydraulic Roller
ROLLER
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MELLING Popular Fits: 3.1L V6 JB2270
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Hydraulic
View on
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AJUSA Fits: 3.1L V6 85010200
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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ENGINETECH Fits: 3.1L V6 L2095
🇺🇸 US
Hydraulic
Fitment notes — ENGINETECH L2095
Hydraulic
Engine VIN code TFlat follower
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ENGINETECH Fits: 3.1L V6 L2270
🇺🇸 US
HydraulicRoller Follower
Fitment notes — ENGINETECH L2270
HydraulicRoller Follower
Engine VIN code J,M
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QUALCAST Fits: 3.1L V6 362270
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Hydraulic Roller
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SBI Fits: 3.1L V6 VL138
🇺🇸 US 🇨🇦 CA
Intake and Exhaust0.842 Body Diameter
Fitment notes — SBI VL138
Intake and Exhaust0.842 Body Diameter2.240 LengthHydraulic Roller Type
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SEALED POWER Fits: 3.1L V6 HT2270
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Hydraulic Roller Lifters
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This table covers the lifters / tappets that transfer cam motion to the valves.

Valve Seat

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 ST18124
🇺🇸 US
Hi-Chrome1.563 X 1.8175 X .2188
Fitment notes — ENGINETECH ST18124
Hi-Chrome1.563 X 1.8175 X .2188
Intake45 DegreeFor Use with cast iron cylinder heads
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ENGINETECH Popular Fits: 3.1L V6 ST15001
🇺🇸 US
Hi-Chrome1.250 X 1.5045 X .2188
Fitment notes — ENGINETECH ST15001
Hi-Chrome1.250 X 1.5045 X .2188
Exhaust45 DegreeFor Use with cast iron cylinder heads
View on
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DURA-BOND Fits: 3.1L V6 31244
🇺🇸 US 🇨🇦 CA
Exhaust
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QUALCAST Fits: 3.1L V6 21150073
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
INSERT
Fitment notes — QUALCAST 21150073
INSERT
Exhaust1.230 I.D. 1-1/2 O.D. 0.278 Depth
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QUALCAST Fits: 3.1L V6 21175065
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
INSERT
Fitment notes — QUALCAST 21175065
INSERT
Intake1.468 I.D. 1-3/4 O.D. 0.276 Depth
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SBI Fits: 3.1L V6 SB150073
🇺🇸 US 🇨🇦 CA
High ChromeFor Aluminum Cylinder Head
Fitment notes — SBI SB150073
High ChromeFor Aluminum Cylinder Head
Exhaust1-1/2 O.D.1.230 I.D.0.2780 Depth
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This table covers the Valve seats.

Valve Spring

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 3.1L V6 ERV1265
🇺🇸 US
Intake and Exhaust
View on
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MELLING Fits: 3.1L V6 VS2224
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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QUALCAST Fits: 3.1L V6 321265
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
1.965 Free Length. Conical Style
View on
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SBI Fits: 3.1L V6 1601363
🇺🇸 US 🇨🇦 CA
Intake and Exhaust1.940 Length
Fitment notes — SBI 1601363
Intake and Exhaust1.940 Length1.350T O.D.0.926T I.DConical
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This table covers the springs that close each intake and exhaust valve. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.

Valve Spring Retainer

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.1L V6 10166344
🇺🇸 US 🇨🇦 CA
EXH
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This table covers the Valve Spring retainers.

Valve Spring Retainer Keeper

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.1L V6 10166345
🇺🇸 US 🇨🇦 CA
Material: Alloy Steel
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ENGINETECH Fits: 3.1L V6 EPF555HD
🇺🇸 US
Heat Treated
Fitment notes — ENGINETECH EPF555HD
Heat Treated
Iron Heads1 Square Groove11/32 stem
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ENGINETECH Fits: 3.1L V6 EPC291
🇺🇸 US
Engine VIN code MSingle Round Groove
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ENGINETECH Fits: 3.1L V6 EPF1021
🇺🇸 US
Aluminum Head Engines1 Round Groove
Fitment notes — ENGINETECH EPF1021
Aluminum Head Engines1 Round Groove8mm stem
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PIONEER Fits: 3.1L V6 PG217
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
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QUALCAST Fits: 3.1L V6 345005
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
0.314 Stem. Round Bead In Middle.
View on
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SBI Fits: 3.1L V6 1211085
🇺🇸 US 🇨🇦 CA
Intake and Exhaust0.2900 Length
Fitment notes — SBI 1211085
Intake and Exhaust0.2900 Length1 Round bead type0.3100 I.D.
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This table covers the keepers that lock each valve-spring retainer to the stem.

Valve Stem Seal

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 3.1L V6 S2806
🇺🇸 US
Premium Silicone
Fitment notes — ENGINETECH S2806
Premium Silicone
Intake and ExhaustFits 11/32 stemIron Head Engines
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ENGINETECH Popular Fits: 3.1L V6 S2927
🇺🇸 US
Outside Diameter: 0.630Seal Type: Positive-Metal Clad
Fitment notes — ENGINETECH S2927
Outside Diameter: 0.630Seal Type: Positive-Metal CladViton
with 11/32 stem and 0.530 guide OD
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ENGINETECH Popular Fits: 3.1L V6 S305V
🇺🇸 US
VitonSeal Type: Positive-Metal Clad-OE
Fitment notes — ENGINETECH S305V
VitonSeal Type: Positive-Metal Clad-OE
Engine VIN code TIntakeIron Heads
View on
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AJUSA Fits: 3.1L V6 12018800
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
6.5 x 14 x 23
View on
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APEX Fits: 3.1L V6 AVS3050
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — APEX AVS3050
Set
Intake and Exhaust
View on
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ENGINETECH Fits: 3.1L V6 S2807
🇺🇸 US
Viton
Fitment notes — ENGINETECH S2807
Viton
Intake and ExhaustFits 11/32 stemIron Head Engines
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ENGINETECH Fits: 3.1L V6 S2926
🇺🇸 US
Outside Diameter: 0.602Seal Type: Positive-Metal Clad
Fitment notes — ENGINETECH S2926
Outside Diameter: 0.602Seal Type: Positive-Metal CladViton
with 11/32 stem and 0.500 guide OD
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ENGINETECH Fits: 3.1L V6 S9224
🇺🇸 US
Viton
Fitment notes — ENGINETECH S9224
Viton
with 8.0mm stem and 0.512 guide ODAluminum Head Engines
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FEL-PRO Fits: 3.1L V6 SS72851
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — FEL-PRO SS72851
Set
Intake and Exhaust
View on
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MAHLE / CLEVITE Fits: 3.1L V6 B45829
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits Exhaustor Intake
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MAHLE / CLEVITE Fits: 3.1L V6 SS45829
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetMetal with Molded Rubber
Fitment notes — MAHLE / CLEVITE SS45829
SetMetal with Molded Rubber
Intake and Exhaust
View on
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QUALCAST Fits: 3.1L V6 3803145
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Top Hat. Viton
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SBI Fits: 3.1L V6 1221314
🇺🇸 US 🇨🇦 CA
Intake and ExhaustViton Material
Fitment notes — SBI 1221314
Intake and ExhaustViton MaterialPositive TypeTop Hat Style5/16 Nominal Stem Diameter
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ULTRA-POWER Fits: 3.1L V6 SS72851
🇺🇸 US 🇨🇦 CA
SetPremium Valve Stem Seals Included
Fitment notes — ULTRA-POWER SS72851
SetPremium Valve Stem Seals Included12 Pieces
EXHAUSTINTAKE
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This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Buying Engine Parts for a 1994 Buick Century

On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.

  • Match the engine first. Every engine part here is engine-specific; each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Oil and Crankshaft Seal .

Frequently Asked Questions

How many engine parts fit the 1994 Buick Century?

Our catalog currently lists 469 engine parts for the 1994 Buick Century across 84 subcategories and 62 brands, covering both the 2.2L L4 and the 3.1L V6. Each part is matched to the engine(s) it fits.

Do engine parts differ between 1994 Buick Century engines?

Yes. Every engine part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of engine problems on a 1994 Buick Century?

Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What oil viscosity is listed for the 1994 Buick Century?

Oil rows on this page include SAE 5W-30, SAE 5W-40 and SAE 10W-30. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.

What should I replace at the same time?

Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1994 Buick Century was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 1994 Buick Century?

First match the engine — each row shows which engine(s) the part fits. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 1994 Buick Century

Engine Parts for Other Buick Century Years

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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.