1990 Honda Prelude Engine Parts

Engine:

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

342 Engine parts are listed for the 1990 Honda Prelude, in 43 part types, covering both the 2.0L L4 DOHC and the 2.0L L4 SOHC. Each one has a brand, a manufacturer part number and notes that say where it fits.

On the 1990 Honda Prelude, 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 Camshaft Seal (26 parts), Oil (21 parts) and Crankshaft Seal (20 parts). The other 40 part types cover the remaining 275 parts.

Camshaft Repair Sleeve

Brand Part Number Markets Notes Buy
SCHAEFFLER Fits: 2.0L L4 DOHC SR3460
🇺🇸 US 🇨🇦 CA
11.13 mm Width33.53 mm Outside Diameter
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This table covers the wear sleeves used to restore a Camshaft seal surface.

Camshaft Seal

Brand Part Number Markets Notes Buy
CONTINENTAL Popular Fits: all 1990 Prelude engines CS11429
🇺🇸 US 🇨🇦 CA
Front29x45x8mm
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FEL-PRO Popular Fits: 2.0L L4 DOHC TCS45718
🇺🇸 US 🇨🇦 CA
KitDust Seals Not Included
Fitment notes — FEL-PRO TCS45718
KitDust Seals Not IncludedFront
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FEL-PRO Popular Fits: 2.0L L4 SOHC TCS45620
🇺🇸 US 🇨🇦 CA
Dust Seals Not Included
Fitment notes — FEL-PRO TCS45620
Dust Seals Not Included
Front
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MAHLE / CLEVITE Popular Fits: 2.0L L4 DOHC 66580
🇺🇸 US 🇨🇦 CA
Rubber
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MAHLE / CLEVITE Popular Fits: 2.0L L4 SOHC 67604
🇺🇸 US 🇨🇦 CA
Rubber
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APEX Fits: 2.0L L4 DOHC ATC1120
🇺🇸 US 🇨🇦 CA
Frontwithout Dust Seals
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APEX Fits: 2.0L L4 DOHC ATC1121
🇺🇸 US 🇨🇦 CA
Frontwith Dust seals
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APEX Fits: 2.0L L4 SOHC ATC1000
🇺🇸 US 🇨🇦 CA
Frontwithout Dust Seals
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APEX Fits: 2.0L L4 SOHC ATC1090
🇺🇸 US 🇨🇦 CA
Frontwith Dust seals
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AUTO EXTRA Fits: 2.0L L4 DOHC 222743
🇺🇸 US 🇨🇦 CA
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BCA Fits: 2.0L L4 DOHC NS222743
🇺🇸 US 🇨🇦 CA
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BCA Fits: 2.0L L4 SOHC NS320595
🇺🇸 US 🇨🇦 CA
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ELRING Fits: 2.0L L4 SOHC 591777
🇺🇸 US 🇨🇦 CA
material: NBR (nitrile butadiene rubber)
Fitment notes — ELRING 591777
material: NBR (nitrile butadiene rubber)
Body code: BA4
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ELRING Fits: 2.0L L4 SOHC 012160
🇺🇸 US 🇨🇦 CA
Material: MVQ (silicone rubber)
Fitment notes — ELRING 012160
Material: MVQ (silicone rubber)
Body code: BA4
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FAMOUS BRAND Fits: 2.0L L4 DOHC 207632850
🇺🇸 US 🇨🇦 CA
PDL
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FEL-PRO Fits: 2.0L L4 SOHC TCS45872
🇺🇸 US 🇨🇦 CA
Type: Camshaft Front Seal Setwith Dust seals
Fitment notes — FEL-PRO TCS45872
Type: Camshaft Front Seal Setwith Dust sealsFront
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC 1500903
🇺🇸 US 🇨🇦 CA
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC 1500907
🇺🇸 US 🇨🇦 CA
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NATIONAL Fits: 2.0L L4 DOHC 222743
🇺🇸 US 🇨🇦 CA
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NATIONAL Fits: 2.0L L4 SOHC 320595
🇺🇸 US 🇨🇦 CA
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SKF Fits: 2.0L L4 DOHC 10634
🇺🇸 US 🇨🇦 CA
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SKF Fits: 2.0L L4 SOHC 11429
🇺🇸 US 🇨🇦 CA
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VICTOR REINZ Fits: 2.0L L4 DOHC 815321900
🇺🇸 US 🇨🇦 CA
FrontDust Seals not Included
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VICTOR REINZ Fits: 2.0L L4 SOHC 815322400
🇺🇸 US 🇨🇦 CA
Front
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WJB / INMOTION PARTS Fits: 2.0L L4 DOHC WS222743
🇺🇸 US 🇨🇦 CA
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WJB / INMOTION PARTS Fits: 2.0L L4 SOHC WS320595
🇺🇸 US 🇨🇦 CA
SOHC
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This table covers the seals at each camshaft end. 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.

Connecting Rod

Brand Part Number Markets Notes Buy
TOPLINE Fits: 2.0L L4 DOHC CRH23
🇺🇸 US 🇨🇦 CA
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TOPLINE Fits: 2.0L L4 SOHC CRH19
🇺🇸 US 🇨🇦 CA
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This table covers the connecting rods between each piston and the crankshaft.

Connecting Rod Bearing

High Performance

Brand Part Number Markets Notes Buy
KING ENGINE BEARINGS Popular Fits: 2.0L L4 SOHC CR439XP
🇺🇸 US 🇨🇦 CA
SetPmaxblack
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KING ENGINE BEARINGS Fits: 2.0L L4 DOHC CR4033XP
🇺🇸 US 🇨🇦 CA
SetPmaxblack
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KING ENGINE BEARINGS Fits: 2.0L L4 SOHC CR439XPC
🇺🇸 US 🇨🇦 CA
pmaxkote, polymer coatedSet
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KING ENGINE BEARINGS Fits: 2.0L L4 SOHC CR439XPCX
🇺🇸 US 🇨🇦 CA
pmaxkote, polymer coatedSet
Fitment notes — KING ENGINE BEARINGS CR439XPCX
pmaxkote, polymer coatedSetwith Extra Oil Clearance
(Size: Standard)
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KING ENGINE BEARINGS Fits: 2.0L L4 SOHC CR439XPD
🇺🇸 US 🇨🇦 CA
SetPmaxblack
Fitment notes — KING ENGINE BEARINGS CR439XPD
SetPmaxblack
(Size: Standard)
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MAHLE / CLEVITE Fits: 2.0L L4 DOHC CB1780H
🇺🇸 US 🇨🇦 CA
High PerformanceH Series (Tri-Metal)
Fitment notes — MAHLE / CLEVITE CB1780H
High PerformanceH Series (Tri-Metal)Pair
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MAHLE / CLEVITE Fits: 2.0L L4 DOHC CB1780HX
🇺🇸 US 🇨🇦 CA
High PerformanceH Series (Tri-Metal)
Fitment notes — MAHLE / CLEVITE CB1780HX
High PerformanceH Series (Tri-Metal)Pair
.001 IN Extra Oil Clearance (Size: Standard)
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Standard Replacement

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 2.0L L4 DOHC BB1520
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — ENGINETECH BB1520
Set
Excludes carbureted
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KING ENGINE BEARINGS Popular Fits: 2.0L L4 SOHC CR439AM
🇺🇸 US 🇨🇦 CA
SetBI-Metal (aluminum base)
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MAHLE / CLEVITE Popular Fits: 2.0L L4 DOHC CB1780P
🇺🇸 US 🇨🇦 CA
P Series (Tri-Metal)Pair
Fitment notes — MAHLE / CLEVITE CB1780P
P Series (Tri-Metal)Pair
(Size: Standard)
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MAHLE / CLEVITE Popular Fits: 2.0L L4 DOHC CB1780P4
🇺🇸 US 🇨🇦 CA
P Series (Tri-Metal)Set
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC 4B9544
🇺🇸 US 🇨🇦 CA
Set
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KING ENGINE BEARINGS Fits: 2.0L L4 DOHC CR4033AM
🇺🇸 US 🇨🇦 CA
BI-Metal (aluminum base)Set
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SEALED POWER Fits: 2.0L L4 DOHC 41825CP
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — SEALED POWER 41825CP
Set
(Size: Standard)
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SEALED POWER Fits: 2.0L L4 DOHC 47195CH
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — SEALED POWER 47195CH
Set
Size (Size: 0.010" Undersize)
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SEALED POWER Fits: 2.0L L4 SOHC 41495CP
🇺🇸 US 🇨🇦 CA
Set
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TOPLINE Fits: 2.0L L4 DOHC RBH20
🇺🇸 US 🇨🇦 CA
Set
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TOPLINE Fits: 2.0L L4 SOHC RBH15
🇺🇸 US 🇨🇦 CA
Set
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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
APEX Popular Fits: 2.0L L4 DOHC ACS1012
🇺🇸 US 🇨🇦 CA
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AJUSA Fits: all 1990 Prelude engines 54068900
🇺🇸 US 🇨🇦 CA
Engine # B20A3,B20A4
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APEX Fits: 2.0L L4 SOHC ACS1009
🇺🇸 US 🇨🇦 CA
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FEL-PRO Fits: 2.0L L4 DOHC CS91241
🇺🇸 US 🇨🇦 CA
Permadry Rubber Oil Pan Gasket(s) Included
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ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines 0920929
🇺🇸 US 🇨🇦 CA
Set does Not contain engine Oil seals
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TOPLINE Fits: all 1990 Prelude engines CBSH19
🇺🇸 US 🇨🇦 CA
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VICTOR REINZ Fits: 2.0L L4 DOHC 081185601
🇺🇸 US 🇨🇦 CA
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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 Main Bearing

High Performance

Brand Part Number Markets Notes Buy
KING ENGINE BEARINGS Fits: all 1990 Prelude engines MB5568XP
🇺🇸 US 🇨🇦 CA
PmaxblackSet
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MAHLE / CLEVITE Fits: all 1990 Prelude engines MS1804H
🇺🇸 US 🇨🇦 CA
High PerformanceH Series (Tri-Metal)
Fitment notes — MAHLE / CLEVITE MS1804H
High PerformanceH Series (Tri-Metal)Set
Requires Thrust Washer Set, Not Included (Size: Standard)
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Standard Replacement

Brand Part Number Markets Notes Buy
KING ENGINE BEARINGS Popular Fits: all 1990 Prelude engines MB5568AM
🇺🇸 US 🇨🇦 CA
BI-Metal (aluminum base)Set
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MAHLE / CLEVITE Popular Fits: all 1990 Prelude engines MS1804P
🇺🇸 US 🇨🇦 CA
P Series (Tri-Metal)Set
Fitment notes — MAHLE / CLEVITE MS1804P
P Series (Tri-Metal)SetStandard Shaft Diameter (Max.): MB3176P=2.1654 IN
Requires Thrust Washer Set, Not Included
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ENGINETECH Fits: all 1990 Prelude engines BC1516
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — ENGINETECH BC1516
Set
Fits:
2.164 crank journal
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ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines 5M9350
🇺🇸 US 🇨🇦 CA
Set
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MAHLE / CLEVITE Fits: all 1990 Prelude engines MS1804A
🇺🇸 US 🇨🇦 CA
A Series (Aluminum)Set
Fitment notes — MAHLE / CLEVITE MS1804A
A Series (Aluminum)Set
Requires Thrust Washer Set, Not Included
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SEALED POWER Fits: all 1990 Prelude engines 7102M
🇺🇸 US 🇨🇦 CA
Set
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TOPLINE Fits: all 1990 Prelude engines TWH16
🇺🇸 US 🇨🇦 CA
Thrust Bearing
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TOPLINE Fits: all 1990 Prelude engines MBH16
🇺🇸 US 🇨🇦 CA
Set
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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
BCA Popular Fits: all 1990 Prelude engines NS99315
🇺🇸 US 🇨🇦 CA
Rear
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TIMKEN Popular Fits: all 1990 Prelude engines KWK99147
🇺🇸 US 🇨🇦 CA
Kwik-Sleeve
Fitment notes — TIMKEN KWK99147
Kwik-Sleeve
Front
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FEL-PRO Fits: all 1990 Prelude engines 16275
🇺🇸 US 🇨🇦 CA
RearUse with Installation tool
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SCHAEFFLER Fits: all 1990 Prelude engines SR3476
🇺🇸 US 🇨🇦 CA
Front16.99 mm Width
Fitment notes — SCHAEFFLER SR3476
Front16.99 mm Width38 MM Outside Diameter
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SKF Fits: all 1990 Prelude engines 99313
🇺🇸 US 🇨🇦 CA
Rear
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TIMKEN Fits: all 1990 Prelude engines KWK99315
🇺🇸 US 🇨🇦 CA
Kwik-Sleeve
Fitment notes — TIMKEN KWK99315
Kwik-Sleeve
Rear
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WJB / INMOTION PARTS Fits: all 1990 Prelude engines WS99317
🇺🇸 US 🇨🇦 CA
Rear
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This table covers the sleeves used to restore a grooved crankshaft seal surface.

Crankshaft Seal

Brand Part Number Markets Notes Buy
APEX Popular Fits: all 1990 Prelude engines ABS100
🇺🇸 US 🇨🇦 CA
Rear
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FEL-PRO Popular Fits: all 1990 Prelude engines BS40430
🇺🇸 US 🇨🇦 CA
Rubber
Fitment notes — FEL-PRO BS40430
Rubber
Rear1 Piece
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MAHLE / CLEVITE Popular Fits: all 1990 Prelude engines 67121
🇺🇸 US 🇨🇦 CA
RubberFront
Fitment notes — MAHLE / CLEVITE 67121
RubberFrontRear
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NATIONAL Popular Fits: all 1990 Prelude engines 228015
🇺🇸 US 🇨🇦 CA
Rear
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VICTOR REINZ Popular Fits: 2.0L L4 DOHC 181007301
🇺🇸 US 🇨🇦 CA
SetRubber
Fitment notes — VICTOR REINZ 181007301
SetRubberRear
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AJUSA Fits: all 1990 Prelude engines 15061500
🇺🇸 US 🇨🇦 CA
Rear80 x 100 x 10
Fitment notes — AJUSA 15061500
Rear80 x 100 x 10Clockwise
Rear80 x 100 x 10Engine # B20A3,B20A4
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APEX Fits: all 1990 Prelude engines ATC1091
🇺🇸 US 🇨🇦 CA
Frontwithout Dust Seals
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APEX Fits: 2.0L L4 DOHC ATC1122
🇺🇸 US 🇨🇦 CA
Frontwith Dust seals
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APEX Fits: 2.0L L4 SOHC ATC1092
🇺🇸 US 🇨🇦 CA
Frontwith Dust seals
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BCA Fits: all 1990 Prelude engines NS228015
🇺🇸 US 🇨🇦 CA
Rear
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ELRING Fits: 2.0L L4 SOHC 468670
🇺🇸 US 🇨🇦 CA
Dust Cover: with Dust LipMaterial: FPM (Fluoride Rubber)
Fitment notes — ELRING 468670
Dust Cover: with Dust LipMaterial: FPM (Fluoride Rubber)Outer Diameter [mm]: 100Radial Shaft Seal Design: ASSwirl Type: Right-hand Twist
Body code: BA4
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FEL-PRO Fits: all 1990 Prelude engines TCS458731
🇺🇸 US 🇨🇦 CA
Frontwithout Dust Seals
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FEL-PRO Fits: 2.0L L4 SOHC TCS45873
🇺🇸 US 🇨🇦 CA
SOHCCrankshaft Front Seal Set
Fitment notes — FEL-PRO TCS45873
SOHCCrankshaft Front Seal Setwith Dust sealsFront
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ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines 1500910
🇺🇸 US 🇨🇦 CA
Rear
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SCHAEFFLER Fits: all 1990 Prelude engines SS3346
🇺🇸 US 🇨🇦 CA
Sealing Material: Viton
Fitment notes — SCHAEFFLER SS3346
Sealing Material: Viton
Rear3.94" O.D. X 0.39" Width
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SCHAEFFLER Fits: all 1990 Prelude engines SS3342
🇺🇸 US 🇨🇦 CA
Sealing Material: Silicone
Fitment notes — SCHAEFFLER SS3342
Sealing Material: Silicone
Rear3.94" O.D. X 0.39" Width
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SKF Fits: all 1990 Prelude engines 31511
🇺🇸 US 🇨🇦 CA
Rear
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TIMKEN Fits: all 1990 Prelude engines 228015
🇺🇸 US 🇨🇦 CA
Helix Type: CW-Clock Wise
Fitment notes — TIMKEN 228015
Helix Type: CW-Clock Wise
Rear
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VICTOR REINZ Fits: all 1990 Prelude engines 815332300
🇺🇸 US 🇨🇦 CA
Rear
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WJB / INMOTION PARTS Fits: all 1990 Prelude engines WS1120
🇺🇸 US 🇨🇦 CA
Front
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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 Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: all 1990 Prelude engines 9124PT1
🇺🇸 US 🇨🇦 CA
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APEX Fits: all 1990 Prelude engines AHG109
🇺🇸 US 🇨🇦 CA
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ELRING Fits: 2.0L L4 SOHC 704620
🇺🇸 US 🇨🇦 CA
Diameter [MM]: 82
Fitment notes — ELRING 704620
Diameter [MM]: 82
Body code: BA4
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MAHLE / CLEVITE Fits: all 1990 Prelude engines 5823
🇺🇸 US 🇨🇦 CA
Graphite
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TOPLINE Fits: all 1990 Prelude engines HDGH19
🇺🇸 US 🇨🇦 CA
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VICTOR REINZ Fits: 2.0L L4 DOHC 615237500
🇺🇸 US 🇨🇦 CA
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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
APEX Popular Fits: 2.0L L4 DOHC AHS1012
🇺🇸 US 🇨🇦 CA
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APEX Popular Fits: 2.0L L4 SOHC AHS1009
🇺🇸 US 🇨🇦 CA
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ENGINETECH Popular Fits: 2.0L L4 DOHC HO20HSE
🇺🇸 US 🇨🇦 CA
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ENGINETECH Popular Fits: 2.0L L4 SOHC HO20HSD
🇺🇸 US 🇨🇦 CA
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FEL-PRO Fits: 2.0L L4 SOHC HS9124PT2
🇺🇸 US 🇨🇦 CA
Includes Valve Stem SealsPermadry® molded rubber valve cover gskt. incl.
Fitment notes — FEL-PRO HS9124PT2
Includes Valve Stem SealsPermadry® molded rubber valve cover gskt. incl.
2.0 SEXH. Pipe To Muffler Gasket. not included.
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC 0910945
🇺🇸 US 🇨🇦 CA
Set
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC 0910938
🇺🇸 US 🇨🇦 CA
Set
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MAHLE / CLEVITE Fits: 2.0L L4 DOHC HS5823X
🇺🇸 US 🇨🇦 CA
Includes Valve Stem Seals
Fitment notes — MAHLE / CLEVITE HS5823X
Includes Valve Stem Seals
Exhaust Pipe Gasket Not Included
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OMNI 5 Fits: 2.0L L4 SOHC PWC10938
🇺🇸 US 🇨🇦 CA
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TOPLINE Fits: 2.0L L4 DOHC HSH19L
🇺🇸 US 🇨🇦 CA
Includes Valve Stem Seals
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TOPLINE Fits: 2.0L L4 SOHC HSH19
🇺🇸 US 🇨🇦 CA
Includes Valve Stem Seals
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VICTOR REINZ Fits: 2.0L L4 DOHC 025237501
🇺🇸 US 🇨🇦 CA
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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 Repair Sleeve

Brand Part Number Markets Notes Buy
MELLING Fits: all 1990 Prelude engines CSL105
🇺🇸 US 🇨🇦 CA
3/32 IN Wall Thickness
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MELLING Fits: all 1990 Prelude engines CSL205
🇺🇸 US 🇨🇦 CA
1/8 IN Wall Thickness
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This table covers the wear sleeves used to restore a Cylinder seal surface.

Engine Kit Gasket Set

Brand Part Number Markets Notes Buy
AJUSA Fits: 2.0L L4 DOHC 50142900
🇺🇸 US 🇨🇦 CA
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AJUSA Fits: 2.0L L4 SOHC 50131100
🇺🇸 US 🇨🇦 CA
Engine # B20A3,B20A4
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APEX Fits: 2.0L L4 DOHC AFS1012
🇺🇸 US 🇨🇦 CA
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APEX Fits: 2.0L L4 SOHC AFS1009
🇺🇸 US 🇨🇦 CA
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC 0900946
🇺🇸 US 🇨🇦 CA
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC 0900942
🇺🇸 US 🇨🇦 CA
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TOPLINE Fits: 2.0L L4 DOHC CGSH19L
🇺🇸 US 🇨🇦 CA
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TOPLINE Fits: 2.0L L4 SOHC CGSH19
🇺🇸 US 🇨🇦 CA
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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.

Exhaust Valve

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 2.0L L4 SOHC EM2533
🇺🇸 US 🇨🇦 CA
.2735 stem1.374 Head
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MELLING Popular Fits: 2.0L L4 DOHC V5196
🇺🇸 US 🇨🇦 CA
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SKP Popular Fits: 2.0L L4 DOHC SKV2547
🇺🇸 US 🇨🇦 CA
Nitrided stemStandard Size
Fitment notes — SKP SKV2547
Nitrided stemStandard Size1.1024" Head Diameter0.2578 Stem Diameter4.1730" O.A.L
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ENGINETECH Fits: 2.0L L4 DOHC EM2493
🇺🇸 US 🇨🇦 CA
.2580 stem1.102 Head
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC RX9368
🇺🇸 US 🇨🇦 CA
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC RX9261
🇺🇸 US 🇨🇦 CA
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QUALCAST Fits: all 1990 Prelude engines 1010196
🇺🇸 US 🇨🇦 CA
1.102 Head Diameter.
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QUALCAST Fits: all 1990 Prelude engines 1010193
🇺🇸 US 🇨🇦 CA
1.376 Head Diameter.
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SBI Fits: 2.0L L4 DOHC 10196
🇺🇸 US 🇨🇦 CA
2.0 Si
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TOPLINE Fits: 2.0L L4 DOHC EVH19
🇺🇸 US 🇨🇦 CA
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TOPLINE Fits: 2.0L L4 DOHC EVH18L
🇺🇸 US 🇨🇦 CA
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TOPLINE Fits: 2.0L L4 SOHC EVH15
🇺🇸 US 🇨🇦 CA
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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
MELLING Fits: all 1990 Prelude engines MPE189R
🇺🇸 US 🇨🇦 CA
Steel
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MELLING Fits: all 1990 Prelude engines MPE189BR
🇺🇸 US 🇨🇦 CA
Brass
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QUALCAST Fits: all 1990 Prelude engines 97110B
🇺🇸 US 🇨🇦 CA
Brass
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QUALCAST Fits: all 1990 Prelude engines 97110
🇺🇸 US 🇨🇦 CA
Steel
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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.

Intake Manifold Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: all 1990 Prelude engines MS94121
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — FEL-PRO MS94121
Set
Lower and Upper
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AJUSA Fits: 2.0L L4 DOHC 13110500
🇺🇸 US 🇨🇦 CA
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AJUSA Fits: 2.0L L4 SOHC 13097400
🇺🇸 US 🇨🇦 CA
Engine # B20A3,B20A4
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APEX Fits: all 1990 Prelude engines AMS1091
🇺🇸 US 🇨🇦 CA
Set
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC 0950969
🇺🇸 US 🇨🇦 CA
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC 0950970
🇺🇸 US 🇨🇦 CA
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VICTOR REINZ Fits: 2.0L L4 DOHC 111099801
🇺🇸 US 🇨🇦 CA
Set
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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 Valve

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 2.0L L4 DOHC IM2454
🇺🇸 US 🇨🇦 CA
.2587 stem1.300 Head
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MELLING Popular Fits: 2.0L L4 SOHC V5192
🇺🇸 US 🇨🇦 CA
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SBI Popular Fits: 2.0L L4 DOHC 10195
🇺🇸 US 🇨🇦 CA
2.0 Si
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ENGINETECH Fits: 2.0L L4 SOHC IM2538
🇺🇸 US 🇨🇦 CA
.2579 stem1.181 Head
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC RV35031
🇺🇸 US 🇨🇦 CA
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC RV9262
🇺🇸 US 🇨🇦 CA
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QUALCAST Fits: all 1990 Prelude engines 1010192
🇺🇸 US 🇨🇦 CA
1.180 Head Diameter.
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QUALCAST Fits: all 1990 Prelude engines 1010195
🇺🇸 US 🇨🇦 CA
1.299 Head Diameter.
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TOPLINE Fits: 2.0L L4 DOHC IVH19
🇺🇸 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: all 1990 Prelude engines 8030
🇺🇸 US 🇨🇦 CA
FrontManual trans.
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DEA / MARMON RIDE CONTROL Popular Fits: all 1990 Prelude engines A6525
🇺🇸 US 🇨🇦 CA
RearManual trans.
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WESTAR Popular Fits: all 1990 Prelude engines EM8008
🇺🇸 US 🇨🇦 CA
RearManual trans.
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ANCHOR Fits: all 1990 Prelude engines 8008
🇺🇸 US 🇨🇦 CA
RearAutomatic trans.
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ANCHOR Fits: all 1990 Prelude engines 8987
🇺🇸 US 🇨🇦 CA
LeftAutomatic trans.
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DEA / MARMON RIDE CONTROL Fits: all 1990 Prelude engines A6529
🇺🇸 US 🇨🇦 CA
Front Right
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DEA / MARMON RIDE CONTROL Fits: all 1990 Prelude engines A6548
🇺🇸 US 🇨🇦 CA
RearAutomatic trans.
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PIONEER Fits: all 1990 Prelude engines 602893
🇺🇸 US 🇨🇦 CA
RearManual trans.
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PIONEER Fits: all 1990 Prelude engines 601036
🇺🇸 US 🇨🇦 CA
Front Right
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WESTAR Fits: all 1990 Prelude engines EM8030
🇺🇸 US 🇨🇦 CA
Front RightManual trans.
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WESTAR Fits: all 1990 Prelude engines EM8497
🇺🇸 US 🇨🇦 CA
Front RightAutomatic trans.
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WESTAR Fits: all 1990 Prelude engines EM5510
🇺🇸 US 🇨🇦 CA
Front Left
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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.

Oil

Summary: Notes list SAE 5W-30 and SAE 10W-30. Confirm the engine and the weight on the filler cap before you buy. Both engines share the same viscosities. Replacement brands in this table include MOBIL, VALVOLINE and IDEMITSU.

Full Synthetic

Brand Part Number Markets Notes Buy
MOBIL Popular Fits: all 1990 Prelude engines 125195
🇺🇸 US 🇨🇦 CA
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: all 1990 Prelude engines 124315
🇺🇸 US 🇨🇦 CA
5W-30Mobil 1 Advanced
Fitment notes — MOBIL 124315
5W-30Mobil 1 AdvancedFull SyntheticSAE 5W-301 Quart
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MOBIL Fits: all 1990 Prelude engines 122319
🇺🇸 US 🇨🇦 CA
10W-30Mobil 1 Advanced
Fitment notes — MOBIL 122319
10W-30Mobil 1 AdvancedFull SyntheticSAE 10W-301 Quart
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MOBIL Fits: all 1990 Prelude engines 102990
🇺🇸 US 🇨🇦 CA
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: all 1990 Prelude engines 112627
🇺🇸 US 🇨🇦 CA
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: all 1990 Prelude engines VV955
🇺🇸 US 🇨🇦 CA
Advanced Protection Full Synthetic SAE 5W-301 Quart
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VALVOLINE Fits: all 1990 Prelude engines 881164
🇺🇸 US 🇨🇦 CA
Advanced Protection Full Synthetic SAE 5W-30Easy Pour 5 Quart
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High Mileage (>75,000 Miles)

Brand Part Number Markets Notes Buy
VALVOLINE Popular Fits: all 1990 Prelude engines VV1556
🇺🇸 US 🇨🇦 CA
Max Life High Mileage Synthetic Blend SAE 5W-301 Quart
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MOBIL Fits: all 1990 Prelude engines 125201
🇺🇸 US 🇨🇦 CA
Full Synthetic High Mileage 5W-301 Quart
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MOBIL Fits: all 1990 Prelude engines 123842
🇺🇸 US 🇨🇦 CA
Extended Performance High Mileage 5W-30Synthetic
Fitment notes — MOBIL 123842
Extended Performance High Mileage 5W-30Synthetic1 Quart
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MOBIL Fits: all 1990 Prelude engines 103535
🇺🇸 US 🇨🇦 CA
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: all 1990 Prelude engines 103767
🇺🇸 US 🇨🇦 CA
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: all 1990 Prelude engines VV179
🇺🇸 US 🇨🇦 CA
Full Synthetic High Mileage with Max Life Technology SAE 5W-301 Quart
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VALVOLINE Fits: all 1990 Prelude engines 881163
🇺🇸 US 🇨🇦 CA
Max Life High Mileage Synthetic Blend SAE 5W-30Easy Pour 5 Quart
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VALVOLINE Fits: all 1990 Prelude engines 881169
🇺🇸 US 🇨🇦 CA
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: all 1990 Prelude engines 30018100750
🇺🇸 US
10W30 Rotary Racing Oil1 Quart
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IDEMITSU Fits: all 1990 Prelude engines 30018101750
🇺🇸 US
20W50 Rotary Racing Oil1 Quart
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Synthetic Blend

Brand Part Number Markets Notes Buy
MOBIL Popular Fits: all 1990 Prelude engines 124406
🇺🇸 US 🇨🇦 CA
Super 10W-30Mobil Super
Fitment notes — MOBIL 124406
Super 10W-30Mobil SuperSynthetic BlendSAE 10W-305 Quart
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MOBIL Popular Fits: all 1990 Prelude engines 124407
🇺🇸 US 🇨🇦 CA
Super 5W-30Mobil Super
Fitment notes — MOBIL 124407
Super 5W-30Mobil SuperSynthetic BlendSAE 5W-305 Quart
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VALVOLINE Fits: all 1990 Prelude engines 797975
🇺🇸 US 🇨🇦 CA
Daily Protection SAE 5W-30 Synthetic Blend1 Quart
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VALVOLINE Fits: all 1990 Prelude engines 881159
🇺🇸 US 🇨🇦 CA
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: all 1990 Prelude engines 238
🇺🇸 US 🇨🇦 CA
Rubber Block Mounting Kit for Heavy Duty Oil Cooler
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HAYDEN Fits: all 1990 Prelude engines 153
🇺🇸 US 🇨🇦 CA
Metal Mounting Bracket Kit for Heavy Duty Oil Cooler
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This table covers the Oil Cooler Mounting kits.

Oil Drain Plug

Piggyback

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1990 Prelude engines 65229
🇺🇸 US 🇨🇦 CA
M14-1.50Piggy-Back
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Twist Drain

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1990 Prelude engines 092020
🇺🇸 US 🇨🇦 CA
Thread Size: M14-1.50Twist Style
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Universal

Brand Part Number Markets Notes Buy
DORMAN Fits: all 1990 Prelude engines 65102
🇺🇸 US 🇨🇦 CA
M14-1.50Rubber
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Brand Part Number Markets Notes Buy
AGS Popular Fits: all 1990 Prelude engines ODP00007
🇺🇸 US 🇨🇦 CA
M14x1.50
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DORMAN Popular Fits: all 1990 Prelude engines 090053
🇺🇸 US 🇨🇦 CA
MetalPilot Point
Fitment notes — DORMAN 090053
MetalPilot PointM14-1.50Head Size 16MM
M14 x 1.50 Thread
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DORMAN Popular Fits: all 1990 Prelude engines 090075
🇺🇸 US 🇨🇦 CA
StandardM14-1.50
Fitment notes — DORMAN 090075
StandardM14-1.50Head Size 17MM
.4" LengthM14 x 1.50 Thread
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BECK/ARNLEY Fits: all 1990 Prelude engines 0160088
🇺🇸 US 🇨🇦 CA
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DORMAN Fits: all 1990 Prelude engines 090082
🇺🇸 US 🇨🇦 CA
M14-1.50Single Oversize
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ELRING Fits: 2.0L L4 SOHC 523500
🇺🇸 US 🇨🇦 CA
with Seal RingBolt Head-/Nut Design: Male Hex
Fitment notes — ELRING 523500
with Seal RingBolt Head-/Nut Design: Male HexThread Size: M14X1,5x15
Body code: BA4
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ELRING Fits: 2.0L L4 SOHC 523480
🇺🇸 US 🇨🇦 CA
without Seal RingThread Size: M14X1,5x15
Fitment notes — ELRING 523480
without Seal RingThread Size: M14X1,5x15
Body code: BA4
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SKP Fits: all 1990 Prelude engines SK090053CD
🇺🇸 US 🇨🇦 CA
Metal
Fitment notes — SKP SK090053CD
Metal
Fits:
M14 x 1.50 Threador 16 MM HeadPilot PointShank Length: 0.85"or Multi-Fit
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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: all 1990 Prelude engines 095144
🇺🇸 US 🇨🇦 CA
Aluminum
Fitment notes — DORMAN 095144
Aluminum
M14 Drain Plug
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AJUSA Fits: all 1990 Prelude engines 22007400
🇺🇸 US 🇨🇦 CA
Engine # B20A3,B20A4
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ELRING Fits: 2.0L L4 SOHC 243600
🇺🇸 US 🇨🇦 CA
Material: Aluminium
Fitment notes — ELRING 243600
Material: Aluminium
Body code: BA4
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ULTRA-POWER Fits: all 1990 Prelude engines 095015
🇺🇸 US 🇨🇦 CA
ID: 0.572"aluminum Gasket
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ULTRA-POWER Fits: all 1990 Prelude engines 095144
🇺🇸 US 🇨🇦 CA
Aluminum Gasket
Fitment notes — ULTRA-POWER 095144
Aluminum Gasket
ID: 0.54"
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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
BECK/ARNLEY Fits: all 1990 Prelude engines 0160125
🇺🇸 US 🇨🇦 CA
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GATES Fits: all 1990 Prelude engines 31109
🇺🇸 US 🇨🇦 CA
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MOTORAD Fits: all 1990 Prelude engines MO81
🇺🇸 US 🇨🇦 CA
Gasket or Seal Pre-Installed: Yes
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SKP Fits: all 1990 Prelude engines SKMO81
🇺🇸 US 🇨🇦 CA
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This table covers the caps on the oil filler neck.

Oil Filter

Economy

Brand Part Number Markets Notes Buy
BOSCH Fits: all 1990 Prelude engines 72228WS
🇺🇸 US 🇨🇦 CA
Workshop Oil Filter
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FRAM Fits: all 1990 Prelude engines FE9688
🇺🇸 US 🇨🇦 CA
Spin-OnTough Guard or Synthetic Endurance
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FVP Fits: all 1990 Prelude engines R1334A
🇺🇸 US 🇨🇦 CA
Spin-On Filter
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PRO-TEC Fits: all 1990 Prelude engines PXL51334
🇺🇸 US 🇨🇦 CA
Spin-On Filter
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VARIOUS MFR Fits: all 1990 Prelude engines PO4459HN2
🇺🇸 US 🇨🇦 CA
OE Style
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VARIOUS MFR Fits: all 1990 Prelude engines PG4459
🇺🇸 US 🇨🇦 CA
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High Performance / Heavy Duty

Brand Part Number Markets Notes Buy
WIX Popular Fits: all 1990 Prelude engines 51334XP
🇺🇸 US 🇨🇦 CA
XP Extreme DutyBest for Synthetic Motor Oils
Fitment notes — WIX 51334XP
XP Extreme DutyBest for Synthetic Motor OilsSpin-On Filter
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MOBIL Fits: all 1990 Prelude engines M1104A
🇺🇸 US 🇨🇦 CA
Extended Performance
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Standard Replacement

Brand Part Number Markets Notes Buy
BOSCH Popular Fits: all 1990 Prelude engines 3312
🇺🇸 US 🇨🇦 CA
Premium Oil FilterConnection Size: M20X1.5
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DENSO Popular Fits: all 1990 Prelude engines 1502043
🇺🇸 US 🇨🇦 CA
Engine Oil Filter or FTF Engine Oil Filter
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WIX Popular Fits: all 1990 Prelude engines 51334
🇺🇸 US 🇨🇦 CA
Bypass Relief Valve Setting: 8-11 PSISpin-On Filter
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ACDELCO Fits: 2.0L L4 SOHC PF1127
🇺🇸 US 🇨🇦 CA
GM Original EquipmentGasket Inner Diameter (mm): 54.6mm
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BECK/ARNLEY Fits: all 1990 Prelude engines 0418163
🇺🇸 US 🇨🇦 CA
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HASTINGS / BALDWIN Fits: all 1990 Prelude engines LF240
🇺🇸 US 🇨🇦 CA
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MAHLE / CLEVITE Fits: all 1990 Prelude engines OC1673
🇺🇸 US 🇨🇦 CA
Spin-On
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MANN Fits: all 1990 Prelude engines W81180
🇺🇸 US 🇨🇦 CA
Anti-Drain Back Valve: YESBypass Relief Valve Setting: 15 PSI
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MOTORCRAFT Fits: all 1990 Prelude engines FL810A
🇺🇸 US 🇨🇦 CA
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VARIOUS MFR Fits: all 1990 Prelude engines PG4459EX
🇺🇸 US 🇨🇦 CA
Extended Life
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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 Support Tube

Brand Part Number Markets Notes Buy
AUTOTECNICA Fits: all 1990 Prelude engines HA1416938
🇺🇸 US 🇨🇦 CA
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This table covers the Oil Filter Support tubes.

Oil Pan Gasket

Brand Part Number Markets Notes Buy
APEX Fits: all 1990 Prelude engines AOP109
🇺🇸 US 🇨🇦 CA
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FEL-PRO Fits: all 1990 Prelude engines OS30598R
🇺🇸 US 🇨🇦 CA
Permadry
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ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines 0990917
🇺🇸 US 🇨🇦 CA
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VICTOR REINZ Fits: 2.0L L4 DOHC 715236900
🇺🇸 US 🇨🇦 CA
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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.

Piston

Brand Part Number Markets Notes Buy
ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC RY6399
🇺🇸 US 🇨🇦 CA
Compression Ratio 9:1-81mm
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC RY6398
🇺🇸 US 🇨🇦 CA
Compression Ratio 9.1:1-81mm
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TOPLINE Fits: 2.0L L4 DOHC PAH19L
🇺🇸 US 🇨🇦 CA
Includes RingsSet
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TOPLINE Fits: 2.0L L4 SOHC PAH19
🇺🇸 US 🇨🇦 CA
Includes RingsSet
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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

Brand Part Number Markets Notes Buy
HASTINGS MANUFACTURING Popular Fits: all 1990 Prelude engines 2C4684
🇺🇸 US 🇨🇦 CA
Full SetTop Ring Surface Treatment: Chrome
Fitment notes — HASTINGS MANUFACTURING 2C4684
Full SetTop Ring Surface Treatment: Chromefor 2 Ring PistonTop Groove:1.20 mm2nd Groove:1.50 mm1ST Oil Groove:2.80 mm
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HASTINGS MANUFACTURING Fits: all 1990 Prelude engines 2C4684S
🇺🇸 US 🇨🇦 CA
Chrome Top Ring1 Cylinder Set
Fitment notes — HASTINGS MANUFACTURING 2C4684S
Chrome Top Ring1 Cylinder SetFor 2 Ring PistonTop Groove:1.20 mm2nd Groove:1.50 mm1st Oil Groove:2.80 mm
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HASTINGS MANUFACTURING Fits: all 1990 Prelude engines 2C4658
🇺🇸 US 🇨🇦 CA
Full SetTop Groove: 1.20 mm
Fitment notes — HASTINGS MANUFACTURING 2C4658
Full SetTop Groove: 1.20 mm2nd Groove: 1.50 mm1ST Oil Groove: 2.80 mmTop Ring Surface Treatment: Chrome
Engine. Bore (in.): 3.189
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ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines 0216262
🇺🇸 US 🇨🇦 CA
Set1.2 X 1.5 X 2.8mm
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TOPLINE Fits: all 1990 Prelude engines RSH19
🇺🇸 US 🇨🇦 CA
Set
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This table covers the rings that seal each piston to the cylinder wall.

Rocker Arm

Brand Part Number Markets Notes Buy
TOPLINE Fits: 2.0L L4 DOHC RAH19
🇺🇸 US 🇨🇦 CA
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TOPLINE Fits: 2.0L L4 SOHC RAH15A
🇺🇸 US 🇨🇦 CA
(rockers sold In pairs only)
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TOPLINE Fits: 2.0L L4 SOHC RAH15B
🇺🇸 US 🇨🇦 CA
(rockers sold In pairs only)
View on
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This table covers the rocker arms that transfer cam motion to the valves.

Thrust Washer

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: all 1990 Prelude engines TW1516
🇺🇸 US 🇨🇦 CA
(Size: Standard)
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MAHLE / CLEVITE Popular Fits: all 1990 Prelude engines TW473S
🇺🇸 US 🇨🇦 CA
Contains 2 Pieces, Position Number 4 Use with Part Number MS-1804A, MS-1804P, MS-2095P, MS-2355A
Fitment notes — MAHLE / CLEVITE TW473S
Contains 2 Pieces, Position Number 4 Use with Part Number MS-1804A, MS-1804P, MS-2095P, MS-2355A
Position: 4Position Number 4 Use with Part Number MS-1804A, MS-1804P, MS-2095P, MS-2355A (Size: Standard)
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ENGINE PRO Fits: all 1990 Prelude engines 13473S
🇺🇸 US 🇨🇦 CA
Contains 2 Pieces, Position 4Original Equipment Replacement
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ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines 1T1001
🇺🇸 US 🇨🇦 CA
(Size: Standard)
Fitment notes — ITM ENGINE COMPONENTS 1T1001
(Size: Standard)
2.0 S (Size: Standard)
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KING ENGINE BEARINGS Fits: all 1990 Prelude engines TW140AM
🇺🇸 US 🇨🇦 CA
BI-Metal (aluminum base)
Fitment notes — KING ENGINE BEARINGS TW140AM
BI-Metal (aluminum base)
(Size: Standard)
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SEALED POWER Fits: all 1990 Prelude engines 1826AF
🇺🇸 US 🇨🇦 CA
(Size: Standard)
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This table covers the Thrust washers.

Timing Belt

Economy

Brand Part Number Markets Notes Buy
CLOYES Popular Fits: 2.0L L4 SOHC B144
🇺🇸 US 🇨🇦 CA
SOHCB20A3 Engine
Fitment notes — CLOYES B144
SOHCB20A3 EnginePitch: 3/8"Teeth: 107Width: 0.945"
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CADNA Fits: 2.0L L4 SOHC TB144
🇺🇸 US 🇨🇦 CA
2.0 SINTERFERENCE Engine
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CONTINENTAL Fits: 2.0L L4 SOHC TB144
🇺🇸 US 🇨🇦 CA
AT CAMSHAFT
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC 4276
🇺🇸 US 🇨🇦 CA
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC 4275
🇺🇸 US 🇨🇦 CA
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ULTRA-POWER Fits: 2.0L L4 DOHC T142
🇺🇸 US 🇨🇦 CA
Fits 2.0 Sior SR
Fitment notes — ULTRA-POWER T142
Fits:
2.0 Sior SR
or:
Interference Engine
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High Performance

Brand Part Number Markets Notes Buy
GATES Popular Fits: 2.0L L4 DOHC T142RB
🇺🇸 US 🇨🇦 CA
High Performance
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Standard Replacement

Brand Part Number Markets Notes Buy
GATES Popular Fits: 2.0L L4 DOHC T142
🇺🇸 US 🇨🇦 CA
Power Grip
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GATES Popular Fits: 2.0L L4 SOHC T144
🇺🇸 US 🇨🇦 CA
Power Grip
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ACDELCO Fits: 2.0L L4 DOHC TB142
🇺🇸 US 🇨🇦 CA
Professional / Gold
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BANDO Fits: 2.0L L4 DOHC TB142
🇺🇸 US 🇨🇦 CA
Camshaft
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BANDO Fits: 2.0L L4 SOHC TB144
🇺🇸 US 🇨🇦 CA
Camshaft
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CONTINENTAL Fits: 2.0L L4 SOHC 40144
🇺🇸 US 🇨🇦 CA
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MELLING Fits: 2.0L L4 SOHC B0144
🇺🇸 US 🇨🇦 CA
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SEALED POWER Fits: 2.0L L4 SOHC 222144
🇺🇸 US 🇨🇦 CA
12 VALVEB20A3 Engine
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TOPLINE Fits: 2.0L L4 DOHC TBH19L
🇺🇸 US 🇨🇦 CA
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TOPLINE Fits: 2.0L L4 SOHC TBH19
🇺🇸 US 🇨🇦 CA
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This table covers the Timing belts. Typical signs include squeal on cold start, cracked ribs, or glazing. Spin the tensioner and idlers by hand while the belt is off.

Timing Belt & Component Kit

Economy

Brand Part Number Markets Notes Buy
ULTRA-POWER Fits: 2.0L L4 DOHC TCK142
🇺🇸 US 🇨🇦 CA
Fits 2.0 Sior SR
Fitment notes — ULTRA-POWER TCK142
Fits:
2.0 Sior SR
or:
INTERFERENCE Engine
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Standard Replacement

Brand Part Number Markets Notes Buy
GATES Popular Fits: 2.0L L4 DOHC TCKWP142
🇺🇸 US 🇨🇦 CA
Power Gripwith Water Pump
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CONTINENTAL Fits: 2.0L L4 DOHC TB142K1
🇺🇸 US 🇨🇦 CA
Kit
Fitment notes — CONTINENTAL TB142K1
Kit
2.0 Si
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GMB Fits: 2.0L L4 DOHC 24350142
🇺🇸 US 🇨🇦 CA
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US MOTOR WORKS Fits: 2.0L L4 DOHC USTK142
🇺🇸 US 🇨🇦 CA
2.0 SiB20A5 Engine
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Brand Part Number Markets Notes Buy
GATES Fits: 2.0L L4 SOHC TCK144
🇺🇸 US 🇨🇦 CA
Power Grip
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GMB Fits: 2.0L L4 SOHC 24350144
🇺🇸 US 🇨🇦 CA
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GMB Fits: 2.0L L4 SOHC 34350144
🇺🇸 US 🇨🇦 CA
Includes Water Pump
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US MOTOR WORKS Fits: 2.0L L4 SOHC USTK144
🇺🇸 US 🇨🇦 CA
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This table covers the Timing Belt & component kits.

Timing Belt Tensioner

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: all 1990 Prelude engines T41019
🇺🇸 US 🇨🇦 CA
Professional / GoldSteel Smooth/Backside (55mm x Slotted x 28mm)
Fitment notes — ACDELCO T41019
Professional / GoldSteel Smooth/Backside (55mm x Slotted x 28mm)
Interference engine application
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GMB Popular Fits: all 1990 Prelude engines 4358650
🇺🇸 US 🇨🇦 CA
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DAYCO Fits: all 1990 Prelude engines 84036
🇺🇸 US 🇨🇦 CA
Includes: Camshaft Belt Tensioner
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INA Fits: 2.0L L4 SOHC ZT9202
🇺🇸 US 🇨🇦 CA
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ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines 60208
🇺🇸 US 🇨🇦 CA
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S.A. GEAR Fits: 2.0L L4 SOHC 9202
🇺🇸 US 🇨🇦 CA
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TOPLINE Fits: 2.0L L4 DOHC BTH19
🇺🇸 US 🇨🇦 CA
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This table covers the Timing Belt tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage.

Timing Cover Repair Sleeve

Brand Part Number Markets Notes Buy
SKF Fits: all 1990 Prelude engines 99147
🇺🇸 US 🇨🇦 CA
Shaft Diameter: 1.496 In
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This table covers the wear sleeves used to restore a Timing Cover seal surface.

Timing Cover Seal

Brand Part Number Markets Notes Buy
ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines 1500913
🇺🇸 US 🇨🇦 CA
TC
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MAHLE / CLEVITE Fits: all 1990 Prelude engines JV1077
🇺🇸 US 🇨🇦 CA
Rubber
Fitment notes — MAHLE / CLEVITE JV1077
Rubber
Front
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SKF Fits: all 1990 Prelude engines 14759
🇺🇸 US 🇨🇦 CA
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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.

Valve Cover Bolt Seal

Brand Part Number Markets Notes Buy
JAPANESE OE Fits: 2.0L L4 DOHC KF81184
🇺🇸 US 🇨🇦 CA
KPO-Ring
Fitment notes — JAPANESE OE KF81184
KPO-Ring
Small
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This table covers the seals at the Valve Cover Bolt. 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.

Valve Cover Gasket

Brand Part Number Markets Notes Buy
AJUSA Popular Fits: 2.0L L4 DOHC 56005900
🇺🇸 US 🇨🇦 CA
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FEL-PRO Popular Fits: 2.0L L4 DOHC VS50391R
🇺🇸 US 🇨🇦 CA
Perma Dry Molded RubberIncludes Spark Plug Tube Seals and Valve Cover Grommets
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FEL-PRO Popular Fits: 2.0L L4 SOHC VS50394R
🇺🇸 US 🇨🇦 CA
Permadry Molded RubberIncludes Valve Cover Grommets
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VICTOR REINZ Popular Fits: 2.0L L4 SOHC 715236100
🇺🇸 US 🇨🇦 CA
Valve Cover Grommets Not Included
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APEX Fits: 2.0L L4 DOHC AVC112
🇺🇸 US 🇨🇦 CA
without Grommets and Spark Plug Tube Seals
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APEX Fits: 2.0L L4 DOHC AVC112S
🇺🇸 US 🇨🇦 CA
Includes Grommets & Spark Plug Tube Seals
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APEX Fits: 2.0L L4 SOHC AVC107
🇺🇸 US 🇨🇦 CA
Does Not Include Grommets
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APEX Fits: 2.0L L4 SOHC AVC107S
🇺🇸 US 🇨🇦 CA
Includes Grommets
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BECK/ARNLEY Fits: 2.0L L4 SOHC 0361454
🇺🇸 US 🇨🇦 CA
2.0 S
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ELRING Fits: 2.0L L4 SOHC 597430
🇺🇸 US 🇨🇦 CA
Material: Ethylene Acrylic Elastomer (AEM)
Fitment notes — ELRING 597430
Material: Ethylene Acrylic Elastomer (AEM)
Body code: BA4
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ELRING Fits: 2.0L L4 SOHC 704610
🇺🇸 US 🇨🇦 CA
Body code: BA4
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FEL-PRO Fits: 2.0L L4 DOHC VS50327R
🇺🇸 US 🇨🇦 CA
Permadry RubberDoes Not Include Spark Plug Tube Seals
Fitment notes — FEL-PRO VS50327R
Permadry RubberDoes Not Include Spark Plug Tube SealsValve Cover Grommets Not Included
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FEL-PRO Fits: 2.0L L4 SOHC VS50241R
🇺🇸 US 🇨🇦 CA
Permadry RubberValve Cover Grommets Not Included
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC 0930923
🇺🇸 US 🇨🇦 CA
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MAHLE / CLEVITE Fits: 2.0L L4 DOHC VS50075
🇺🇸 US 🇨🇦 CA
SetMolded Rubber
Fitment notes — MAHLE / CLEVITE VS50075
SetMolded RubberIncludes Spark Plug Tube Seals
Washers
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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
FEL-PRO Popular Fits: 2.0L L4 SOHC ES70337
🇺🇸 US 🇨🇦 CA
Set
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APEX Fits: 2.0L L4 SOHC AES100
🇺🇸 US 🇨🇦 CA
Set
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BECK/ARNLEY Fits: 2.0L L4 DOHC 0396611
🇺🇸 US 🇨🇦 CA
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BECK/ARNLEY Fits: 2.0L L4 SOHC 0396607
🇺🇸 US 🇨🇦 CA
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JAPANESE OE Fits: 2.0L L4 SOHC KF81126
🇺🇸 US 🇨🇦 CA
KPSet
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VICTOR REINZ Fits: all 1990 Prelude engines 151081601
🇺🇸 US 🇨🇦 CA
Set
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This table covers the Valve Cover grommets.

Valve Guide

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 2.0L L4 DOHC GD8155
🇺🇸 US 🇨🇦 CA
Iron
Fitment notes — ENGINETECH GD8155
Iron
Exhaust.2605 X .4765 X 1.975Plain ID
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ENGINETECH Popular Fits: 2.0L L4 DOHC GD8156
🇺🇸 US 🇨🇦 CA
Iron
Fitment notes — ENGINETECH GD8156
Iron
.2605 X .4765 X 1.770Spiral ID
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SBI Popular Fits: 2.0L L4 DOHC 1408155
🇺🇸 US 🇨🇦 CA
Exhaust2.0 Si
Fitment notes — SBI 1408155
Exhaust2.0 Si0.2605 I.D.0.4765 O.D.1.975 Length6-SR Type
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC VG979CI
🇺🇸 US 🇨🇦 CA
Cast Iron
Fitment notes — ITM ENGINE COMPONENTS VG979CI
Cast Iron
Intake0.2605 I.D.,1.970 Length,0.4755 O.D.
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC VG981CI
🇺🇸 US 🇨🇦 CA
Cast Iron
Fitment notes — ITM ENGINE COMPONENTS VG981CI
Cast Iron
Intake
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC VG981BR
🇺🇸 US 🇨🇦 CA
Bronze
Fitment notes — ITM ENGINE COMPONENTS VG981BR
Bronze
Intake
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ITM ENGINE COMPONENTS Fits: 2.0L L4 DOHC VG979BR
🇺🇸 US 🇨🇦 CA
Bronze
Fitment notes — ITM ENGINE COMPONENTS VG979BR
Bronze
Intake0.2605 I.D.,1.970 Length,0.4755 O.D.
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QUALCAST Fits: 2.0L L4 DOHC 307830
🇺🇸 US 🇨🇦 CA
Intake1.970 OAL.
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QUALCAST Fits: 2.0L L4 DOHC 307710
🇺🇸 US 🇨🇦 CA
Exhaust2.168 OAL.
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QUALCAST Fits: 2.0L L4 DOHC 308155
🇺🇸 US 🇨🇦 CA
Exhaust1.975 OAL
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SBI Fits: 2.0L L4 DOHC 1408156
🇺🇸 US 🇨🇦 CA
Intake2.0 Si
Fitment notes — SBI 1408156
Intake2.0 Si0.2605 I.D.0.4765 O.D.1.770 Length6-SR Type
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TOPLINE Fits: 2.0L L4 DOHC IVGH16
🇺🇸 US 🇨🇦 CA
Intake
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TOPLINE Fits: 2.0L L4 DOHC EVGH16
🇺🇸 US 🇨🇦 CA
Exhaust
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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 Seat

Brand Part Number Markets Notes Buy
SBI Popular Fits: 2.0L L4 DOHC SB125063
🇺🇸 US 🇨🇦 CA
High ChromeFor Aluminum Cylinder Head
Fitment notes — SBI SB125063
High ChromeFor Aluminum Cylinder Head
Exhaust2.0 Si1-1/4 O.D.0.930 I.D.0.3250 Depth
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QUALCAST Fits: 2.0L L4 DOHC 21125063
🇺🇸 US 🇨🇦 CA
INSERT
Fitment notes — QUALCAST 21125063
INSERT
Exhaust0.930 I.D. 1-1/4 O.D. 0.325 Depth
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QUALCAST Fits: 2.0L L4 DOHC 21150069
🇺🇸 US 🇨🇦 CA
INSERT
Fitment notes — QUALCAST 21150069
INSERT
Exhaust1.255 I.D. 1-1/2 O.D. 0.318 Depth.
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QUALCAST Fits: 2.0L L4 DOHC 21137555
🇺🇸 US 🇨🇦 CA
INSERT
Fitment notes — QUALCAST 21137555
INSERT
Intake1.120 I.D. 1-3/8 O.D. 0.325 Depth.
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SBI Fits: 2.0L L4 DOHC SB137555
🇺🇸 US 🇨🇦 CA
High ChromeFor Aluminum Cylinder Head
Fitment notes — SBI SB137555
High ChromeFor Aluminum Cylinder Head
Intake2.0 Si1-3/8 O.D.1.120 I.D.0.3250 Depth
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This table covers the Valve seats.

Valve Spring

Brand Part Number Markets Notes Buy
BECK/ARNLEY Fits: 2.0L L4 SOHC 0231947
🇺🇸 US 🇨🇦 CA
ExhaustInner
Fitment notes — BECK/ARNLEY 0231947
ExhaustInner2.0S
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC VS1303
🇺🇸 US 🇨🇦 CA
Exhaust Outer
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC VS1304
🇺🇸 US 🇨🇦 CA
Exhaust Inner
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC VS1305
🇺🇸 US 🇨🇦 CA
Intake
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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
ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines 051142
🇺🇸 US 🇨🇦 CA
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This table covers the Valve Spring retainers.

Valve Spring Retainer Keeper

Brand Part Number Markets Notes Buy
SBI Fits: all 1990 Prelude engines 1211054
🇺🇸 US 🇨🇦 CA
Intake or Exhaust2.0 Si
Fitment notes — SBI 1211054
Intake or Exhaust2.0 Si0.2450 Length1 Round bead type0.2515 I.D.
Intake0.2450 Length1 Round bead type0.2515 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
APEX Popular Fits: 2.0L L4 DOHC AVS1012
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — APEX AVS1012
Set
Intake and Exhaust
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APEX Popular Fits: 2.0L L4 SOHC AVS1008
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — APEX AVS1008
Set
Intake and Exhaust
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FEL-PRO Popular Fits: 2.0L L4 DOHC SS725461
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — FEL-PRO SS725461
Set
Intake and Exhaust
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FEL-PRO Popular Fits: 2.0L L4 SOHC SS72615
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — FEL-PRO SS72615
Set
Intake and Exhaust
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ITM ENGINE COMPONENTS Fits: all 1990 Prelude engines SS170
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — ITM ENGINE COMPONENTS SS170
Set
Intake and Exhaust
Intake
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ITM ENGINE COMPONENTS Fits: 2.0L L4 SOHC SS171
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — ITM ENGINE COMPONENTS SS171
Set
Exhaust
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MAHLE / CLEVITE Fits: all 1990 Prelude engines SS45499
🇺🇸 US 🇨🇦 CA
SetMetal with Molded Rubber
Fitment notes — MAHLE / CLEVITE SS45499
SetMetal with Molded Rubber
Intake
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QUALCAST Fits: all 1990 Prelude engines 3897645
🇺🇸 US 🇨🇦 CA
Viton Ring and Spring
Fitment notes — QUALCAST 3897645
Viton Ring and Spring
Exhaust
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SBI Fits: all 1990 Prelude engines 1221136
🇺🇸 US 🇨🇦 CA
Fits Intake and ExhaustViton Material
Fitment notes — SBI 1221136
Fits:
Intake and ExhaustViton MaterialPositive TypeRing & Spring Style6.5 mm Nominal Stem Diameteror Intake or Exhaust2.0 SiViton MaterialPositive TypeRing & Spring Style6.5 mm Nominal Stem Diameter
Intake and ExhaustViton MaterialPositive TypeRing & Spring Style6.5 mm Nominal Stem Diameter
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TOPLINE Fits: 2.0L L4 DOHC VSSH19
🇺🇸 US 🇨🇦 CA
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TOPLINE Fits: 2.0L L4 SOHC VSSH8
🇺🇸 US 🇨🇦 CA
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TOPLINE Fits: 2.0L L4 SOHC VSSH9
🇺🇸 US 🇨🇦 CA
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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 1990 Honda Prelude

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. Some engine parts fit every engine; others are 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: Camshaft Seal and Oil .

Frequently Asked Questions

How many engine parts fit the 1990 Honda Prelude?

Our catalog currently lists 342 engine parts for the 1990 Honda Prelude across 43 subcategories and 62 brands, covering both the 2.0L L4 DOHC and the 2.0L L4 SOHC. Each part is matched to the engine(s) it fits.

Do engine parts differ between 1990 Honda Prelude engines?

Some do. 151 parts fit every engine; the other 191 are engine-specific. Each row (and the filter at the top) shows which. 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 1990 Honda Prelude?

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 1990 Honda Prelude?

Oil rows on this page include SAE 5W-30 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 1990 Honda Prelude 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 1990 Honda Prelude?

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 1990 Honda Prelude

Engine Parts for Other Honda Prelude 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.