2004 Cadillac CTS Drivetrain Parts

Engine:

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

The 2004 Cadillac CTS has 90 drivetrain parts with verified fitment on this page — 18 part types and 22 brands, covering all 3 engine options (3.2L V6, 3.6L V6 and 5.7L V8). Each part includes a manufacturer part number and application notes.

On the 2004 Cadillac CTS, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 48 parts of the 90 listed are CV Axle (19 parts), Drive Shaft (19 parts) and Drive Shaft Center Support Bearing (10 parts). The other 15 part types cover the remaining 42 parts.

Axle Shaft Lock / Snap Ring

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2004 CTS engines 22674166
🇺🇸 US 🇨🇦 CA
RearOD IS 31.0MM ROUND RING DESIGN
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This table covers the Axle Shaft Lock / Snap rings.

Axle Shaft Seal

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: all 2004 CTS engines 291331
🇺🇸 US 🇨🇦 CA
RearOutside Diameter of Lip
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NATIONAL Popular Fits: all 2004 CTS engines 710999
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Outerwith 4.378 IN Ring Gear
Fitment notes — NATIONAL 710999
Rear Outerwith 4.378 IN Ring Gearwith Getrag 645 Differential
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NATIONAL Fits: all 2004 CTS engines 711066
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rearwith 4.378 IN Ring Gear
Fitment notes — NATIONAL 711066
Rearwith 4.378 IN Ring Gearwith Getrag 645 Differential
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TIMKEN Fits: all 2004 CTS engines 223240
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
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WJB / INMOTION PARTS Fits: all 2004 CTS engines WS710999
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Outerwith Getrag 645 Differential
Fitment notes — WJB / INMOTION PARTS WS710999
Rear Outerwith Getrag 645 Differentialwith 4.378 IN Ring Gear
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WJB / INMOTION PARTS Fits: all 2004 CTS engines WS711066
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rearwith Getrag 645 Differential
Fitment notes — WJB / INMOTION PARTS WS711066
Rearwith Getrag 645 Differentialwith 4.378 IN Ring Gear
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This table covers the seals where an axle shaft exits the housing. 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.

CV Axle

Economy

Brand Part Number Markets Notes Buy
AUTO EXTRA Fits: all 2004 CTS engines GC88908
🇺🇸 US 🇨🇦 CA
Fits Rear Rightwith Auto Trans
Fitment notes — AUTO EXTRA GC88908
Fits:
Rear Rightwith Auto Trans
or:
Rear Right5 Speed TransExcept with Automatic Transmission
Rear Right5 Speed TransExcept with Automatic Transmission
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Standard Replacement

Brand Part Number Markets Notes Buy
APWI Popular Fits: 3.2L V6, 3.6L V6 GM8515
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear LeftAutomatic trans.
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TOP NOTCH Popular Fits: 3.2L V6 TN20083
🇺🇸 US 🇨🇦 CA
Rear LeftAutomatic trans.
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TOP NOTCH Popular Fits: 3.2L V6 TN20107
🇺🇸 US 🇨🇦 CA
Rear LeftManual trans.
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TRAKMOTIVE Popular Fits: 3.6L V6 GM8324
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear LeftAutomatic trans.
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TRAKMOTIVE Popular Fits: 3.6L V6 GM8325
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear RightAutomatic trans.
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APWI Fits: 3.2L V6, 3.6L V6 GM8516
🇺🇸 US 🇨🇦 CA
Rear Right
Fitment notes — APWI GM8516
Rear Right
Rear RightManual trans.
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APWI Fits: 5.7L V8 GM8542
🇺🇸 US 🇨🇦 CA
Rear LeftOpt M12
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CARDONE Fits: 3.2L V6, 3.6L V6 661483
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Left
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CARDONE Fits: 3.2L V6 661484
🇺🇸 US 🇨🇦 CA
Rear Right
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GSP Fits: 3.2L V6 NCV10032
🇺🇸 US 🇨🇦 CA
Rear LeftAutomatic trans.
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GSP Fits: 3.2L V6 NCV10033
🇺🇸 US 🇨🇦 CA
Rear RightAutomatic trans.
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GSP Fits: 3.2L V6 NCV10286
🇺🇸 US 🇨🇦 CA
Rear LeftManual trans.
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GSP Fits: 3.6L V6 NCV17004
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Left
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TOP NOTCH Fits: 3.2L V6 TN20084
🇺🇸 US 🇨🇦 CA
Rear RightAutomatic trans.
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TRAKMOTIVE Fits: 3.2L V6, 3.6L V6 GM8171
🇺🇸 US 🇨🇦 CA
Does Not Include ABS Ring
Fitment notes — TRAKMOTIVE GM8171
Does Not Include ABS Ring
Rear Left
Rear LeftManual trans.
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TRAKMOTIVE Fits: 3.2L V6, 3.6L V6 GM8172
🇺🇸 US 🇨🇦 CA
Does Not Include ABS Ring
Fitment notes — TRAKMOTIVE GM8172
Does Not Include ABS Ring
Rear Right
Rear RightManual trans.
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TRAKMOTIVE Fits: 5.7L V8 GM8329
🇺🇸 US 🇨🇦 CA
Rear Left
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TRAKMOTIVE Fits: 5.7L V8 GM8313
🇺🇸 US 🇨🇦 CA
Rear Right
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This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes.

CV Joint Boot

Brand Part Number Markets Notes Buy
MEVOTECH Fits: 3.2L V6, 3.6L V6 DX544
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Outer
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This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.

CV Joint Boot Band

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2004 CTS engines 364038
🇺🇸 US 🇨🇦 CA
Rear Outboard OuterLarge Clamp
Fitment notes — GM GENUINE 364038
Rear Outboard OuterLarge ClampStamped 95.4MM93MM Inside Diameter
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This table covers the bands that clamp a CV boot to the joint.

Differential Carrier Bushing

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2004 CTS engines 523224
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearMounting Bushing
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DORMAN Fits: 3.6L V6 523223
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearSupport Bushing
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GM GENUINE Fits: 3.6L V6 89058605
🇺🇸 US 🇨🇦 CA
Trans. code 5L40-E5 speed Automatic trans.
Fitment notes — GM GENUINE 89058605
Trans. code 5L40-E5 speed Automatic trans.Bushing with Metal Sleeve3.42 Rear Axle Ratio (GU6)
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This table covers the Differential Carrier bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.

Differential Cover Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2004 CTS engines 89058602
🇺🇸 US 🇨🇦 CA
M8X1.25X30,24 ThreadFlange Head
Fitment notes — GM GENUINE 89058602
M8X1.25X30,24 ThreadFlange Head17OD
6 speed Manual trans.M8X1.25X30,24 ThreadFlange Head17OD
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This table covers the Differential Cover bolts.

Differential Fill / Drain Plug

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2004 CTS engines 19256069
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — GM GENUINE 19256069
Includes Seal
Rear DifferentialM22
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This table covers the Differential Fill drain plugs.

Differential Pinion Bearing / Race

Brand Part Number Markets Notes Buy
BCA Popular Fits: all 2004 CTS engines NBNP922169
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Bearing Only
Fitment notes — BCA NBNP922169
Bearing Only
Rear Innerwith Getrag 645 Axle(S)with 4.378 IN Ring GearBearing Cone Only
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BCA Popular Fits: all 2004 CTS engines NBA67
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Taper Bearing SetIncludes Cup and Cone
Fitment notes — BCA NBA67
Taper Bearing SetIncludes Cup and Cone
Rear Innerwith Getrag 645 Axle(S)with 4.378 IN Ring Gear
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BCA Fits: all 2004 CTS engines NBNP233028
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Race
Fitment notes — BCA NBNP233028
Race
Rear Inner
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NATIONAL Fits: all 2004 CTS engines NP233028
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Race
Fitment notes — NATIONAL NP233028
Race
Rear Innerwith 4.378 IN Ring Gearwith Getrag 645 Axle
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NATIONAL Fits: all 2004 CTS engines NP922169
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear InnerTaper Bearing Cone Style
Fitment notes — NATIONAL NP922169
Rear InnerTaper Bearing Cone Stylewith 4.378 IN Ring Gearwith Getrag 645 Axle
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NATIONAL Fits: all 2004 CTS engines A67
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Taper Bearing Set Includes Cup and Cone
Fitment notes — NATIONAL A67
Taper Bearing Set Includes Cup and Cone
Rear Innerwith 4.378 IN Ring Gearwith Getrag 645 Axle
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This table covers the bearings and races on the differential pinion.

Differential Pinion Bearing Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2004 CTS engines 89058602
🇺🇸 US 🇨🇦 CA
M8X1.25X30, 24 ThreadFlange Head
Fitment notes — GM GENUINE 89058602
M8X1.25X30, 24 ThreadFlange Head17OD3.73 Rear Axle Ratio (GT4) or 3.42 Rear Axle Ratio (GU6) or 3.91 Rear Axle Ratio (GW1)
6 speed Manual trans.M8X1.25X30,24 ThreadFlange Head17OD
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This table covers the Differential Pinion Bearing bolts.

Differential Pinion Flange

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 19179933
🇺🇸 US 🇨🇦 CA
Trans. code 5L40-E5 speed Automatic trans.
Fitment notes — GM GENUINE 19179933
Trans. code 5L40-E5 speed Automatic trans.USE without CASTING NUMBER 6457038590 ON HOUSING DIFF DRV PINION GEAR,FOR 2ND DESIGN SEAL SERVICED SEPARATELY SEE 25861283.INCLUDES FLANGE (105MM),SEAL AND NUT3.42 Rear Axle Ratio (GU6)1st Design
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GM GENUINE Fits: 5.7L V8 19179934
🇺🇸 US 🇨🇦 CA
Includes Flange (86mm), Seal, and Nut
Fitment notes — GM GENUINE 19179934
Includes Flange (86mm), Seal, and Nut
6 speed Manual trans.Use without Casting Number 6457038590 On Housing Diff DRV Pinion Gear, For 2nd Design Seal Serviced Separately See 25861283.Special Ride & Handling Suspension (FE4)1st Design
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This table covers the flanges that connect the driveshaft to the differential pinion.

Differential Pinion Seal

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2004 CTS engines 25861283
🇺🇸 US 🇨🇦 CA
Can Use Seal Only with Casting # 6457038590 On Housing Diff DRV Pinion Gear,For 1st Design Must Use Seal Kit 19179935.58.98mm
Fitment notes — GM GENUINE 25861283
Can Use Seal Only with Casting # 6457038590 On Housing Diff DRV Pinion Gear,For 1st Design Must Use Seal Kit 19179935.58.98mm3.73 Rear Axle Ratio (GT4),3.42 Rear Axle Ratio (GU6),3.91 Rear Axle Ratio (GW1)2nd Design
Fits:
Can Use Seal Only with Casting # 6457038590 On Housing Diff DRV Pinion Gear,For 1st Design Must Use Seal Kit 19179935.58.98mm3.73 Rear Axle Ratio (GT4),3.42 Rear Axle Ratio (GU6),3.91 Rear Axle Ratio (GW1)2nd Designor Trans. Code 5L40-E5 speed Automatic trans.Can Use Seal Only with Casting # 6457038590 On Housing Diff DRV Pinion Gear, For 1st Design Must Use Seal Kit 19179933.58.98mm3.42 Rear Axle Ratio (GU6)2nd Design
6 speed Manual trans.Special Ride & Handling Suspension (FE4)Can Use Seal Only with Casting # 6457038590 On Housing Diff DRV Pinion Gear,For 1st Design Must Use Seal Kit 19179934.58.98mm2nd Design
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NATIONAL Fits: all 2004 CTS engines 710998
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Outerwith 7.625 IN Ring Gear
Fitment notes — NATIONAL 710998
Rear Outerwith 7.625 IN Ring Gearwith Getrag 645 Differential
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WJB / INMOTION PARTS Fits: all 2004 CTS engines WS710998
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Outerwith 7.625 IN Ring Gear
Fitment notes — WJB / INMOTION PARTS WS710998
Rear Outerwith 7.625 IN Ring Gearwith Getrag 645 Differential
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This table covers the seals at the differential pinion yoke. 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.

Differential Washer

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.7L V8 89058604
🇺🇸 US 🇨🇦 CA
6 speed Manual trans.Special Ride & Handling Suspension (FE4)
Fitment notes — GM GENUINE 89058604
6 speed Manual trans.Special Ride & Handling Suspension (FE4)Pinion Gear Thrust Washer
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This table covers the Differential washers.

Drive Shaft

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 3.2L V6 936126
🇺🇸 US 🇨🇦 CA
Length: 61.5"OE Fix
Fitment notes — DORMAN 936126
Length: 61.5"OE Fix
RearAutomatic trans.
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DORMAN Popular Fits: 5.7L V8 946032
🇺🇸 US 🇨🇦 CA
Length: 60.5"OE Fix
Fitment notes — DORMAN 946032
Length: 60.5"OE FixRear
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CARDONE Fits: 3.2L V6 651004
🇺🇸 US 🇨🇦 CA
RearAutomatic trans.
Fitment notes — CARDONE 651004
RearAutomatic trans.with 63.07 (In) Long Driveshaft
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CARDONE Fits: 3.6L V6 651002
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearAutomatic trans.
Fitment notes — CARDONE 651002
RearAutomatic trans.with 62.80 (In) Long Driveshaft
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CARDONE Fits: 5.7L V8 651022
🇺🇸 US 🇨🇦 CA
Rearwith 61.42 (In) Long Driveshaft
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DORMAN Fits: 3.2L V6, 3.6L V6 936128
🇺🇸 US 🇨🇦 CA
Length: 67.75"OE Fix
Fitment notes — DORMAN 936128
Length: 67.75"OE Fix
RearManual trans.
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DORMAN Fits: 3.6L V6 936127
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Length: 61.25"OE Fix
Fitment notes — DORMAN 936127
Length: 61.25"OE Fix
RearAutomatic trans.
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GSP Fits: 3.2L V6 PS901802
🇺🇸 US 🇨🇦 CA
RearAutomatic trans.
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GSP Fits: 3.6L V6 PS900176
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearAutomatic trans.
Fitment notes — GSP PS900176
RearAutomatic trans.2 Piece Shaft
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GSP Fits: 5.7L V8 PS901522
🇺🇸 US 🇨🇦 CA
Rear2 Piece Shaft
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TOP NOTCH Fits: 3.2L V6 TN1723PS
🇺🇸 US 🇨🇦 CA
RearAutomatic trans.
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TOP NOTCH Fits: 3.6L V6 TN1091PS
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearAutomatic trans.
Fitment notes — TOP NOTCH TN1091PS
RearAutomatic trans.2 Piece Shaft
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TOP NOTCH Fits: 5.7L V8 TN1053PS
🇺🇸 US 🇨🇦 CA
Rear2 Piece Shaft
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ULTRA-POWER Fits: all 2004 CTS engines 946032
🇺🇸 US 🇨🇦 CA
60.5" Long
Fitment notes — ULTRA-POWER 946032
60.5" Long
REARV6 Speed Trans
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ULTRA-POWER Fits: 3.6L V6 936127
🇺🇸 US 🇨🇦 CA
61.25" Long
Fitment notes — ULTRA-POWER 936127
61.25" Long
Rearwith Automatic Trans.
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WJB / INMOTION PARTS Fits: 3.2L V6 WDS36126
🇺🇸 US 🇨🇦 CA
RearAutomatic trans.
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WJB / INMOTION PARTS Fits: 3.2L V6 WDS36128
🇺🇸 US 🇨🇦 CA
RearManual trans.
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WJB / INMOTION PARTS Fits: 3.6L V6 WDS36127
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearAutomatic trans.
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WJB / INMOTION PARTS Fits: 5.7L V8 WDS46032
🇺🇸 US 🇨🇦 CA
Rear
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This table covers the driveshafts that carry torque from the transmission or transfer case.

Drive Shaft Center Support Bearing

Economy

Brand Part Number Markets Notes Buy
SKP Popular Fits: 3.2L V6, 3.6L V6 SK934610
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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DEA / MARMON RIDE CONTROL Fits: all 2004 CTS engines A60014
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
MRC Driveline
Fitment notes — DEA / MARMON RIDE CONTROL A60014
MRC Driveline
with 1.1811" Bearing I.D.
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DORMAN Fits: 3.2L V6, 3.6L V6 934610
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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WESTAR Fits: all 2004 CTS engines DS6503
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does Not Include Boot or Snap Ring
Fitment notes — WESTAR DS6503
Does Not Include Boot or Snap Ring
Bearings I.D. = 1.181" (30mm)
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WJB / INMOTION PARTS Fits: all 2004 CTS engines WCHB3074A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Bearing, Support
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Standard Replacement

Brand Part Number Markets Notes Buy
DANA Popular Fits: all 2004 CTS engines 25141646X
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Spicer Select
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GM GENUINE Popular Fits: 3.2L V6, 3.6L V6 19353727
🇺🇸 US 🇨🇦 CA
Fits Center5 speed Automatic trans.
Fitment notes — GM GENUINE 19353727
Fits:
Center5 speed Automatic trans.Use with 15G LUBRICANT12377985 IN U.S AND 88901242 IN CANADA
or:
Center5 speed Manual trans.Use with 15G LUBRICANT12377985 IN U.S AND 88901242 IN CANADA
Fits:
Center5 speed Manual trans.Use with 15G LUBRICANT12377985 IN U.S AND 88901242 IN CANADA
or:
CenterTrans.Code 5L40-E5 Speed Automatic Trans.Use with 15G LUBRICANT12377985 IN U.S AND 88901242 IN CANADA
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SKF Popular Fits: all 2004 CTS engines HB3074A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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ANCHOR Fits: all 2004 CTS engines 6104
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Centerwith 30mm Inside Diameter Bearing(s)
Fitment notes — ANCHOR 6104
Centerwith 30mm Inside Diameter Bearing(s)85mm Centerline Of Bearing To Mounting Facewith 168mm Mountingwith Top Mounting TabsRound Body
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BCA Fits: 3.2L V6, 3.6L V6 NBHB3074A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the Drive Shaft Center Support 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.

Drive Shaft Flex Joint

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.2L V6, 3.6L V6 935608
🇺🇸 US 🇨🇦 CA
FrontManual trans.
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DORMAN Fits: 3.6L V6, 5.7L V8 935103
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits FrontAutomatic trans.or Rear
Fitment notes — DORMAN 935103
Fits:
FrontAutomatic trans.or RearAutomatic trans.Rear
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SKF Fits: all 2004 CTS engines VKJF98013
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Flex Coupler
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ULTRA-POWER Fits: all 2004 CTS engines 935103
🇺🇸 US 🇨🇦 CA
Drive Shaft CouplerREAR
Fitment notes — ULTRA-POWER 935103
Drive Shaft CouplerREARV
Fits:
Drive Shaft Couplerwith Automatic Trans.or Drive Shaft Couplerwith Manual Trans.or Drive Shaft CouplerFront
or:
Rear5 Speed Transwith Automatic trans.or Drive Shaft CouplerRearVwith Manual Trans.
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This table covers the flex joints in the driveshaft.

Gear Oil

SAE 75W-90

Brand Part Number Markets Notes Buy
VALVOLINE Popular Fits: all 2004 CTS engines VV820
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Daily Protection SAE 75W-90 Gear Oil1 Quart
Fitment notes — VALVOLINE VV820
Daily Protection SAE 75W-90 Gear Oil1 Quart
Rear Differential
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VALVOLINE Popular Fits: all 2004 CTS engines VV975
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart
Fitment notes — VALVOLINE VV975
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart
Rear Differential
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VALVOLINE Fits: all 2004 CTS engines 889785
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Fitment notes — VALVOLINE 889785
Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Rear Differential
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VALVOLINE Fits: all 2004 CTS engines 882505
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon
Fitment notes — VALVOLINE 882505
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon
Rear Differential
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VALVOLINE Fits: all 2004 CTS engines 723856
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon
Fitment notes — VALVOLINE 723856
Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon
Rear Differential
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VALVOLINE Fits: all 2004 CTS engines VV822
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Daily Protection SAE 75W-90 Gear Oil16 Gallon KEG
Fitment notes — VALVOLINE VV822
Daily Protection SAE 75W-90 Gear Oil16 Gallon KEG
Rear Differential
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Type T-4 (Type T-IV)

Brand Part Number Markets Notes Buy
IDEMITSU Fits: all 2004 CTS engines 30040093750
🇺🇸 US
ATF Type TLS1 Quart
Fitment notes — IDEMITSU 30040093750
ATF Type TLS1 Quart
Transmission Manufacturer Code: M12
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IDEMITSU Fits: all 2004 CTS engines 30040093953
🇺🇸 US
ATF Type TLS5 Quart
Fitment notes — IDEMITSU 30040093953
ATF Type TLS5 Quart
Transmission Manufacturer Code: M12
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This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle.

Transfer Case Main Shaft Pilot Bearing

Economy

Brand Part Number Markets Notes Buy
WJB / INMOTION PARTS Fits: 5.7L V8 WTA16
🇺🇸 US 🇨🇦 CA
Bearing & Race Set
Fitment notes — WJB / INMOTION PARTS WTA16
Bearing & Race Set
Tremec trans.T56 Transmission
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Standard Replacement

Brand Part Number Markets Notes Buy
BCA Fits: 5.7L V8 NBA16
🇺🇸 US 🇨🇦 CA
Bearing & Race SetIncludes Cup and Cone
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NATIONAL Fits: 5.7L V8 A16
🇺🇸 US 🇨🇦 CA
Taper Bearing Set Includes Cup and Cone
Fitment notes — NATIONAL A16
Taper Bearing Set Includes Cup and Cone
Tremec trans.
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Amazon

This table covers the Transfer Case Main Shaft Pilot 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.

Buying Drivetrain Parts for a 2004 Cadillac CTS

On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.

  • Match the engine first. Some drivetrain 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 differential or transfer-case fluid with any axle or seal job while everything is already open.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: CV Axle and Drive Shaft .

Frequently Asked Questions

How many drivetrain parts fit the 2004 Cadillac CTS?

Our catalog currently lists 90 drivetrain parts for the 2004 Cadillac CTS across 18 subcategories and 22 brands, covering all 3 engine options (3.2L V6, 3.6L V6 and 5.7L V8). Each part is matched to the engine(s) it fits.

Do drivetrain parts differ between 2004 Cadillac CTS engines?

Some do. 39 parts fit every engine; the other 51 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 drivetrain problems on a 2004 Cadillac CTS?

Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.

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 2004 Cadillac CTS 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 2004 Cadillac CTS?

First match the engine — each row shows which engine(s) the part fits. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2004 Cadillac CTS

Drivetrain Parts for Other Cadillac CTS 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.