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.
The 2004 Cadillac CTS was sold with 3 engines. 39 parts fit every engine; the other 51 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2004 Cadillac CTS drivetrain parts are GM GENUINE (12 parts), WJB / INMOTION PARTS (9 parts) and DORMAN (9 parts), plus 19 more brands. Quality grades include Standard Replacement, Economy and Type T-4.
17 parts on this 2004 Cadillac CTS page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GM GENUINE 291331 (Axle Shaft Seal) and APWI GM8515 (CV Axle). Click any part number to see every vehicle that part fits.
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 | View on Amazon |
This table covers the Axle Shaft Lock / Snap rings.
One part is listed for the 2004 Cadillac CTS — GM GENUINE 22674166.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: all 2004 CTS engines | 291331 | 🇺🇸 US 🇨🇦 CA | RearOutside Diameter of Lip | View on Amazon |
| NATIONAL Popular Fits: all 2004 CTS engines | 710999 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith 4.378 IN Ring Gear | View on Amazon |
| NATIONAL Fits: all 2004 CTS engines | 711066 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith 4.378 IN Ring Gear | View on Amazon |
| TIMKEN Fits: all 2004 CTS engines | 223240 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 2004 CTS engines | WS710999 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith Getrag 645 Differential | View on Amazon |
| WJB / INMOTION PARTS Fits: all 2004 CTS engines | WS711066 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith Getrag 645 Differential | View on Amazon |
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.
6 Axle Shaft Seal parts for the 2004 Cadillac CTS come from 4 brands — NATIONAL, WJB / INMOTION PARTS, GM GENUINE and 1 other brand. The "Popular" part is GM GENUINE 291331. Every part fits all 3 engine options (3.2L V6, 3.6L V6 and 5.7L V8).
Listed part numbers: GM GENUINE 291331, NATIONAL 710999 and NATIONAL 711066, plus the other parts above.
CV Axle
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTO EXTRA Fits: all 2004 CTS engines | GC88908 | 🇺🇸 US 🇨🇦 CA | Fits Rear Rightwith Auto Trans | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APWI Popular Fits: 3.2L V6, 3.6L V6 | GM8515 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear LeftAutomatic trans. | View on Amazon |
| TOP NOTCH Popular Fits: 3.2L V6 | TN20083 | 🇺🇸 US 🇨🇦 CA | Rear LeftAutomatic trans. | View on Amazon |
| TOP NOTCH Popular Fits: 3.2L V6 | TN20107 | 🇺🇸 US 🇨🇦 CA | Rear LeftManual trans. | View on Amazon |
| TRAKMOTIVE Popular Fits: 3.6L V6 | GM8324 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear LeftAutomatic trans. | View on Amazon |
| TRAKMOTIVE Popular Fits: 3.6L V6 | GM8325 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear RightAutomatic trans. | View on Amazon |
| APWI Fits: 3.2L V6, 3.6L V6 | GM8516 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| APWI Fits: 5.7L V8 | GM8542 | 🇺🇸 US 🇨🇦 CA | Rear LeftOpt M12 | View on Amazon |
| CARDONE Fits: 3.2L V6, 3.6L V6 | 661483 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| CARDONE Fits: 3.2L V6 | 661484 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| GSP Fits: 3.2L V6 | NCV10032 | 🇺🇸 US 🇨🇦 CA | Rear LeftAutomatic trans. | View on Amazon |
| GSP Fits: 3.2L V6 | NCV10033 | 🇺🇸 US 🇨🇦 CA | Rear RightAutomatic trans. | View on Amazon |
| GSP Fits: 3.2L V6 | NCV10286 | 🇺🇸 US 🇨🇦 CA | Rear LeftManual trans. | View on Amazon |
| GSP Fits: 3.6L V6 | NCV17004 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| TOP NOTCH Fits: 3.2L V6 | TN20084 | 🇺🇸 US 🇨🇦 CA | Rear RightAutomatic trans. | View on Amazon |
| TRAKMOTIVE Fits: 3.2L V6, 3.6L V6 | GM8171 | 🇺🇸 US 🇨🇦 CA | Does Not Include ABS Ring | View on Amazon |
| TRAKMOTIVE Fits: 3.2L V6, 3.6L V6 | GM8172 | 🇺🇸 US 🇨🇦 CA | Does Not Include ABS Ring | View on Amazon |
| TRAKMOTIVE Fits: 5.7L V8 | GM8329 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| TRAKMOTIVE Fits: 5.7L V8 | GM8313 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
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.
19 CV Axle parts for the 2004 Cadillac CTS come from 6 brands — TRAKMOTIVE, GSP, APWI and 3 other brands. The "Popular" part is APWI GM8515. 1 part fits every engine; the other 18 are engine-specific.
The Economy section lists 1 option from AUTO EXTRA — the catalog's value-priced group. AUTO EXTRA GC88908 is listed in this group.
In the Standard Replacement grade, TRAKMOTIVE, GSP, APWI and 2 other brands supply 18 parts: built to original-equipment specification. A representative part number is APWI GM8515.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MEVOTECH Fits: 3.2L V6, 3.6L V6 | DX544 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outer | View on Amazon |
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.
This group shows a single part: MEVOTECH DX544.
CV Joint Boot Band
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2004 CTS engines | 364038 | 🇺🇸 US 🇨🇦 CA | Rear Outboard OuterLarge Clamp | View on Amazon |
This table covers the bands that clamp a CV boot to the joint.
One part is listed for the 2004 Cadillac CTS — GM GENUINE 364038.
Differential Carrier Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2004 CTS engines | 523224 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearMounting Bushing | View on Amazon |
| DORMAN Fits: 3.6L V6 | 523223 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearSupport Bushing | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 89058605 | 🇺🇸 US 🇨🇦 CA | Trans. code 5L40-E5 speed Automatic trans. | View on Amazon |
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.
3 Differential Carrier Bushing parts for the 2004 Cadillac CTS come from 2 brands — DORMAN and GM GENUINE. 1 part fits every engine; the other 2 are engine-specific.
Part numbers include DORMAN 523224, DORMAN 523223 and GM GENUINE 89058605.
Differential Cover Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2004 CTS engines | 89058602 | 🇺🇸 US 🇨🇦 CA | M8X1.25X30,24 ThreadFlange Head | View on Amazon |
This table covers the Differential Cover bolts.
This group shows a single part: GM GENUINE 89058602.
Differential Fill / Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2004 CTS engines | 19256069 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
This table covers the Differential Fill drain plugs.
This group shows a single part: GM GENUINE 19256069.
Differential Pinion Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular Fits: all 2004 CTS engines | NBNP922169 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bearing Only | View on Amazon |
| BCA Popular Fits: all 2004 CTS engines | NBA67 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Taper Bearing SetIncludes Cup and Cone | View on Amazon |
| BCA Fits: all 2004 CTS engines | NBNP233028 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| NATIONAL Fits: all 2004 CTS engines | NP233028 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| NATIONAL Fits: all 2004 CTS engines | NP922169 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear InnerTaper Bearing Cone Style | View on Amazon |
| NATIONAL Fits: all 2004 CTS engines | A67 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Taper Bearing Set Includes Cup and Cone | View on Amazon |
This table covers the bearings and races on the differential pinion.
6 Differential Pinion Bearing / Race parts are listed for the 2004 Cadillac CTS, from BCA and NATIONAL. BCA NBNP922169 carries the "Popular" badge. All of them fit every engine offered in the 2004 CTS.
Listed part numbers: BCA NBNP922169, BCA NBA67 and BCA NBNP233028, plus the other parts above.
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 | View on Amazon |
This table covers the Differential Pinion Bearing bolts.
This group shows a single part: GM GENUINE 89058602.
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. | View on Amazon |
| GM GENUINE Fits: 5.7L V8 | 19179934 | 🇺🇸 US 🇨🇦 CA | Includes Flange (86mm), Seal, and Nut | View on Amazon |
This table covers the flanges that connect the driveshaft to the differential pinion.
2 Differential Pinion Flange parts for the 2004 Cadillac CTS come from GM GENUINE.
Part numbers include GM GENUINE 19179933 and GM GENUINE 19179934.
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 | View on Amazon |
| NATIONAL Fits: all 2004 CTS engines | 710998 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith 7.625 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 2004 CTS engines | WS710998 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith 7.625 IN Ring Gear | View on Amazon |
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.
3 Differential Pinion Seal parts for the 2004 Cadillac CTS come from 3 brands — GM GENUINE, NATIONAL and WJB / INMOTION PARTS. Every part fits all 3 engine options (3.2L V6, 3.6L V6 and 5.7L V8).
Part numbers include GM GENUINE 25861283, NATIONAL 710998 and WJB / INMOTION PARTS WS710998.
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) | View on Amazon |
This table covers the Differential washers.
This group shows a single part: GM GENUINE 89058604.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 3.2L V6 | 936126 | 🇺🇸 US 🇨🇦 CA | Length: 61.5"OE Fix | View on Amazon |
| DORMAN Popular Fits: 5.7L V8 | 946032 | 🇺🇸 US 🇨🇦 CA | Length: 60.5"OE Fix | View on Amazon |
| CARDONE Fits: 3.2L V6 | 651004 | 🇺🇸 US 🇨🇦 CA | RearAutomatic trans. | View on Amazon |
| CARDONE Fits: 3.6L V6 | 651002 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearAutomatic trans. | View on Amazon |
| CARDONE Fits: 5.7L V8 | 651022 | 🇺🇸 US 🇨🇦 CA | Rearwith 61.42 (In) Long Driveshaft | View on Amazon |
| DORMAN Fits: 3.2L V6, 3.6L V6 | 936128 | 🇺🇸 US 🇨🇦 CA | Length: 67.75"OE Fix | View on Amazon |
| DORMAN Fits: 3.6L V6 | 936127 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Length: 61.25"OE Fix | View on Amazon |
| GSP Fits: 3.2L V6 | PS901802 | 🇺🇸 US 🇨🇦 CA | RearAutomatic trans. | View on Amazon |
| GSP Fits: 3.6L V6 | PS900176 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearAutomatic trans. | View on Amazon |
| GSP Fits: 5.7L V8 | PS901522 | 🇺🇸 US 🇨🇦 CA | Rear2 Piece Shaft | View on Amazon |
| TOP NOTCH Fits: 3.2L V6 | TN1723PS | 🇺🇸 US 🇨🇦 CA | RearAutomatic trans. | View on Amazon |
| TOP NOTCH Fits: 3.6L V6 | TN1091PS | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearAutomatic trans. | View on Amazon |
| TOP NOTCH Fits: 5.7L V8 | TN1053PS | 🇺🇸 US 🇨🇦 CA | Rear2 Piece Shaft | View on Amazon |
| ULTRA-POWER Fits: all 2004 CTS engines | 946032 | 🇺🇸 US 🇨🇦 CA | 60.5" Long | View on Amazon |
| ULTRA-POWER Fits: 3.6L V6 | 936127 | 🇺🇸 US 🇨🇦 CA | 61.25" Long | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.2L V6 | WDS36126 | 🇺🇸 US 🇨🇦 CA | RearAutomatic trans. | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.2L V6 | WDS36128 | 🇺🇸 US 🇨🇦 CA | RearManual trans. | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.6L V6 | WDS36127 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearAutomatic trans. | View on Amazon |
| WJB / INMOTION PARTS Fits: 5.7L V8 | WDS46032 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
19 Drive Shaft parts are listed for the 2004 Cadillac CTS, from DORMAN, WJB / INMOTION PARTS, CARDONE and 3 other brands. DORMAN 936126 carries the "Popular" badge. 1 part fits every engine; the other 18 are engine-specific.
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 | View on Amazon | |
| DEA / MARMON RIDE CONTROL Fits: all 2004 CTS engines | A60014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MRC Driveline | View on Amazon |
| DORMAN Fits: 3.2L V6, 3.6L V6 | 934610 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WESTAR Fits: all 2004 CTS engines | DS6503 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Include Boot or Snap Ring | View on Amazon |
| WJB / INMOTION PARTS Fits: all 2004 CTS engines | WCHB3074A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bearing, Support | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DANA Popular Fits: all 2004 CTS engines | 25141646X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spicer Select | View on Amazon |
| GM GENUINE Popular Fits: 3.2L V6, 3.6L V6 | 19353727 | 🇺🇸 US 🇨🇦 CA | Fits Center5 speed Automatic trans. | View on Amazon |
| SKF Popular Fits: all 2004 CTS engines | HB3074A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ANCHOR Fits: all 2004 CTS engines | 6104 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Centerwith 30mm Inside Diameter Bearing(s) | View on Amazon |
| BCA Fits: 3.2L V6, 3.6L V6 | NBHB3074A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
10 Drive Shaft Center Support Bearing parts are listed for the 2004 Cadillac CTS, from SKP, DEA / MARMON RIDE CONTROL, DORMAN and 7 other brands. SKP SK934610 carries the "Popular" badge. 6 parts fit every engine; the other 4 are engine-specific.
Economy: 5 parts, from SKP, DEA / MARMON RIDE CONTROL, DORMAN and 2 other brands. A representative part number is SKP SK934610.
The Standard Replacement section: 5 options from DANA, GM GENUINE, SKF and 2 other brands. DANA 25141646X is listed in this group.
Drive Shaft Flex Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.2L V6, 3.6L V6 | 935608 | 🇺🇸 US 🇨🇦 CA | FrontManual trans. | View on Amazon |
| DORMAN Fits: 3.6L V6, 5.7L V8 | 935103 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits FrontAutomatic trans.or Rear | View on Amazon |
| SKF Fits: all 2004 CTS engines | VKJF98013 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Flex Coupler | View on Amazon |
| ULTRA-POWER Fits: all 2004 CTS engines | 935103 | 🇺🇸 US 🇨🇦 CA | Drive Shaft CouplerREAR | View on Amazon |
This table covers the flex joints in the driveshaft.
4 Drive Shaft Flex Joint parts for the 2004 Cadillac CTS come from 3 brands — DORMAN, SKF and ULTRA-POWER. 2 parts fit every engine; the other 2 are engine-specific.
This group includes DORMAN 935608, DORMAN 935103 and SKF VKJF98013 and the remaining parts above.
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 | View on Amazon |
| VALVOLINE Popular Fits: all 2004 CTS engines | VV975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: all 2004 CTS engines | 889785 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: all 2004 CTS engines | 882505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: all 2004 CTS engines | 723856 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
| VALVOLINE Fits: all 2004 CTS engines | VV822 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Daily Protection SAE 75W-90 Gear Oil16 Gallon KEG | View on Amazon |
Type T-4 (Type T-IV)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| IDEMITSU Fits: all 2004 CTS engines | 30040093750 | 🇺🇸 US | ATF Type TLS1 Quart | View on Amazon |
| IDEMITSU Fits: all 2004 CTS engines | 30040093953 | 🇺🇸 US | ATF Type TLS5 Quart | View on Amazon |
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.
8 Gear Oil parts for the 2004 Cadillac CTS come from 2 brands — VALVOLINE and IDEMITSU. The "Popular" part is VALVOLINE VV820. Every part fits all 3 engine options (3.2L V6, 3.6L V6 and 5.7L V8).
The SAE 75W-90 section lists 6 options from VALVOLINE — grouped under the catalog's "SAE 75W-90" designation — the notes column spells out what sets them apart. VALVOLINE VV820 is listed in this group.
The Type T-4 (Type T-IV) section lists 2 options from IDEMITSU — grouped under the catalog's "Type T-4 (Type T-IV)" designation — the notes column spells out what sets them apart. IDEMITSU 30040093750 is listed in this group.
Part numbers include VALVOLINE VV820, VALVOLINE VV975 and VALVOLINE 889785, among others listed above.
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 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: 5.7L V8 | NBA16 | 🇺🇸 US 🇨🇦 CA | Bearing & Race SetIncludes Cup and Cone | View on Amazon |
| NATIONAL Fits: 5.7L V8 | A16 | 🇺🇸 US 🇨🇦 CA | Taper Bearing Set Includes Cup and Cone | View on 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.
3 Transfer Case Main Shaft Pilot Bearing parts are listed for the 2004 Cadillac CTS, from WJB / INMOTION PARTS, BCA and NATIONAL.
Economy: 1 part, from WJB / INMOTION PARTS. A representative part number is WJB / INMOTION PARTS WTA16.
The Standard Replacement section: 2 options from BCA and NATIONAL. BCA NBA16 is listed in this group.
Part numbers include WJB / INMOTION PARTS WTA16, BCA NBA16 and NATIONAL A16.
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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