39 Drivetrain parts are listed for the 2008 Cadillac CTS, in 9 part types, covering the 3.6L V6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2008 Cadillac CTS, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 29 parts of the 39 listed are CV Axle (15 parts), Axle Shaft Seal (8 parts) and Differential Pinion Bearing / Race (6 parts). The other 6 part types cover the remaining 10 parts.
Every part on this page is matched to the 3.6L V6 — the only engine offered in the 2008 Cadillac CTS.
The most listed brands for 2008 Cadillac CTS drivetrain parts are GM GENUINE (9 parts), NATIONAL (5 parts) and TOP NOTCH (4 parts), plus 8 more brands. Quality grades include Standard Replacement and Economy.
7 parts on this 2008 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 TOP NOTCH TN20100 (CV Axle). Click any part number to see every vehicle that part fits.
Axle Shaft Bearing Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 25782418 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the Axle Shaft Bearing retainers.
One part is listed for the 2008 Cadillac CTS — GM GENUINE 25782418.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 291331 | 🇺🇸 US 🇨🇦 CA | FrontOutside Diameter of Lip | View on Amazon |
| GM GENUINE Popular | 291341 | 🇺🇸 US 🇨🇦 CA | Rear3.73 Rear Axle Ratio (GT4),3.23 Rear Axle Ratio (GU5),3.42 Rear Axle Ratio (GU6) | View on Amazon |
| NATIONAL | 710999 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith 4.378 IN Ring Gear | View on Amazon |
| NATIONAL | 711066 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith 4.378 IN Ring Gear | View on Amazon |
| TIMKEN | 223240 | 🇺🇸 US 🇨🇦 CA | Fits Front RightAWD | View on Amazon |
| WJB / INMOTION PARTS | WS710999 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith Getrag 645 Differential | View on Amazon |
| WJB / INMOTION PARTS | WS710853 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
| WJB / INMOTION PARTS | 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.
8 Axle Shaft Seal parts for the 2008 Cadillac CTS come from 4 brands — WJB / INMOTION PARTS, GM GENUINE, NATIONAL and 1 other brand. The "Popular" part is GM GENUINE 291331.
This group includes GM GENUINE 291331, GM GENUINE 291341 and NATIONAL 710999 and the remaining parts above.
CV Axle
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CARDONE | 601416 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOP NOTCH Popular | TN20100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| TOP NOTCH Popular | TN20109 | 🇺🇸 US 🇨🇦 CA | Compressed Length 27.09" | View on Amazon |
| TOP NOTCH Popular | TN20108 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Right | View on Amazon |
| APWI | GM8387 | 🇺🇸 US 🇨🇦 CA | Front LeftAWD | View on Amazon |
| APWI | GM8388 | 🇺🇸 US 🇨🇦 CA | Front RightAWD | View on Amazon |
| GSP | NCV10242 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| GSP | NCV10236 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| GSP | NCV10288 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| GSP | NCV10287 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Right | View on Amazon |
| TOP NOTCH | TN20096 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| TRAKMOTIVE | GM8223 | 🇺🇸 US 🇨🇦 CA | Does Not Include ABS Ring | View on Amazon |
| TRAKMOTIVE | GM8212 | 🇺🇸 US 🇨🇦 CA | Does Not Include ABS Ring | View on Amazon |
| TRAKMOTIVE | GM8321 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| TRAKMOTIVE | GM8328 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
15 CV Axle parts for the 2008 Cadillac CTS come from 5 brands — TOP NOTCH, GSP, TRAKMOTIVE and 2 other brands. The "Popular" part is TOP NOTCH TN20100.
The Economy section lists 1 option from CARDONE — the catalog's value-priced group. CARDONE 601416 is listed in this group.
In the Standard Replacement grade, TOP NOTCH, GSP, TRAKMOTIVE and 1 other brand supply 14 parts: built to original-equipment specification. A representative part number is TOP NOTCH TN20100.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MEVOTECH | DX515 | 🇺🇸 US 🇨🇦 CA | Front InnerAWD | View on Amazon |
| MEVOTECH | DX437 | 🇺🇸 US 🇨🇦 CA | Front OuterAWD | View on Amazon |
| MEVOTECH | DX877 | 🇺🇸 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.
3 CV Joint Boot parts for the 2008 Cadillac CTS come from MEVOTECH.
This group includes MEVOTECH DX515, MEVOTECH DX437 and MEVOTECH DX877.
Differential Carrier Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 89058602 | 🇺🇸 US 🇨🇦 CA | M8X1.25X30,24 ThreadFlange Head | View on Amazon |
| GM GENUINE | 11519346 | 🇺🇸 US 🇨🇦 CA | Bolt-HFH with CON WA,M12X1.75X60,34 THD | View on Amazon |
| GM GENUINE | 11569732 | 🇺🇸 US 🇨🇦 CA | M14X2X101.68,48 Thread63OD | View on Amazon |
This table covers the Differential Carrier bolts.
GM GENUINE supplies the 3 Differential Carrier Bolt parts for the 2008 Cadillac CTS.
Listed part numbers: GM GENUINE 89058602, GM GENUINE 11519346 and GM GENUINE 11569732.
Differential Clutch Pack
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 19132906 | 🇺🇸 US 🇨🇦 CA | Positraction Limited-Slip Rear Axle (G80) | View on Amazon |
This table covers the clutch packs in a limited-slip or locking differential.
This group shows a single part: GM GENUINE 19132906.
Differential Cover Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 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 | 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 | NBNP922169 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bearing Only | View on Amazon |
| BCA Popular | NBA67 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Taper Bearing SetIncludes Cup and Cone | View on Amazon |
| BCA | NBNP233028 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| NATIONAL | NP233028 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| NATIONAL | NP922169 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear InnerTaper Bearing Cone Style | View on Amazon |
| NATIONAL | 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 2008 Cadillac CTS, from BCA and NATIONAL. BCA NBNP922169 carries the "Popular" badge.
Part numbers include BCA NBNP922169, BCA NBA67 and BCA NBNP233028, among others listed above.
Buying Drivetrain Parts for a 2008 Cadillac CTS
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Confirm you have the 3.6L V6 engine — every part on this page is matched to it.
- 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 Axle Shaft Seal .
Frequently Asked Questions
How many drivetrain parts fit the 2008 Cadillac CTS?
Our catalog currently lists 39 drivetrain parts for the 2008 Cadillac CTS across 9 subcategories and 11 brands, covering the 3.6L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2008 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 2008 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 2008 Cadillac CTS?
Every part on this page is matched to the 3.6L V6 engine. 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 2008 Cadillac CTS
Drivetrain Parts for Other Cadillac CTS Years
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