40 Drivetrain parts are listed for the 2005 Cadillac XLR, in 12 part types, covering the 4.6L V8 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2005 Cadillac XLR, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are Differential Carrier Bearing / Race (10 parts), Differential Pinion Bearing / Race (9 parts) and Axle Shaft Seal (5 parts). The other 9 part types cover the remaining 16 parts.
The 2005 Cadillac XLR came with a single engine, the 4.6L V8, and every part is verified against it.
12 brands supply drivetrain parts for the 2005 Cadillac XLR, led by GM GENUINE (11 parts), NATIONAL (6 parts) and BCA (6 parts), plus 9 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2005 Cadillac XLR. 6 parts have it, including GM GENUINE 291354 (Axle Shaft Seal) and TOP NOTCH TN20118 (CV Axle). Each part number opens a page with every vehicle that part fits.
Axle Shaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN | F4020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Needle Bearing1.8496 Housing Diameter | View on Amazon |
| WJB / INMOTION PARTS | WRF4020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Leftwith 8.4646 IN Ring Gear | View on Amazon |
This table covers the Axle Shaft 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.
2 Axle Shaft Bearing parts for the 2005 Cadillac XLR come from 2 brands — TIMKEN and WJB / INMOTION PARTS.
Part numbers include TIMKEN F4020 and WJB / INMOTION PARTS WRF4020.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 291354 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| MOTIVE GEAR | 9009004260 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith 8.4646 (In) Ring Gear | View on Amazon |
| NATIONAL | 711065 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith 8.4646 IN Ring Gear | View on Amazon |
| SKF | 15547 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| WJB / INMOTION PARTS | WS711065 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith 8.4646 IN Ring Gear | 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.
5 Axle Shaft Seal parts are listed for the 2005 Cadillac XLR, from GM GENUINE, MOTIVE GEAR, NATIONAL and 2 other brands. GM GENUINE 291354 carries the "Popular" badge.
Part numbers include GM GENUINE 291354, MOTIVE GEAR 9009004260 and NATIONAL 711065, among others listed above.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOP NOTCH Popular | TN20118 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| GM GENUINE | 22873444 | 🇺🇸 US 🇨🇦 CA | Rear3444 | View on Amazon |
| GSP | NCV10999 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| TRAKMOTIVE | GM8214 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Include ABS Ring | View on Amazon |
| TRAKMOTIVE | GM86072 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | 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.
5 CV Axle parts are listed for the 2005 Cadillac XLR, from TRAKMOTIVE, TOP NOTCH, GM GENUINE and 1 other brand. TOP NOTCH TN20118 carries the "Popular" badge.
Listed part numbers: TOP NOTCH TN20118, GM GENUINE 22873444 and GSP NCV10999, plus the other parts above.
Differential Carrier Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WT382A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| WJB / INMOTION PARTS | WT387A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith 8.4646 IN Ring Gear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN Popular | 382A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race Only | View on Amazon |
| TIMKEN Popular | 387A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| ACDELCO | 382A | 🇺🇸 US 🇨🇦 CA | GoldRace Only | View on Amazon |
| BCA | NB382A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| BCA | NB387A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith 625 Transmission Code | View on Amazon |
| SCHAEFFLER | 382A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race Only | View on Amazon |
| SCHAEFFLER | K387A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear21.95 mm Width | View on Amazon |
| SKF | 382AVP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
This table covers the bearings and races that support the differential carrier.
10 Differential Carrier Bearing / Race parts are listed for the 2005 Cadillac XLR, from WJB / INMOTION PARTS, TIMKEN, BCA and 3 other brands. TIMKEN 382A carries the "Popular" badge.
In the Economy grade, WJB / INMOTION PARTS supplies 2 parts: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS WT382A.
The Standard Replacement section lists 8 options from TIMKEN, BCA, SCHAEFFLER and 2 other brands — built to original-equipment specification. TIMKEN 382A is listed in this group.
Differential Carrier Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 89058602 | 🇺🇸 US 🇨🇦 CA | M8X1.25X30,24 ThreadFlange Head | View on Amazon |
| GM GENUINE | 11516862 | 🇺🇸 US 🇨🇦 CA | HFH Dome HD M10X1.5X40 9,8 7114M 30,80D HDR PTCarrier Assembly to Trans | View on Amazon |
This table covers the Differential Carrier bolts.
2 Differential Carrier Bolt parts for the 2005 Cadillac XLR come from GM GENUINE.
Part numbers include GM GENUINE 89058602 and GM GENUINE 11516862.
Differential Carrier Shim
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 89060042 | 🇺🇸 US 🇨🇦 CA | 87X96.3X1.60MM | View on Amazon |
| GM GENUINE | 89060044 | 🇺🇸 US 🇨🇦 CA | 87X96.3X1.40MM | View on Amazon |
This table covers the Differential Carrier shims.
2 Differential Carrier Shim parts for the 2005 Cadillac XLR come from GM GENUINE.
Part numbers include GM GENUINE 89060042 and GM GENUINE 89060044.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 89060114 | 🇺🇸 US 🇨🇦 CA | Rear2nd Design has Edge Bonded Gasket | View on Amazon |
This table covers the gaskets that seal the Differential Cover. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2005 Cadillac XLR — GM GENUINE 89060114.
Differential Fill / Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 19256068 | 🇺🇸 US 🇨🇦 CA | Rear DifferentialM20X1.5X16 | View on Amazon |
This table covers the Differential Fill drain plugs.
One part is listed for the 2005 Cadillac XLR — GM GENUINE 19256068.
Differential Pinion Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular | NBNP201062 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Innerwith Getrag 625 Axle(S) | View on Amazon |
| NATIONAL Popular | NP201062 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Innerwith 8.4646 IN Ring Gear | View on Amazon |
| BCA | NBNP101912 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| BCA | NBNP908986 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| BCA | NBNP568415 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith Getrag 625 Axle(S) | View on Amazon |
| NATIONAL | NP908986 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| NATIONAL | NP568415 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear OuterTaper Bearing Cone Style | View on Amazon |
| NATIONAL | A63 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Taper Bearing Set Includes Cup and Cone | View on Amazon |
| NATIONAL | A69 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Taper Bearing Set Includes Cup and Cone | View on Amazon |
This table covers the bearings and races on the differential pinion.
9 Differential Pinion Bearing / Race parts for the 2005 Cadillac XLR come from 2 brands — NATIONAL and BCA. The "Popular" part is BCA NBNP201062.
Part numbers include BCA NBNP201062, NATIONAL NP201062 and BCA NBNP101912, among others listed above.
Differential Ring Gear Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 89060126 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Differential Ring Gear bolts.
One part is listed for the 2005 Cadillac XLR — GM GENUINE 89060126.
Differential Side Cover Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 89047953 | 🇺🇸 US 🇨🇦 CA | O-RING203X3 | View on Amazon |
This table covers the seals at the Differential Side 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.
This group shows a single part: GM GENUINE 89047953.
Differential Washer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 89058604 | 🇺🇸 US 🇨🇦 CA | Pinion Gear Thrust Washer | View on Amazon |
This table covers the Differential washers.
One part is listed for the 2005 Cadillac XLR — GM GENUINE 89058604.
Buying Drivetrain Parts for a 2005 Cadillac XLR
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 4.6L V8 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: Differential Carrier Bearing / Race and Differential Pinion Bearing / Race .
Frequently Asked Questions
How many drivetrain parts fit the 2005 Cadillac XLR?
Our catalog currently lists 40 drivetrain parts for the 2005 Cadillac XLR across 12 subcategories and 12 brands, covering the 4.6L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2005 Cadillac XLR?
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 2005 Cadillac XLR 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 2005 Cadillac XLR?
Every part on this page is matched to the 4.6L V8 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 2005 Cadillac XLR
Drivetrain Parts for Other Cadillac XLR Years
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