30 Drivetrain parts are listed for the 2003 Jaguar XK8, in 9 part types, covering the 4.2L V8 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2003 Jaguar XK8, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 22 parts of the 30 listed are Differential Pinion Bearing / Race (10 parts), Differential Carrier Bearing / Race (8 parts) and Differential Pinion Shim (4 parts). The other 6 part types cover the remaining 8 parts.
The 2003 Jaguar XK8 came with a single engine, the 4.2L V8, and every part is verified against it.
7 brands supply drivetrain parts for the 2003 Jaguar XK8, led by WJB / INMOTION PARTS (7 parts), BCA (7 parts) and MOTIVE GEAR (6 parts), plus 4 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2003 Jaguar XK8. 4 parts have it, including NATIONAL 25523 (Differential Carrier Bearing / Race) and WJB / INMOTION PARTS WTM88010 (Differential Pinion Bearing / Race). Each part number opens a page with every vehicle that part fits.
Axle Shaft Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WTA17 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bearing & Race Set | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NBA17 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bearing & Race SetIncludes Cup and Cone | 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 2003 Jaguar XK8 come from 2 brands — WJB / INMOTION PARTS and BCA.
The Economy section lists 1 option from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS WTA17 is listed in this group.
In the Standard Replacement grade, BCA supplies 1 part: built to original-equipment specification. A representative part number is BCA NBA17.
This group includes WJB / INMOTION PARTS WTA17 and BCA NBA17.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN | 710895 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | 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.
One part is listed for the 2003 Jaguar XK8 — TIMKEN 710895.
Differential Carrier Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WT25523 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| WJB / INMOTION PARTS | WT25577 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith Salisbury 4HU Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 25523 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| TIMKEN Popular | 25523 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| BCA | NB25523 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| BCA | NB25577 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith Salisbury 4HU Axle | View on Amazon |
| NATIONAL | 25577 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith Salisbury 4HU Axle | View on Amazon |
| TIMKEN | 25577 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear4HU | View on Amazon |
This table covers the bearings and races that support the differential carrier.
8 Differential Carrier Bearing / Race parts are listed for the 2003 Jaguar XK8, from WJB / INMOTION PARTS, NATIONAL, TIMKEN and 1 other brand. NATIONAL 25523 carries the "Popular" badge.
Economy: 2 parts, from WJB / INMOTION PARTS. A representative part number is WJB / INMOTION PARTS WT25523.
The Standard Replacement section: 6 options from NATIONAL, TIMKEN and BCA. NATIONAL 25523 is listed in this group.
Listed part numbers: NATIONAL 25523, WJB / INMOTION PARTS WT25523 and WJB / INMOTION PARTS WT25577, plus the other parts above.
Differential Carrier Shim
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTIVE GEAR | 1115 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Differential Carrier Shim KitCarrier Shim Pack | View on Amazon |
This table covers the Differential Carrier shims.
This group shows a single part: MOTIVE GEAR 1115.
Differential Gear Installation Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTIVE GEAR | D44IK | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Differential Gear Install Kit | View on Amazon |
This table covers the Differential Gear Installation kits.
This group shows a single part: MOTIVE GEAR D44IK.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WTM88010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RaceCup Outside Diameter (In): 2.6880000000000002 In | View on Amazon |
| FAMOUS BRAND | SM88010 | 🇺🇸 US 🇨🇦 CA | RearOUTER | View on Amazon |
| WJB / INMOTION PARTS | WTM88043 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith Salisbury 4HU Axle | View on Amazon |
| WJB / INMOTION PARTS | WTHM89410 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RaceCup Outside Diameter (mm): 76.2 MM | View on Amazon |
| WJB / INMOTION PARTS | WTHM89446 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Innerwith Salisbury 4HU Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular | NBM88010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| BCA | NBHM89410 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| BCA | NBM88043 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith Salisbury 4HU Axle | View on Amazon |
| BCA | NBHM89446 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bearing Shape: Cylindrical | View on Amazon |
| NATIONAL | M88043 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith Salisbury 4HU Axle | View on Amazon |
This table covers the bearings and races on the differential pinion.
10 Differential Pinion Bearing / Race parts for the 2003 Jaguar XK8 come from 4 brands — WJB / INMOTION PARTS, BCA, FAMOUS BRAND and 1 other brand. The "Popular" part is WJB / INMOTION PARTS WTM88010.
The Economy section: 5 options from WJB / INMOTION PARTS and FAMOUS BRAND. WJB / INMOTION PARTS WTM88010 is listed in this group.
Standard Replacement: 5 parts, from BCA and NATIONAL. A representative part number is BCA NBM88010.
Differential Pinion Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTIVE GEAR | 30185 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Differential Pinion Shaft NutPinion Nut | View on Amazon |
This table covers the Differential Pinion nuts.
One part is listed for the 2003 Jaguar XK8 — MOTIVE GEAR 30185.
Differential Pinion Shim
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTIVE GEAR | 1113 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pinion Shim PackFor 30 Spline | View on Amazon |
| MOTIVE GEAR | 1114 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Crush Sleeve | View on Amazon |
| MOTIVE GEAR | 1104 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pinion Shim Pack | View on Amazon |
| RICHMOND | 3800191 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear DifferentialDana 44 | View on Amazon |
This table covers the Differential Pinion shims.
4 Differential Pinion Shim parts are listed for the 2003 Jaguar XK8, from MOTIVE GEAR and RICHMOND.
This group includes MOTIVE GEAR 1113, MOTIVE GEAR 1114 and MOTIVE GEAR 1104 and the remaining parts above.
Differential Rebuild Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RICHMOND | XL10331 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | EXCel | View on Amazon |
| RICHMOND | 8310331 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Master KitTimken Bearings | View on Amazon |
This table covers kits that group the bearings, races and seals for a differential rebuild.
2 Differential Rebuild Kit parts for the 2003 Jaguar XK8 come from RICHMOND.
Listed part numbers: RICHMOND XL10331 and RICHMOND 8310331.
Buying Drivetrain Parts for a 2003 Jaguar XK8
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 4.2L 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 Pinion Bearing / Race and Differential Carrier Bearing / Race .
Frequently Asked Questions
How many drivetrain parts fit the 2003 Jaguar XK8?
Our catalog currently lists 30 drivetrain parts for the 2003 Jaguar XK8 across 9 subcategories and 7 brands, covering the 4.2L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2003 Jaguar XK8?
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 2003 Jaguar XK8 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 2003 Jaguar XK8?
Every part on this page is matched to the 4.2L 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 2003 Jaguar XK8
Drivetrain Parts for Other Jaguar XK8 Years
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