25 Drivetrain parts are listed for the 1978 Bentley T2 Series, in 2 part types, covering the 6.8L V8 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1978 Bentley T2 Series, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 25 listed parts are Differential Pinion Bearing / Race (13 parts) and Differential Carrier Bearing / Race (12 parts).
Every part on this page is matched to the 6.8L V8 — the only engine offered in the 1978 Bentley T2 Series.
The most listed brands for 1978 Bentley T2 Series drivetrain parts are WJB / INMOTION PARTS (8 parts), TIMKEN (8 parts) and BCA (8 parts), plus 1 more brand. Quality grades include Standard Replacement and Economy.
6 parts on this 1978 Bentley T2 Series page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including TIMKEN 25520 (Differential Carrier Bearing / Race) and TIMKEN HM88610 (Differential Pinion Bearing / Race). Click any part number to see every vehicle that part fits.
Differential Carrier Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WT362A | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS | WT29590 | 🇺🇸 US 🇨🇦 CA | Rear Leftwith Rolls-Royce Axle | View on Amazon |
| WJB / INMOTION PARTS | WT29520 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS | WT368A | 🇺🇸 US 🇨🇦 CA | Rear Rightwith Rolls-Royce Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN Popular | 25520 | 🇺🇸 US 🇨🇦 CA | RaceRace Bearing | View on Amazon |
| TIMKEN Popular | 362A | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
| TIMKEN Popular | 25590 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| BCA | NB362A | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NB29520 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NB368A | 🇺🇸 US 🇨🇦 CA | Repair Bearing | View on Amazon |
| BCA | NB29590 | 🇺🇸 US 🇨🇦 CA | Rear Leftwith Rolls-Royce Axle(s) | View on Amazon |
| TIMKEN | 368A | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
This table covers the bearings and races that support the differential carrier.
12 Differential Carrier Bearing / Race parts for the 1978 Bentley T2 Series come from 3 brands — WJB / INMOTION PARTS, TIMKEN and BCA. The "Popular" part is TIMKEN 25520.
The Economy section lists 4 options from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS WT362A is listed in this group.
In the Standard Replacement grade, TIMKEN and BCA supply 8 parts: built to original-equipment specification. A representative part number is TIMKEN 25520.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND | SHM88610 | 🇺🇸 US 🇨🇦 CA | RearOuter | View on Amazon |
| WJB / INMOTION PARTS | WTHM88610 | 🇺🇸 US 🇨🇦 CA | Cup Outside Diameter (In): 2.8439999999999999 InRace | View on Amazon |
| WJB / INMOTION PARTS | WTHM903210 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS | WTHM88649 | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Rolls-Royce Axle | View on Amazon |
| WJB / INMOTION PARTS | WTHM903249 | 🇺🇸 US 🇨🇦 CA | Rear Innerwith Rolls-Royce Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN Popular | HM88610 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| TIMKEN Popular | HM88649 | 🇺🇸 US 🇨🇦 CA | Cone | View on Amazon |
| TIMKEN Popular | HM903249 | 🇺🇸 US 🇨🇦 CA | Rear Inner | View on Amazon |
| BCA | NBHM88610 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NBHM88649 | 🇺🇸 US 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| BCA | NBHM903210 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NBHM903249 | 🇺🇸 US 🇨🇦 CA | Rear Innerwith Rolls-Royce Axle(s) | View on Amazon |
| TIMKEN | HM903210 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
This table covers the bearings and races on the differential pinion.
13 Differential Pinion Bearing / Race parts are listed for the 1978 Bentley T2 Series, from WJB / INMOTION PARTS, TIMKEN, BCA and 1 other brand. TIMKEN HM88610 carries the "Popular" badge.
Economy: 5 parts, from WJB / INMOTION PARTS and FAMOUS BRAND. A representative part number is FAMOUS BRAND SHM88610.
The Standard Replacement section: 8 options from TIMKEN and BCA. TIMKEN HM88610 is listed in this group.
Buying Drivetrain Parts for a 1978 Bentley T2 Series
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 6.8L 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 1978 Bentley T2 Series?
Our catalog currently lists 25 drivetrain parts for the 1978 Bentley T2 Series across 2 subcategories and 4 brands, covering the 6.8L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1978 Bentley T2 Series?
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 1978 Bentley T2 Series 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 1978 Bentley T2 Series?
Every part on this page is matched to the 6.8L 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 1978 Bentley T2 Series
Drivetrain Parts for Other Bentley T2 Series Years
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