This page lists 36 drivetrain parts for the 1986 Bentley Eight, across 3 part types, covering the 6.8L V8 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 1986 Bentley Eight, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 36 listed parts are Differential Carrier Bearing / Race (13 parts), Differential Pinion Bearing / Race (13 parts) and Gear Oil (10 parts).
The 1986 Bentley Eight came with a single engine, the 6.8L V8, and every part is verified against it.
6 brands supply drivetrain parts for the 1986 Bentley Eight, led by VALVOLINE (10 parts), WJB / INMOTION PARTS (8 parts) and TIMKEN (8 parts), plus 3 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1986 Bentley Eight. 8 parts have it, including TIMKEN 25520 (Differential Carrier Bearing / Race) and TIMKEN HM88610 (Differential Pinion Bearing / Race). Each part number opens a page with 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 |
| SCHAEFFLER | 25520 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| TIMKEN | 368A | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
This table covers the bearings and races that support the differential carrier.
13 Differential Carrier Bearing / Race parts are listed for the 1986 Bentley Eight, from WJB / INMOTION PARTS, TIMKEN, BCA and 1 other brand. TIMKEN 25520 carries the "Popular" badge.
In the Economy grade, WJB / INMOTION PARTS supplies 4 parts: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS WT362A.
The Standard Replacement section lists 9 options from TIMKEN, BCA and SCHAEFFLER — built to original-equipment specification. TIMKEN 25520 is listed in this group.
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 | 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 |
| WJB / INMOTION PARTS | WTHM903210 | 🇺🇸 US 🇨🇦 CA | Race | 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 for the 1986 Bentley Eight come from 4 brands — WJB / INMOTION PARTS, TIMKEN, BCA and 1 other brand. The "Popular" part is TIMKEN HM88610.
The Economy section: 5 options from WJB / INMOTION PARTS and FAMOUS BRAND. FAMOUS BRAND SHM88610 is listed in this group.
Standard Replacement: 8 parts, from TIMKEN and BCA. A representative part number is TIMKEN HM88610.
Gear Oil
SAE 75W-90
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | VV820 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Popular | VV975 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE | 889785 | 🇺🇸 US 🇨🇦 CA | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE | 882505 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE | 723856 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
| VALVOLINE | VV822 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 75W-90 Gear Oil16 Gallon KEG | View on Amazon |
SAE 80W-90
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | VV831 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 80W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE | 773732 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 80W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE | VV838 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 80W-90 Gear Oil5 Gallon | View on Amazon |
| VALVOLINE | VV836 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 80W-90 Gear Oil16 Gallon KEG | 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.
VALVOLINE supplies the 10 Gear Oil parts for the 1986 Bentley Eight. VALVOLINE VV820 carries the "Popular" badge.
In the SAE 75W-90 grade, VALVOLINE supplies 6 parts: grouped under the catalog's "SAE 75W-90" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE VV820.
In the SAE 80W-90 grade, VALVOLINE supplies 4 parts: grouped under the catalog's "SAE 80W-90" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE VV831.
Buying Drivetrain Parts for a 1986 Bentley Eight
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 Carrier Bearing / Race and Differential Pinion Bearing / Race .
Frequently Asked Questions
How many drivetrain parts fit the 1986 Bentley Eight?
Our catalog currently lists 36 drivetrain parts for the 1986 Bentley Eight across 3 subcategories and 6 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 1986 Bentley Eight?
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 1986 Bentley Eight 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 1986 Bentley Eight?
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 1986 Bentley Eight
Drivetrain Parts for Other Bentley Eight Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.