35 Drivetrain parts are listed for the 1975 Triumph TR6, in 5 part types, covering the 2.5L L6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1975 Triumph TR6, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 28 parts of the 35 listed are Differential Pinion Bearing / Race (16 parts), Differential Carrier Bearing / Race (6 parts) and Universal Joint (6 parts). The other 2 part types cover the remaining 7 parts.
Every part on this page is matched to the 2.5L L6 — the only engine offered in the 1975 Triumph TR6.
The most listed brands for 1975 Triumph TR6 drivetrain parts are TIMKEN (7 parts), SKF (6 parts) and SCHAEFFLER (6 parts), plus 8 more brands. Quality grades include Standard Replacement and Economy.
9 parts on this 1975 Triumph TR6 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including TIMKEN 16150 (Differential Carrier Bearing / Race) and WJB / INMOTION PARTS WT15245 (Differential Pinion Bearing / Race). Click any part number to see every vehicle that part fits.
Differential Carrier Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN Popular | 16150 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| TIMKEN Popular | 16283 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NB16283 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NB16150 | 🇺🇸 US 🇨🇦 CA | Rearwith Standard CD Axle(s) | View on Amazon |
| SKF | BR16150 | 🇺🇸 US 🇨🇦 CA | with 1.5000 In. Bearing Inside Diameter | View on Amazon |
| SKF | BR16283 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
This table covers the bearings and races that support the differential carrier.
6 Differential Carrier Bearing / Race parts for the 1975 Triumph TR6 come from 3 brands — TIMKEN, BCA and SKF. The "Popular" part is TIMKEN 16150.
Part numbers include TIMKEN 16150, TIMKEN 16283 and BCA NB16283, among others listed above.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WT15245 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS | WT15100 | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Standard CD Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | AC15245 | 🇺🇸 US 🇨🇦 CA | GoldRace Only | View on Amazon |
| BCA Popular | NB15245 | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
| TIMKEN Popular | 15245 | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
| BCA | NB15100 | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Standard CD Axle(s) | View on Amazon |
| BCA | NB3120 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| SCHAEFFLER | K3188 | 🇺🇸 US 🇨🇦 CA | Rear Inner | View on Amazon |
| SCHAEFFLER | 15245 | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
| SCHAEFFLER | 501014 | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
| SCHAEFFLER | K15100 | 🇺🇸 US 🇨🇦 CA | Rear Outer20.638 mm Width | View on Amazon |
| SKF | BR15245 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| SKF | BR15100 | 🇺🇸 US 🇨🇦 CA | with 1.0000 In. Bearing Inside Diameter | View on Amazon |
| TIMKEN | 15100 | 🇺🇸 US 🇨🇦 CA | Rear Outer | View on Amazon |
| TIMKEN | 3120 | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
| TIMKEN | 3188 | 🇺🇸 US 🇨🇦 CA | Rear Inner | View on Amazon |
This table covers the bearings and races on the differential pinion.
16 Differential Pinion Bearing / Race parts are listed for the 1975 Triumph TR6, from TIMKEN, SCHAEFFLER, BCA and 3 other brands. WJB / INMOTION PARTS WT15245 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 WT15245.
The Standard Replacement section lists 14 options from TIMKEN, SCHAEFFLER, BCA and 2 other brands — built to original-equipment specification. ACDELCO AC15245 is listed in this group.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SR3477 | 🇺🇸 US 🇨🇦 CA | Rearwith 1.500 In Shaft | View on Amazon |
| WJB / INMOTION PARTS | WS99149 | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Standard CD Transmission | View on Amazon |
This table covers the wear sleeves used to restore a grooved pinion seal surface.
2 Differential Pinion Repair Sleeve parts for the 1975 Triumph TR6 come from 2 brands — SCHAEFFLER and WJB / INMOTION PARTS.
This group includes SCHAEFFLER SR3477 and WJB / INMOTION PARTS WS99149.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Popular | 15207 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| NATIONAL | 470487N | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Standard CD Transmission | View on Amazon |
| SCHAEFFLER | SS2582 | 🇺🇸 US 🇨🇦 CA | Rear2.69" O.D. X 0.5" Width | View on Amazon |
| TIMKEN | 470487N | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| WJB / INMOTION PARTS | WS470487N | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Standard CD Transmission | View on Amazon |
This table covers the seals at the differential pinion yoke. 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 Differential Pinion Seal parts for the 1975 Triumph TR6 come from 5 brands — SKF, NATIONAL, SCHAEFFLER and 2 other brands. The "Popular" part is SKF 15207.
Listed part numbers: SKF 15207, NATIONAL 470487N and SCHAEFFLER SS2582, plus the other parts above.
Universal Joint
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DANA | 253214X | 🇺🇸 US 🇨🇦 CA | Spicer SelectGreasable | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB Popular | 2201100 | 🇺🇸 US 🇨🇦 CA | GreasableGrease Fitting in Cross | View on Amazon |
| MOOG Popular | 344 | 🇺🇸 US 🇨🇦 CA | Fits Rear Driveshaft at Rear Axle | View on Amazon |
| DANA | 53214X | 🇺🇸 US 🇨🇦 CA | SpicerGreasable | View on Amazon |
| FVP | 2201100 | 🇺🇸 US 🇨🇦 CA | GreasableGrease Fitting in Cross | View on Amazon |
| SKF | UJ344 | 🇺🇸 US 🇨🇦 CA | Greaseable | View on Amazon |
This table covers the U-joints in the driveshaft.
6 Universal Joint parts for the 1975 Triumph TR6 come from 5 brands — DANA, GMB, MOOG and 2 other brands. The "Popular" part is GMB 2201100.
The Economy section: 1 option from DANA. DANA 253214X is listed in this group.
Standard Replacement: 5 parts, from GMB, MOOG, DANA and 2 other brands. A representative part number is GMB 2201100.
This group includes GMB 2201100, DANA 253214X and MOOG 344 and the remaining parts above.
Buying Drivetrain Parts for a 1975 Triumph TR6
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 2.5L L6 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 1975 Triumph TR6?
Our catalog currently lists 35 drivetrain parts for the 1975 Triumph TR6 across 5 subcategories and 11 brands, covering the 2.5L L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1975 Triumph TR6?
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 1975 Triumph TR6 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 1975 Triumph TR6?
Every part on this page is matched to the 2.5L L6 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 1975 Triumph TR6
Drivetrain Parts for Other Triumph TR6 Years
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