The 1973 Triumph GT6 has 35 drivetrain parts with verified fitment on this page — 4 part types and 12 brands, covering the 2.0L L6 engine. Each part includes a manufacturer part number and application notes.
On the 1973 Triumph GT6, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 34 parts of the 35 listed are Differential Pinion Bearing / Race (16 parts), Differential Carrier Bearing / Race (12 parts) and Universal Joint (6 parts). The other 1 part type covers the remaining 1 part.
The 1973 Triumph GT6 came with a single engine, the 2.0L L6, and every part is verified against it.
12 brands supply drivetrain parts for the 1973 Triumph GT6, led by SKF (8 parts), TIMKEN (6 parts) and WJB / INMOTION PARTS (4 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 1973 Triumph GT6. 9 parts have it, including WJB / INMOTION PARTS WT15245 (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.
Differential Carrier Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WT15245 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| AUTO EXTRA | 15123 | 🇺🇸 US 🇨🇦 CA | Carrier BearingRear | View on Amazon |
| CHICAGO RAWHIDE | BR15123 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FAMOUS BRAND | S15123 | 🇺🇸 US 🇨🇦 CA | Carrier BearingRear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN Popular | 15245 | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
| TIMKEN Popular | 15123 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| ACDELCO | AC15245 | 🇺🇸 US 🇨🇦 CA | GoldRace Only | View on Amazon |
| BCA | NB15245 | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
| SCHAEFFLER | 15245 | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
| SCHAEFFLER | 501014 | 🇺🇸 US 🇨🇦 CA | Race Only | View on Amazon |
| SKF | BR15245 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| SKF | BR15123 | 🇺🇸 US 🇨🇦 CA | with 1.2500 In. Bearing Inside Diameterwith 2.5000 In. Outside Diameter Bearing(S) | View on Amazon |
This table covers the bearings and races that support the differential carrier.
12 Differential Carrier Bearing / Race parts are listed for the 1973 Triumph GT6, from TIMKEN, SCHAEFFLER, SKF and 6 other brands. WJB / INMOTION PARTS WT15245 carries the "Popular" badge.
In the Economy grade, WJB / INMOTION PARTS, AUTO EXTRA, CHICAGO RAWHIDE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS WT15245.
The Standard Replacement section lists 8 options from TIMKEN, SCHAEFFLER, SKF and 2 other brands — built to original-equipment specification. TIMKEN 15245 is listed in this group.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WTM88010 | 🇺🇸 US 🇨🇦 CA | RaceCup Outside Diameter (In): 2.6880000000000002 In | View on Amazon |
| AUTO EXTRA | M84548 | 🇺🇸 US 🇨🇦 CA | RearOuter | View on Amazon |
| FAMOUS BRAND | SM88010 | 🇺🇸 US 🇨🇦 CA | RearInner | View on Amazon |
| WJB / INMOTION PARTS | WTM84510 | 🇺🇸 US 🇨🇦 CA | RaceCup Outside Diameter (In): 2.25 In | View on Amazon |
| WJB / INMOTION PARTS | WTM84548 | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Standard KE Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular | NBM88010 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| TIMKEN Popular | M88010 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| TIMKEN Popular | M84510 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NBM84510 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NBM84548 | 🇺🇸 US 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| SKF | M84510 | 🇺🇸 US 🇨🇦 CA | Rear Outer | View on Amazon |
| SKF | M84510VP | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| SKF | M84548 | 🇺🇸 US 🇨🇦 CA | Rear Outer | View on Amazon |
| SKF | M84548VP | 🇺🇸 US 🇨🇦 CA | with 1.0000 In. Bearing Inside Diameter | View on Amazon |
| TIMKEN | M88040 | 🇺🇸 US 🇨🇦 CA | Rear Inner | View on Amazon |
| TIMKEN | M84548 | 🇺🇸 US 🇨🇦 CA | Rear Outer | View on Amazon |
This table covers the bearings and races on the differential pinion.
16 Differential Pinion Bearing / Race parts for the 1973 Triumph GT6 come from 6 brands — TIMKEN, SKF, WJB / INMOTION PARTS and 3 other brands. The "Popular" part is WJB / INMOTION PARTS WTM88010.
The Economy section: 5 options from WJB / INMOTION PARTS, AUTO EXTRA and FAMOUS BRAND. WJB / INMOTION PARTS WTM88010 is listed in this group.
Standard Replacement: 11 parts, from TIMKEN, SKF and BCA. A representative part number is BCA NBM88010.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF | 13419 | 🇺🇸 US 🇨🇦 CA | Rear | 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.
One part is listed for the 1973 Triumph GT6 — SKF 13419.
Universal Joint
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DANA | 25101X | 🇺🇸 US 🇨🇦 CA | Spicer SelectNon-Greasable | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB Popular | 2200500 | 🇺🇸 US 🇨🇦 CA | GreasableGrease Fitting in Cross | View on Amazon |
| MOOG Popular | 341 | 🇺🇸 US 🇨🇦 CA | Fits Rear Driveshaft at Rear AxleExcept Short Grease Fitting | View on Amazon |
| DANA | 5101X | 🇺🇸 US 🇨🇦 CA | SpicerNon-Greasable | View on Amazon |
| GMB | 2200600 | 🇺🇸 US 🇨🇦 CA | GreasableGrease Fitting in Bearing Cap | View on Amazon |
| SKF | UJ341 | 🇺🇸 US 🇨🇦 CA | Greaseable | View on Amazon |
This table covers the U-joints in the driveshaft.
6 Universal Joint parts are listed for the 1973 Triumph GT6, from DANA, GMB, MOOG and 1 other brand. GMB 2200500 carries the "Popular" badge.
Economy: 1 part, from DANA. A representative part number is DANA 25101X.
The Standard Replacement section: 5 options from GMB, MOOG, DANA and 1 other brand. GMB 2200500 is listed in this group.
Listed part numbers: GMB 2200500, DANA 25101X and MOOG 341, plus the other parts above.
Buying Drivetrain Parts for a 1973 Triumph GT6
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 2.0L 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 1973 Triumph GT6?
Our catalog currently lists 35 drivetrain parts for the 1973 Triumph GT6 across 4 subcategories and 12 brands, covering the 2.0L L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1973 Triumph GT6?
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 1973 Triumph GT6 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 1973 Triumph GT6?
Every part on this page is matched to the 2.0L 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 1973 Triumph GT6
Drivetrain Parts for Other Triumph GT6 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.