This page lists 14 drivetrain parts for the 1970 Triumph Stag, across 3 part types, covering the 3.0L V8 engine. Every part shows its brand, manufacturer part number and fitment notes.
The drivetrain system on the 1970 Triumph Stag moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 14 listed parts are Differential Carrier Bearing / Race (5 parts), Universal Joint (5 parts) and Differential Pinion Bearing / Race (4 parts).
Every part on this page is matched to the 3.0L V8 — the only engine offered in the 1970 Triumph Stag.
The most listed brands for 1970 Triumph Stag drivetrain parts are BCA (4 parts), WJB / INMOTION PARTS (3 parts) and ACDELCO (2 parts), plus 4 more brands. Quality grades include Standard Replacement and Economy.
2 parts on this 1970 Triumph Stag page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including WJB / INMOTION PARTS WT15245 (Differential Carrier Bearing / Race) and GMB 2201100 (Universal Joint). 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 Popular | WT15245 | 🇺🇸 US | Race | View on Amazon |
| WJB / INMOTION PARTS | WT15123 | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | AC15245 | 🇺🇸 US 🇨🇦 CA | GoldRace Only | View on Amazon |
| BCA | NB15245 | 🇺🇸 US | Race Only | View on Amazon |
| BCA | NB15123 | 🇺🇸 US | Rearwith Standard LD Axle(s) | View on Amazon |
This table covers the bearings and races that support the differential carrier.
5 Differential Carrier Bearing / Race parts for the 1970 Triumph Stag come from 3 brands — WJB / INMOTION PARTS, BCA and ACDELCO. The "Popular" part is WJB / INMOTION PARTS WT15245.
The Economy section lists 2 options from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS WT15245 is listed in this group.
In the Standard Replacement grade, BCA and ACDELCO supply 3 parts: built to original-equipment specification. A representative part number is ACDELCO AC15245.
This group includes WJB / INMOTION PARTS WT15245, WJB / INMOTION PARTS WT15123 and ACDELCO AC15245 and the remaining parts above.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WT21212 | 🇺🇸 US | Race | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | AC15245 | 🇺🇸 US 🇨🇦 CA | GoldRace Only | View on Amazon |
| BCA | NB21212 | 🇺🇸 US | Race Only | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NB21075 | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
This table covers the bearings and races on the differential pinion.
4 Differential Pinion Bearing / Race parts are listed for the 1970 Triumph Stag, from BCA, WJB / INMOTION PARTS and ACDELCO.
Economy: 1 part, from WJB / INMOTION PARTS. A representative part number is WJB / INMOTION PARTS WT21212.
The Standard Replacement section: 2 options from ACDELCO and BCA. ACDELCO AC15245 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
This group includes WJB / INMOTION PARTS WT21212, ACDELCO AC15245 and BCA NB21212 and the remaining parts above.
Universal Joint
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DANA | 253214X | 🇺🇸 US | Spicer SelectGreasable | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB Popular | 2201100 | 🇺🇸 US | GreasableGrease Fitting in Cross | View on Amazon |
| DANA | 53214X | 🇺🇸 US | SpicerGreasable | View on Amazon |
| FVP | 2201100 | 🇺🇸 US | GreasableGrease Fitting in Cross | View on Amazon |
| SKF | UJ344 | 🇺🇸 US | Greaseable | View on Amazon |
This table covers the U-joints in the driveshaft.
5 Universal Joint parts for the 1970 Triumph Stag come from 4 brands — DANA, GMB, FVP and 1 other brand. The "Popular" part is GMB 2201100.
The Economy section: 1 option from DANA. DANA 253214X is listed in this group.
Standard Replacement: 4 parts, from GMB, DANA, FVP and 1 other brand. A representative part number is GMB 2201100.
Part numbers include GMB 2201100, DANA 253214X and DANA 53214X, among others listed above.
Buying Drivetrain Parts for a 1970 Triumph Stag
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 3.0L 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 Universal Joint .
Frequently Asked Questions
How many drivetrain parts fit the 1970 Triumph Stag?
Our catalog currently lists 14 drivetrain parts for the 1970 Triumph Stag across 3 subcategories and 7 brands, covering the 3.0L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1970 Triumph Stag?
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 1970 Triumph Stag 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 1970 Triumph Stag?
Every part on this page is matched to the 3.0L 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 1970 Triumph Stag
Drivetrain Parts for Other Triumph Stag Years
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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.