The 1957 Austin A35 has 8 drivetrain parts with verified fitment on this page — 3 part types and 3 brands, covering the 948cc L4 engine. Each part includes a manufacturer part number and application notes.
On the 1957 Austin A35, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 8 listed parts are Differential Pinion Bearing / Race (4 parts), Differential Pinion Repair Sleeve (2 parts) and Differential Pinion Seal (2 parts).
Every part on this page is matched to the 948cc L4 — the only engine offered in the 1957 Austin A35.
The most listed brands for 1957 Austin A35 drivetrain parts are WJB / INMOTION PARTS (4 parts), BCA (3 parts) and SCHAEFFLER (1 part). Quality grades include Economy and Standard Replacement.
Each part number listed for the 1957 Austin A35 opens a page with every vehicle that part fits.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WT15250X | 🇺🇸 US | RaceOutside Diameter: 2.5 In | View on Amazon |
| WJB / INMOTION PARTS | WT15100 | 🇺🇸 US | Rear Outerwith British-Leyland Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NB15250X | 🇺🇸 US | Race Only | View on Amazon |
| BCA | NB15100 | 🇺🇸 US | Rear Outerwith British Leyland Axle(s) | View on Amazon |
This table covers the bearings and races on the differential pinion.
4 Differential Pinion Bearing / Race parts are listed for the 1957 Austin A35, from WJB / INMOTION PARTS and BCA.
In the Economy grade, WJB / INMOTION PARTS supplies 2 parts: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS WT15250X.
The Standard Replacement section lists 2 options from BCA — built to original-equipment specification. BCA NB15250X is listed in this group.
Part numbers include WJB / INMOTION PARTS WT15250X, WJB / INMOTION PARTS WT15100 and BCA NB15250X, among others listed above.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SR3477 | 🇺🇸 US | Rearwith 1.500 In Shaft | View on Amazon |
| WJB / INMOTION PARTS | WS99149 | 🇺🇸 US | Rear Outerwith British Leyland Axle | 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 1957 Austin A35 come from 2 brands — SCHAEFFLER and WJB / INMOTION PARTS.
Part numbers include SCHAEFFLER SR3477 and WJB / INMOTION PARTS WS99149.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NS51098 | 🇺🇸 US | Rear Outerwith British Leyland Axle(s) | View on Amazon |
| WJB / INMOTION PARTS | WS51098 | 🇺🇸 US | Rear Outerwith British Leyland Axle | 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.
2 Differential Pinion Seal parts for the 1957 Austin A35 come from 2 brands — BCA and WJB / INMOTION PARTS.
This group includes BCA NS51098 and WJB / INMOTION PARTS WS51098.
Buying Drivetrain Parts for a 1957 Austin A35
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 948cc L4 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 Pinion Repair Sleeve .
Frequently Asked Questions
How many drivetrain parts fit the 1957 Austin A35?
Our catalog currently lists 8 drivetrain parts for the 1957 Austin A35 across 3 subcategories and 3 brands, covering the 948cc L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1957 Austin A35?
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 1957 Austin A35 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 1957 Austin A35?
Every part on this page is matched to the 948cc L4 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 1957 Austin A35
Drivetrain Parts for Other Austin A35 Years
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