This page lists 39 drivetrain parts for the 1975 MG MGB, across 4 part types, covering both the 1.8L L4 and the 3.5L V8. Every part shows its brand, manufacturer part number and fitment notes.
On the 1975 MG MGB, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are Differential Pinion Bearing / Race (18 parts), Differential Carrier Bearing / Race (12 parts) and Universal Joint (6 parts). The other 1 part type covers the remaining 3 parts.
The 1975 MG MGB was sold with both the 1.8L L4 and the 3.5L V8. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
10 brands supply drivetrain parts for the 1975 MG MGB, led by TIMKEN (7 parts), SKF (7 parts) and WJB / INMOTION PARTS (6 parts), plus 7 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1975 MG MGB. 9 parts have it, including WJB / INMOTION PARTS WTA36 (Differential Carrier Bearing / Race) and WJB / INMOTION PARTS WTM88048 (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 Fits: 3.5L V8 | WTA36 | 🇺🇸 US | Rearwith British Leyland Axle | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.5L V8 | WTLM603012 | 🇺🇸 US | Race | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.5L V8 | A36 | 🇺🇸 US 🇨🇦 CA | GoldSet | View on Amazon |
| TIMKEN Popular Fits: 3.5L V8 | SET36 | 🇺🇸 US | Tapered Roller Bearing | View on Amazon |
| BCA Fits: 3.5L V8 | NBA36 | 🇺🇸 US | Taper Bearing SetIncludes Cup and Cone | View on Amazon |
| NSK Fits: 3.5L V8 | TRB36 | 🇺🇸 US | Kit Contents: 1 Cup, 1 ConeBearing and Race Set | View on Amazon |
| SCHAEFFLER Fits: 3.5L V8 | LM603012 | 🇺🇸 US | Race | View on Amazon |
| SCHAEFFLER Fits: 3.5L V8 | KT36 | 🇺🇸 US | Rear1.781 In Inside Diameter X 3.063 In Outside Diameter X 0.844 In Thick | View on Amazon |
| SCHAEFFLER Fits: 3.5L V8 | KLM603049 | 🇺🇸 US | Bearing Only | View on Amazon |
| SKF Fits: 3.5L V8 | LM603012 | 🇺🇸 US | Race | View on Amazon |
| SKF Fits: 3.5L V8 | LM603049VP | 🇺🇸 US | with 1.7810 In. Bearing Inside Diameter | View on Amazon |
| SKF Fits: 3.5L V8 | BR36 | 🇺🇸 US | Rear | 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 1975 MG MGB, from SCHAEFFLER, SKF, WJB / INMOTION PARTS and 4 other brands. WJB / INMOTION PARTS WTA36 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 WTA36.
The Standard Replacement section lists 10 options from SCHAEFFLER, SKF, ACDELCO and 3 other brands — built to original-equipment specification. ACDELCO A36 is listed in this group.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular Fits: 3.5L V8 | WTM88048 | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.5L V8 | WTM88010 | 🇺🇸 US | RaceCup Outside Diameter (In): 2.6880000000000002 In | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.5L V8 | WTHM801346X | 🇺🇸 US | Width: 1.125 In | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.5L V8 | WTHM801310 | 🇺🇸 US | RaceWidth: 0.90600000000000003 In | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Popular Fits: 3.5L V8 | BR52 | 🇺🇸 US | Rear Outer | View on Amazon |
| TIMKEN Popular Fits: 3.5L V8 | M88010 | 🇺🇸 US | Race | View on Amazon |
| TIMKEN Popular Fits: 3.5L V8 | M88048 | 🇺🇸 US | Fits Rear OuterBanjo Type Differential | View on Amazon |
| BCA Fits: 3.5L V8 | NBM88010 | 🇺🇸 US | Race | View on Amazon |
| BCA Fits: 3.5L V8 | NBM88048 | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
| BCA Fits: 3.5L V8 | NBHM801310 | 🇺🇸 US | Race | View on Amazon |
| BCA Fits: 3.5L V8 | NBBR52 | 🇺🇸 US | Bearing & Race | View on Amazon |
| BCA Fits: 3.5L V8 | NBHM801346X | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
| SCHAEFFLER Fits: 3.5L V8 | M88010 | 🇺🇸 US | Race | View on Amazon |
| SCHAEFFLER Fits: 3.5L V8 | KT63 | 🇺🇸 US | Front Outer | View on Amazon |
| SCHAEFFLER Fits: 3.5L V8 | KM88048 | 🇺🇸 US | Rear Outer1.313 In Inside Diameter X 2.688 In Outside Diameter X 0.875 In Thick | View on Amazon |
| SKF Fits: 3.5L V8 | M88010VP | 🇺🇸 US | Race | View on Amazon |
| TIMKEN Fits: 3.5L V8 | HM801310 | 🇺🇸 US | Race | View on Amazon |
| TIMKEN Fits: 3.5L V8 | HM801346X | 🇺🇸 US | Fits Rear InnerBanjo Type Differential | View on Amazon |
This table covers the bearings and races on the differential pinion.
18 Differential Pinion Bearing / Race parts for the 1975 MG MGB come from 5 brands — BCA, WJB / INMOTION PARTS, TIMKEN and 2 other brands. The "Popular" part is WJB / INMOTION PARTS WTM88048.
The Economy section: 4 options from WJB / INMOTION PARTS. WJB / INMOTION PARTS WTM88048 is listed in this group.
Standard Replacement: 14 parts, from BCA, TIMKEN, SCHAEFFLER and 1 other brand. A representative part number is SKF BR52.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Fits: 3.5L V8 | 17184 | 🇺🇸 US | Rear | View on Amazon |
| TIMKEN Fits: 3.5L V8 | 481837 | 🇺🇸 US | RearBanjo Type Differential | View on Amazon |
| TIMKEN Fits: 3.5L V8 | 224470 | 🇺🇸 US | RearTube Type Differential | 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.
3 Differential Pinion Seal parts are listed for the 1975 MG MGB, from TIMKEN and SKF.
Part numbers include SKF 17184, TIMKEN 481837 and TIMKEN 224470.
Universal Joint
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DANA Fits: 3.5L V8 | 25101X | 🇺🇸 US | Spicer SelectNon-Greasable | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB Popular Fits: 3.5L V8 | 2200500 | 🇺🇸 US | GreasableGrease Fitting in Cross | View on Amazon |
| MOOG Popular Fits: 3.5L V8 | 341 | 🇺🇸 US | Fits Rear Driveshaft at Rear AxleExcept Short Grease Fitting | View on Amazon |
| DANA Fits: 3.5L V8 | 5101X | 🇺🇸 US | SpicerNon-Greasable | View on Amazon |
| GMB Fits: 3.5L V8 | 2200600 | 🇺🇸 US | GreasableGrease Fitting in Bearing Cap | View on Amazon |
| SKF Fits: 3.5L V8 | UJ341 | 🇺🇸 US | Greaseable | View on Amazon |
This table covers the U-joints in the driveshaft.
6 Universal Joint parts are listed for the 1975 MG MGB, 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 1975 MG MGB
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Match the engine first. Every drivetrain part here is engine-specific; each row shows which engine(s) it fits.
- 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 MG MGB?
Our catalog currently lists 39 drivetrain parts for the 1975 MG MGB across 4 subcategories and 10 brands, covering both the 1.8L L4 and the 3.5L V8. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 1975 MG MGB engines?
Yes. Every drivetrain part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of drivetrain problems on a 1975 MG MGB?
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 MG MGB 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 MG MGB?
First match the engine — each row shows which engine(s) the part fits. 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 MG MGB
Drivetrain Parts for Other MG MGB Years
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