41 Drivetrain parts are listed for the 1972 MG MGB, in 4 part types, covering the 1.8L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The drivetrain system on the 1972 MG MGB moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are Differential Pinion Bearing / Race (20 parts), Differential Carrier Bearing / Race (12 parts) and Universal Joint (6 parts). The other 1 part type covers the remaining 3 parts.
Every part on this page is matched to the 1.8L L4 — the only engine offered in the 1972 MG MGB.
The most listed brands for 1972 MG MGB drivetrain parts are TIMKEN (7 parts), SKF (7 parts) and WJB / INMOTION PARTS (6 parts), plus 9 more brands. Quality grades include Standard Replacement and Economy.
9 parts on this 1972 MG MGB page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including WJB / INMOTION PARTS WTA36 (Differential Carrier Bearing / Race) and WJB / INMOTION PARTS WTM88048 (Differential Pinion Bearing / Race). 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 | WTA36 | 🇺🇸 US 🇨🇦 CA | Rearwith British Leyland Axle | View on Amazon |
| WJB / INMOTION PARTS | WTLM603012 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | A36 | 🇺🇸 US 🇨🇦 CA | GoldSet | View on Amazon |
| TIMKEN Popular | SET36 | 🇺🇸 US 🇨🇦 CA | Tapered Roller Bearing | View on Amazon |
| BCA | NBA36 | 🇺🇸 US 🇨🇦 CA | Taper Bearing SetIncludes Cup and Cone | View on Amazon |
| NSK | TRB36 | 🇺🇸 US 🇨🇦 CA | Kit Contents: 1 Cup, 1 ConeBearing and Race Set | View on Amazon |
| SCHAEFFLER | LM603012 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| SCHAEFFLER | KT36 | 🇺🇸 US 🇨🇦 CA | Rear1.781 In Inside Diameter X 3.063 In Outside Diameter X 0.844 In Thick | View on Amazon |
| SCHAEFFLER | KLM603049 | 🇺🇸 US 🇨🇦 CA | Bearing Only | View on Amazon |
| SKF | LM603012 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| SKF | LM603049VP | 🇺🇸 US 🇨🇦 CA | with 1.7810 In. Bearing Inside Diameter | View on Amazon |
| SKF | BR36 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the bearings and races that support the differential carrier.
12 Differential Carrier Bearing / Race parts for the 1972 MG MGB come from 7 brands — SCHAEFFLER, SKF, WJB / INMOTION PARTS and 4 other brands. The "Popular" part is WJB / INMOTION PARTS WTA36.
The Economy section lists 2 options from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS WTA36 is listed in this group.
In the Standard Replacement grade, SCHAEFFLER, SKF, ACDELCO and 3 other brands supply 10 parts: built to original-equipment specification. A representative part number is ACDELCO A36.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WTM88048 | 🇺🇸 US 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| FAMOUS BRAND | SM88010 | 🇺🇸 US 🇨🇦 CA | RearOUTER | View on Amazon |
| ULTRA-POWER | WTM88048 | 🇺🇸 US 🇨🇦 CA | RearOuter | View on Amazon |
| WJB / INMOTION PARTS | WTM88010 | 🇺🇸 US 🇨🇦 CA | RaceCup Outside Diameter (In): 2.6880000000000002 In | View on Amazon |
| WJB / INMOTION PARTS | WTHM801346X | 🇺🇸 US 🇨🇦 CA | Width: 1.125 In | View on Amazon |
| WJB / INMOTION PARTS | WTHM801310 | 🇺🇸 US 🇨🇦 CA | RaceWidth: 0.90600000000000003 In | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Popular | BR52 | 🇺🇸 US 🇨🇦 CA | Rear Outer | View on Amazon |
| TIMKEN Popular | M88010 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| TIMKEN Popular | M88048 | 🇺🇸 US 🇨🇦 CA | Fits Rear OuterBanjo Type Differential | View on Amazon |
| BCA | NBM88010 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NBM88048 | 🇺🇸 US 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| BCA | NBHM801310 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NBBR52 | 🇺🇸 US 🇨🇦 CA | Bearing & Race | View on Amazon |
| BCA | NBHM801346X | 🇺🇸 US 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| SCHAEFFLER | M88010 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| SCHAEFFLER | KT63 | 🇺🇸 US 🇨🇦 CA | Front Outer | View on Amazon |
| SCHAEFFLER | KM88048 | 🇺🇸 US 🇨🇦 CA | Rear Outer1.313 In Inside Diameter X 2.688 In Outside Diameter X 0.875 In Thick | View on Amazon |
| SKF | M88010VP | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| TIMKEN | HM801310 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| TIMKEN | HM801346X | 🇺🇸 US 🇨🇦 CA | Fits Rear InnerBanjo Type Differential | View on Amazon |
This table covers the bearings and races on the differential pinion.
20 Differential Pinion Bearing / Race parts are listed for the 1972 MG MGB, from BCA, WJB / INMOTION PARTS, TIMKEN and 4 other brands. WJB / INMOTION PARTS WTM88048 carries the "Popular" badge.
Economy: 6 parts, from WJB / INMOTION PARTS, FAMOUS BRAND and ULTRA-POWER. A representative part number is WJB / INMOTION PARTS WTM88048.
The Standard Replacement section: 14 options from BCA, TIMKEN, SCHAEFFLER and 1 other brand. SKF BR52 is listed in this group.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF | 17184 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| TIMKEN | 481837 | 🇺🇸 US 🇨🇦 CA | RearBanjo Type Differential | View on Amazon |
| TIMKEN | 224470 | 🇺🇸 US 🇨🇦 CA | 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 for the 1972 MG MGB come from 2 brands — TIMKEN and SKF.
This group includes SKF 17184, TIMKEN 481837 and TIMKEN 224470.
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 for the 1972 MG MGB come from 4 brands — DANA, GMB, MOOG and 1 other brand. The "Popular" part is GMB 2200500.
The Economy section: 1 option from DANA. DANA 25101X is listed in this group.
Standard Replacement: 5 parts, from GMB, MOOG, DANA and 1 other brand. A representative part number is GMB 2200500.
Part numbers include GMB 2200500, DANA 25101X and MOOG 341, among others listed above.
Buying Drivetrain Parts for a 1972 MG MGB
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 1.8L 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 Carrier Bearing / Race .
Frequently Asked Questions
How many drivetrain parts fit the 1972 MG MGB?
Our catalog currently lists 41 drivetrain parts for the 1972 MG MGB across 4 subcategories and 12 brands, covering the 1.8L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1972 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 1972 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 1972 MG MGB?
Every part on this page is matched to the 1.8L 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 1972 MG MGB
Drivetrain Parts for Other MG MGB Years
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