This page lists 23 drivetrain parts for the 1973 Jensen Healey, across 4 part types, covering the 2.0L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.
The drivetrain system on the 1973 Jensen Healey moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are Differential Pinion Bearing / Race (11 parts), Differential Carrier Bearing / Race (6 parts) and Differential Pinion Seal (5 parts). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the 2.0L L4 — the only engine offered in the 1973 Jensen Healey.
The most listed brands for 1973 Jensen Healey drivetrain parts are WJB / INMOTION PARTS (9 parts), BCA (8 parts) and NATIONAL (5 parts), plus 1 more brand. Quality grades include Standard Replacement and Economy.
6 parts on this 1973 Jensen Healey page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including NATIONAL 25523 (Differential Carrier Bearing / Race) and NATIONAL 02820 (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 | WT25523 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS | WT25577 | 🇺🇸 US 🇨🇦 CA | Rearwith Salisbury 4HA Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 25523 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| NATIONAL Popular | 25577 | 🇺🇸 US 🇨🇦 CA | Rearwith Salisbury 4HA Axle | View on Amazon |
| BCA | NB25523 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NB25577 | 🇺🇸 US 🇨🇦 CA | Rearwith Salisbury 4HA Axle | View on Amazon |
This table covers the bearings and races that support the differential carrier.
6 Differential Carrier Bearing / Race parts for the 1973 Jensen Healey come from 3 brands — WJB / INMOTION PARTS, NATIONAL and BCA. The "Popular" part is NATIONAL 25523.
The Economy section lists 2 options from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS WT25523 is listed in this group.
In the Standard Replacement grade, NATIONAL and BCA supply 4 parts: built to original-equipment specification. A representative part number is NATIONAL 25523.
Listed part numbers: NATIONAL 25523, WJB / INMOTION PARTS WT25523 and WJB / INMOTION PARTS WT25577, plus the other parts above.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WT02820 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS | WT31520 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS | WT02872 | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Salisbury 4HA Axle | View on Amazon |
| WJB / INMOTION PARTS | WT31594 | 🇺🇸 US 🇨🇦 CA | Rear Innerwith Salisbury 4HA Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 02820 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| NATIONAL Popular | 02872 | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Salisbury 4HA Axle | View on Amazon |
| NATIONAL Popular | 31594 | 🇺🇸 US 🇨🇦 CA | Rear Innerwith Salisbury 4HA Axle | View on Amazon |
| BCA | NB02820 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NB31520 | 🇺🇸 US 🇨🇦 CA | Race | View on Amazon |
| BCA | NB02872 | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Salisbury 4HA Axle(s) | View on Amazon |
| BCA | NB31594 | 🇺🇸 US 🇨🇦 CA | Rear Innerwith Salisbury 4HA Axle(s) | View on Amazon |
This table covers the bearings and races on the differential pinion.
11 Differential Pinion Bearing / Race parts are listed for the 1973 Jensen Healey, from WJB / INMOTION PARTS, BCA and NATIONAL. NATIONAL 02820 carries the "Popular" badge.
Economy: 4 parts, from WJB / INMOTION PARTS. A representative part number is WJB / INMOTION PARTS WT02820.
The Standard Replacement section: 7 options from BCA and NATIONAL. NATIONAL 02820 is listed in this group.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WS99155 | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Salisbury 4HA Axle | View on Amazon |
This table covers the wear sleeves used to restore a grooved pinion seal surface.
This group shows a single part: WJB / INMOTION PARTS WS99155.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WS5778 | 🇺🇸 US 🇨🇦 CA | Nitrile | View on Amazon |
| BCA | NS5778 | 🇺🇸 US 🇨🇦 CA | Nitrile | View on Amazon |
| BCA | NS5778V | 🇺🇸 US 🇨🇦 CA | Viton | View on Amazon |
| SCHAEFFLER | SS2633 | 🇺🇸 US 🇨🇦 CA | Rear16.891 mm Width | View on Amazon |
| WJB / INMOTION PARTS | WS5778V | 🇺🇸 US 🇨🇦 CA | Rear Outerwith Salisbury 4HA 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.
5 Differential Pinion Seal parts for the 1973 Jensen Healey come from 3 brands — WJB / INMOTION PARTS, BCA and SCHAEFFLER. The "Popular" part is WJB / INMOTION PARTS WS5778.
Part numbers include WJB / INMOTION PARTS WS5778, BCA NS5778 and BCA NS5778V, among others listed above.
Buying Drivetrain Parts for a 1973 Jensen Healey
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 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 1973 Jensen Healey?
Our catalog currently lists 23 drivetrain parts for the 1973 Jensen Healey across 4 subcategories and 4 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1973 Jensen Healey?
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 Jensen Healey 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 Jensen Healey?
Every part on this page is matched to the 2.0L 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 1973 Jensen Healey
Drivetrain Parts for Other Jensen Healey Years
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