This page lists 35 drivetrain parts for the 1973 Checker A11E, across 7 part types, covering the 4.1L 250cid L6 engine. Every part shows its brand, manufacturer part number and fitment notes.
The drivetrain system on the 1973 Checker A11E moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are Differential Pinion Bearing / Race (16 parts), Differential Carrier Bearing / Race (5 parts) and Differential Pinion Seal (5 parts). The other 4 part types cover the remaining 9 parts.
Every part on this page is matched to the 4.1L 250cid L6 — the only engine offered in the 1973 Checker A11E.
The most listed brands for 1973 Checker A11E drivetrain parts are WJB / INMOTION PARTS (10 parts), BCA (7 parts) and NATIONAL (5 parts), plus 6 more brands. Quality grades include Standard Replacement and Economy.
6 parts on this 1973 Checker A11E 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 BCA NB02872 (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 | Race | View on Amazon |
| WJB / INMOTION PARTS | WT25590 | 🇺🇸 US | Rearwith 8.5 IN Ring Gear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 25523 | 🇺🇸 US | Race | View on Amazon |
| BCA | NB25523 | 🇺🇸 US | Race | View on Amazon |
| BCA | NB25590 | 🇺🇸 US | Rearwith Spicer 44 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 1973 Checker A11E come from 3 brands — WJB / INMOTION PARTS, BCA and NATIONAL. 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, BCA and NATIONAL supply 3 parts: built to original-equipment specification. A representative part number is NATIONAL 25523.
This group includes NATIONAL 25523, WJB / INMOTION PARTS WT25523 and WJB / INMOTION PARTS WT25590 and the remaining parts above.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | RDS6629 | 🇺🇸 US | Rearwith Spicer 44 Axle(S) | View on Amazon |
| VICTOR REINZ | 711481100 | 🇺🇸 US | Rearwith Dana 44 Axle(S) | View on Amazon |
This table covers the gaskets that seal the Differential Cover. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
2 Differential Cover Gasket parts for the 1973 Checker A11E come from 2 brands — FEL-PRO and VICTOR REINZ.
This group includes FEL-PRO RDS6629 and VICTOR REINZ 711481100.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WT02820 | 🇺🇸 US | Race | View on Amazon |
| WJB / INMOTION PARTS | WT31520 | 🇺🇸 US | Race | View on Amazon |
| WJB / INMOTION PARTS | WT02872 | 🇺🇸 US | Rear Outerwith 8.5 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS | WT31594 | 🇺🇸 US | Rear Innerwith 8.5 IN Ring Gear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular | NB02872 | 🇺🇸 US | Rear Outerwith Spicer 44 Axle(S) | View on Amazon |
| NATIONAL Popular | 02820 | 🇺🇸 US | Race | View on Amazon |
| NATIONAL Popular | 02872 | 🇺🇸 US | Rear Outerwith 8.5 IN Ring Gear | View on Amazon |
| NATIONAL Popular | 31594 | 🇺🇸 US | Rear Innerwith 8.5 IN Ring Gear | View on Amazon |
| BCA | NB02820 | 🇺🇸 US | Race | View on Amazon |
| BCA | NB31520 | 🇺🇸 US | Race | View on Amazon |
| BCA | NB31594 | 🇺🇸 US | Rear Innerwith Spicer 44 Axle(S) | View on Amazon |
| SCHAEFFLER | K2872 | 🇺🇸 US | Rear Outer22.225 mm Width | View on Amazon |
| SCHAEFFLER | 2820 | 🇺🇸 US | Race | View on Amazon |
| SKF | BR02820 | 🇺🇸 US | Race | View on Amazon |
| SKF | BR31520 | 🇺🇸 US | Race | View on Amazon |
| SKF | BR31594 | 🇺🇸 US | with 1.3750 In. Bearing Inside Diameter | View on Amazon |
This table covers the bearings and races on the differential pinion.
16 Differential Pinion Bearing / Race parts are listed for the 1973 Checker A11E, from WJB / INMOTION PARTS, BCA, NATIONAL and 2 other brands. BCA NB02872 carries the "Popular" badge.
Economy: 4 parts, from WJB / INMOTION PARTS. A representative part number is WJB / INMOTION PARTS WT02820.
The Standard Replacement section: 12 options from BCA, NATIONAL, SKF and 1 other brand. BCA NB02872 is listed in this group.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 99193 | 🇺🇸 US | Borg Warner Trans. | View on Amazon |
| SCHAEFFLER | SR3481 | 🇺🇸 US | Rear14.3 mm Width | View on Amazon |
| WJB / INMOTION PARTS | WS99155 | 🇺🇸 US | Rear Outerwith 8.5 IN Ring Gear | View on Amazon |
This table covers the wear sleeves used to restore a grooved pinion seal surface.
3 Differential Pinion Repair Sleeve parts for the 1973 Checker A11E come from 3 brands — NATIONAL, SCHAEFFLER and WJB / INMOTION PARTS.
Part numbers include NATIONAL 99193, SCHAEFFLER SR3481 and WJB / INMOTION PARTS WS99155.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Popular | 15788 | 🇺🇸 US | Rear | View on Amazon |
| BCA | NS5778V | 🇺🇸 US | Viton | View on Amazon |
| SCHAEFFLER | SS2633 | 🇺🇸 US | Rear16.891 mm Width | View on Amazon |
| WJB / INMOTION PARTS | WS5778 | 🇺🇸 US | Nitrile | View on Amazon |
| WJB / INMOTION PARTS | WS5778V | 🇺🇸 US | Rear OuterViton Type | 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 Checker A11E come from 4 brands — WJB / INMOTION PARTS, SKF, BCA and 1 other brand. The "Popular" part is SKF 15788.
This group includes SKF 15788, BCA NS5778V and SCHAEFFLER SS2633 and the remaining parts above.
Differential Rebuild Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WKRA28 | 🇺🇸 US | Rearwith 8.5 IN Ring Gear | View on Amazon |
This table covers kits that group the bearings, races and seals for a differential rebuild.
One part is listed for the 1973 Checker A11E — WJB / INMOTION PARTS WKRA28.
Drive Shaft Center Support Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR | 6027 | 🇺🇸 US | CenterCushion Only | View on Amazon |
| ANCHOR | 6056 | 🇺🇸 US | Centerwith 35mm Inside Diameter Bearing(s) | View on Amazon |
| DANA | 25141750X | 🇺🇸 US | Spicer SelectContains Rubber Piece only | View on Amazon |
This table covers the Drive Shaft Center Support bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
3 Drive Shaft Center Support Bearing parts are listed for the 1973 Checker A11E, from ANCHOR and DANA.
This group includes ANCHOR 6027, ANCHOR 6056 and DANA 25141750X.
Buying Drivetrain Parts for a 1973 Checker A11E
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 4.1L 250cid L6 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 Checker A11E?
Our catalog currently lists 35 drivetrain parts for the 1973 Checker A11E across 7 subcategories and 9 brands, covering the 4.1L 250cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1973 Checker A11E?
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 Checker A11E 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 Checker A11E?
Every part on this page is matched to the 4.1L 250cid L6 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 Checker A11E
Drivetrain Parts for Other Checker A11E Years
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