26 Drivetrain parts are listed for the 1947 Checker A2, in 5 part types, covering the 3.7L 226cid L6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1947 Checker A2, 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 (11 parts), Differential Carrier Bearing / Race (6 parts) and Differential Pinion Seal (5 parts). The other 2 part types cover the remaining 4 parts.
Every part on this page is matched to the 3.7L 226cid L6 — the only engine offered in the 1947 Checker A2.
The most listed brands for 1947 Checker A2 drivetrain parts are WJB / INMOTION PARTS (9 parts), BCA (8 parts) and NATIONAL (5 parts), plus 3 more brands. Quality grades include Standard Replacement and Economy.
6 parts on this 1947 Checker A2 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 | Race | View on Amazon |
| WJB / INMOTION PARTS | WT25577 | 🇺🇸 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 |
| NATIONAL Popular | 25577 | 🇺🇸 US | Rearwith 8.5 IN Ring Gear | View on Amazon |
| BCA | NB25523 | 🇺🇸 US | Race | View on Amazon |
| BCA | NB25577 | 🇺🇸 US | Rearwith Spicer 44 Axle(S) | View on Amazon |
This table covers the bearings and races that support the differential carrier.
6 Differential Carrier Bearing / Race parts for the 1947 Checker A2 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 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 1947 Checker A2 come from 2 brands — FEL-PRO and VICTOR REINZ.
Listed part numbers: 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 |
|---|---|---|---|---|
| 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 | NB02872 | 🇺🇸 US | Rear Outerwith Spicer 44 Axle(S) | View on Amazon |
| BCA | NB31594 | 🇺🇸 US | Rear Innerwith Spicer 44 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 1947 Checker A2, 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 |
|---|---|---|---|---|
| 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.
2 Differential Pinion Repair Sleeve parts for the 1947 Checker A2 come from 2 brands — SCHAEFFLER and WJB / INMOTION PARTS.
This group includes SCHAEFFLER SR3481 and WJB / INMOTION PARTS WS99155.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WS5778 | 🇺🇸 US | Nitrile | View on Amazon |
| BCA | NS5778 | 🇺🇸 US | Nitrile | View on Amazon |
| BCA | NS5778V | 🇺🇸 US | Viton | View on Amazon |
| SCHAEFFLER | SS2633 | 🇺🇸 US | Rear16.891 mm Width | 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 1947 Checker A2 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 1947 Checker A2
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 3.7L 226cid 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 1947 Checker A2?
Our catalog currently lists 26 drivetrain parts for the 1947 Checker A2 across 5 subcategories and 6 brands, covering the 3.7L 226cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1947 Checker A2?
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 1947 Checker A2 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 1947 Checker A2?
Every part on this page is matched to the 3.7L 226cid 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 1947 Checker A2
Drivetrain Parts for Other Checker A2 Years
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