This page lists 5 drivetrain parts for the 1949 Desoto S-13, across 1 part type, covering the 3.9L 237cid L6 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 1949 Desoto S-13, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Every listed part is Differential Carrier Bearing / Race.
Every part on this page is matched to the 3.9L 237cid L6 — the only engine offered in the 1949 Desoto S-13.
The most listed brands for 1949 Desoto S-13 drivetrain parts are WJB / INMOTION PARTS (2 parts), BCA (2 parts) and NATIONAL (1 part). Quality grades include Standard Replacement and Economy.
1 part on this 1949 Desoto S-13 page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — NATIONAL 25580 (Differential Carrier 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 | WT25520 | 🇺🇸 US | RaceCup Outside Diameter (In): 3.2650000000000001 In | View on Amazon |
| WJB / INMOTION PARTS | WT25580 | 🇺🇸 US | Rearwith 8.75 IN Ring Gear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 25580 | 🇺🇸 US | Rearwith 8.75 IN Ring Gear | View on Amazon |
| BCA | NB25520 | 🇺🇸 US | Race | View on Amazon |
| BCA | NB25580 | 🇺🇸 US | Rearwith Chrysler 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 1949 Desoto S-13 come from 3 brands — WJB / INMOTION PARTS, BCA and NATIONAL. The "Popular" part is NATIONAL 25580.
The Economy section lists 2 options from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS WT25520 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 25580.
Part numbers include NATIONAL 25580, WJB / INMOTION PARTS WT25520 and WJB / INMOTION PARTS WT25580, among others listed above.
Buying Drivetrain Parts for a 1949 Desoto S-13
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 3.9L 237cid 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 Carrier Bearing / Race .
Frequently Asked Questions
How many drivetrain parts fit the 1949 Desoto S-13?
Our catalog currently lists 5 drivetrain parts for the 1949 Desoto S-13 across 1 subcategory and 3 brands, covering the 3.9L 237cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1949 Desoto S-13?
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 1949 Desoto S-13 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 1949 Desoto S-13?
Every part on this page is matched to the 3.9L 237cid 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 1949 Desoto S-13
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.