The 1950 Desoto S-14 has 8 drivetrain parts with verified fitment on this page — 2 part types and 3 brands, covering the 3.9L 237cid L6 engine. Each part includes a manufacturer part number and application notes.
The drivetrain system on the 1950 Desoto S-14 moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 8 listed parts are Differential Carrier Bearing / Race (5 parts) and Drive Shaft Center Support Bearing (3 parts).
The 1950 Desoto S-14 came with a single engine, the 3.9L 237cid L6, and every part is verified against it.
3 brands supply drivetrain parts for the 1950 Desoto S-14, led by WJB / INMOTION PARTS (3 parts), BCA (3 parts) and NATIONAL (2 parts). Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1950 Desoto S-14. 1 part has it: NATIONAL 25580 (Differential Carrier Bearing / Race). Each part number opens a page with 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 are listed for the 1950 Desoto S-14, from WJB / INMOTION PARTS, BCA and NATIONAL. NATIONAL 25580 carries the "Popular" badge.
In the Economy grade, WJB / INMOTION PARTS supplies 2 parts: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS WT25520.
The Standard Replacement section lists 3 options from BCA and NATIONAL — built to original-equipment specification. NATIONAL 25580 is listed in this group.
Part numbers include NATIONAL 25580, WJB / INMOTION PARTS WT25520 and WJB / INMOTION PARTS WT25580, among others listed above.
Drive Shaft Center Support Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | RB6207Z | 🇺🇸 US | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 207S | 🇺🇸 US | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NB207S | 🇺🇸 US | 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 for the 1950 Desoto S-14 come from 3 brands — WJB / INMOTION PARTS, NATIONAL and BCA.
The Economy section: 1 option from WJB / INMOTION PARTS. WJB / INMOTION PARTS RB6207Z is listed in this group.
Standard Replacement: 1 part, from NATIONAL. A representative part number is NATIONAL 207S.
1 further part sits outside the graded sections, with the same engine-level match.
This group includes WJB / INMOTION PARTS RB6207Z, NATIONAL 207S and BCA NB207S.
Buying Drivetrain Parts for a 1950 Desoto S-14
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 and Drive Shaft Center Support Bearing .
Frequently Asked Questions
How many drivetrain parts fit the 1950 Desoto S-14?
Our catalog currently lists 8 drivetrain parts for the 1950 Desoto S-14 across 2 subcategories 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 1950 Desoto S-14?
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 1950 Desoto S-14 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 1950 Desoto S-14?
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 1950 Desoto S-14
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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.