This page lists 35 drivetrain parts for the 1957 Desoto Firesweep, across 7 part types, covering the 5.3L 325cid V8 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 1957 Desoto Firesweep, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 29 parts of the 35 listed are Differential Pinion Bearing / Race (15 parts), Differential Carrier Bearing / Race (8 parts) and Differential Pinion Seal (6 parts). The other 4 part types cover the remaining 6 parts.
The 1957 Desoto Firesweep came with a single engine, the 5.3L 325cid V8, and every part is verified against it.
7 brands supply drivetrain parts for the 1957 Desoto Firesweep, led by BCA (14 parts), WJB / INMOTION PARTS (13 parts) and NATIONAL (3 parts), plus 4 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1957 Desoto Firesweep. 7 parts have it, including WJB / INMOTION PARTS WT25590 (Differential Carrier Bearing / Race) and WJB / INMOTION PARTS WTM88048 (Differential Pinion 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 Popular | WT25590 | 🇺🇸 US | Rearwith 8.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS | WT25520 | 🇺🇸 US | RaceCup Outside Diameter (In): 3.2650000000000001 In | View on Amazon |
| WJB / INMOTION PARTS | WT25580 | 🇺🇸 US | Rearwith 8.25 IN Ring Gear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 25580 | 🇺🇸 US | Rearwith 8.25 IN Ring Gear | View on Amazon |
| ACDELCO | 25580 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| BCA | NB25520 | 🇺🇸 US | Race | View on Amazon |
| BCA | NB25580 | 🇺🇸 US | Rearwith Chrysler Axle(s) | View on Amazon |
| BCA | NB25590 | 🇺🇸 US | Rearwith Chrysler Axle(s) | View on Amazon |
This table covers the bearings and races that support the differential carrier.
8 Differential Carrier Bearing / Race parts are listed for the 1957 Desoto Firesweep, from WJB / INMOTION PARTS, BCA, NATIONAL and 1 other brand. WJB / INMOTION PARTS WT25590 carries the "Popular" badge.
In the Economy grade, WJB / INMOTION PARTS supplies 3 parts: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS WT25590.
The Standard Replacement section lists 5 options from BCA, NATIONAL and ACDELCO — built to original-equipment specification. NATIONAL 25580 is listed in this group.
This group includes WJB / INMOTION PARTS WT25590, WJB / INMOTION PARTS WT25520 and WJB / INMOTION PARTS WT25580 and the remaining parts above.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | RDS6583 | 🇺🇸 US | Rearwith 8.75 (In) Ring Gear | View on Amazon |
| VICTOR REINZ | 711482500 | 🇺🇸 US | with 10 Bolt Holeswith Chrysler 8.75 IN Rear Axle | 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 are listed for the 1957 Desoto Firesweep, from FEL-PRO and VICTOR REINZ.
This group includes FEL-PRO RDS6583 and VICTOR REINZ 711482500.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WTM88048 | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
| WJB / INMOTION PARTS | WTHM803110 | 🇺🇸 US | Race | View on Amazon |
| WJB / INMOTION PARTS | WTM88010 | 🇺🇸 US | RaceCup Outside Diameter (In): 2.6880000000000002 In | View on Amazon |
| WJB / INMOTION PARTS | WTHM89410 | 🇺🇸 US | RaceCup Outside Diameter (mm): 76.2 MM | View on Amazon |
| WJB / INMOTION PARTS | WTHM89443 | 🇺🇸 US | Rear Outerwith 8.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS | WTHM89446 | 🇺🇸 US | Rear Innerwith 8.25 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS | WTHM803149 | 🇺🇸 US | Rear Innerwith 8.75 IN Ring Gear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular | NBM88048 | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
| BCA Popular | NBBR52 | 🇺🇸 US | Bearing & Race | View on Amazon |
| BCA | NBM88010 | 🇺🇸 US | Race | View on Amazon |
| BCA | NBHM89410 | 🇺🇸 US | Race | View on Amazon |
| BCA | NBHM803110 | 🇺🇸 US | Race | View on Amazon |
| BCA | NBHM89446 | 🇺🇸 US | Bearing Shape: Cylindrical | View on Amazon |
| BCA | NBHM803149 | 🇺🇸 US | Rear Innerwith Chrysler Axle(s) | View on Amazon |
| BCA | NBHM89443 | 🇺🇸 US | Rear Outerwith Chrysler Axle(s) | View on Amazon |
This table covers the bearings and races on the differential pinion.
15 Differential Pinion Bearing / Race parts for the 1957 Desoto Firesweep come from 2 brands — BCA and WJB / INMOTION PARTS. The "Popular" part is WJB / INMOTION PARTS WTM88048.
The Economy section: 7 options from WJB / INMOTION PARTS. WJB / INMOTION PARTS WTM88048 is listed in this group.
Standard Replacement: 8 parts, from BCA. A representative part number is BCA NBM88048.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SR3506 | 🇺🇸 US | Rear0.531 In Width | View on Amazon |
| WJB / INMOTION PARTS | WS99187 | 🇺🇸 US | Rear Outerwith 8.25 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 are listed for the 1957 Desoto Firesweep, from SCHAEFFLER and WJB / INMOTION PARTS.
Listed part numbers: SCHAEFFLER SR3506 and WJB / INMOTION PARTS WS99187.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 5126 | 🇺🇸 US | Rear Outerwith 8.25 IN Ring Gear | View on Amazon |
| NATIONAL Popular | 7216 | 🇺🇸 US | Rear Outerwith 8.75 IN Ring Gear | View on Amazon |
| BCA | NS5126 | 🇺🇸 US | Rear Outerwith Chrysler Axle(s) | View on Amazon |
| BCA | NS7216 | 🇺🇸 US | Rear Outerwith Chrysler Axle(s) | View on Amazon |
| SCHAEFFLER | SS2917 | 🇺🇸 US | Rear12.7 mm Width | View on Amazon |
| WJB / INMOTION PARTS | WS5126 | 🇺🇸 US | Rear Outerwith 8.25 IN Ring Gear | 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.
6 Differential Pinion Seal parts are listed for the 1957 Desoto Firesweep, from NATIONAL, BCA, SCHAEFFLER and 1 other brand. NATIONAL 5126 carries the "Popular" badge.
This group includes NATIONAL 5126, NATIONAL 7216 and BCA NS5126 and the remaining parts above.
Differential Rebuild Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WKRA300 | 🇺🇸 US | Rearwith 8.75 IN Ring Gear | View on Amazon |
This table covers kits that group the bearings, races and seals for a differential rebuild.
This group shows a single part: WJB / INMOTION PARTS WKRA300.
Differential Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NS88187 | 🇺🇸 US | Rearwith Chrysler Axle(s) | View on Amazon |
This table covers the wear sleeves used to restore a Differential seal surface.
This group shows a single part: BCA NS88187.
Buying Drivetrain Parts for a 1957 Desoto Firesweep
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 5.3L 325cid V8 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 1957 Desoto Firesweep?
Our catalog currently lists 35 drivetrain parts for the 1957 Desoto Firesweep across 7 subcategories and 7 brands, covering the 5.3L 325cid V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1957 Desoto Firesweep?
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 1957 Desoto Firesweep 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 1957 Desoto Firesweep?
Every part on this page is matched to the 5.3L 325cid V8 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 1957 Desoto Firesweep
Drivetrain Parts for Other Desoto Firesweep Years
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