This page lists 12 automatic transmission parts for the 1955 Fargo FC3B Pickup, across 5 part types, covering both the 4.0L 241cid V8 and the 4.1L 251cid L6. Every part shows its brand, manufacturer part number and fitment notes.
On the 1955 Fargo FC3B Pickup, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. Most of the listed parts are Extension Housing Bearing (3 parts), Manual Shaft Seal (3 parts) and Fluid Pan Gasket (2 parts). The other 2 part types cover the remaining 4 parts.
The 1955 Fargo FC3B Pickup was sold with both the 4.0L 241cid V8 and the 4.1L 251cid L6. All 12 parts on this page fit every engine.
The most listed brands for 1955 Fargo FC3B Pickup automatic transmission parts are WJB / INMOTION PARTS (4 parts), NATIONAL (4 parts) and BCA (2 parts), plus 2 more brands. Quality grades include Standard Replacement and Economy.
Each part number listed for the 1955 Fargo FC3B Pickup opens a page with every vehicle that part fits.
Extension Housing Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Fits: all 1955 FC3B Pickup engines | RB6206 | 🇨🇦 CA | with 2-Speed Chrysler A323 Transmission | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1955 FC3B Pickup engines | NB206 | 🇨🇦 CA | with A323 Transmission Codewith 2 Gears | View on Amazon |
| NATIONAL Fits: all 1955 FC3B Pickup engines | 206 | 🇨🇦 CA | with 2-Speed Chrysler A323 Transmission | View on Amazon |
This table covers the Extension Housing 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 Extension Housing Bearing parts for the 1955 Fargo FC3B Pickup come from 3 brands — WJB / INMOTION PARTS, BCA and NATIONAL. Every part fits both the 4.0L 241cid V8 and the 4.1L 251cid L6.
The Economy section lists 1 option from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS RB6206 is listed in this group.
In the Standard Replacement grade, BCA and NATIONAL supply 2 parts: built to original-equipment specification. A representative part number is BCA NB206.
Part numbers include WJB / INMOTION PARTS RB6206, BCA NB206 and NATIONAL 206.
Fluid Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: all 1955 FC3B Pickup engines | TOS18407 | 🇨🇦 CA | Automatic TransmissionChrysler A323 Transmission | View on Amazon |
| VICTOR REINZ Fits: all 1955 FC3B Pickup engines | 711490500 | 🇨🇦 CA | 2 speed trans.Trans. code A323 | View on Amazon |
This table covers the gaskets that seal the Fluid Pan. 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 Fluid Pan Gasket parts for the 1955 Fargo FC3B Pickup come from 2 brands — FEL-PRO and VICTOR REINZ. Every part fits both the 4.0L 241cid V8 and the 4.1L 251cid L6.
This group includes FEL-PRO TOS18407 and VICTOR REINZ 711490500.
Fluid Pump Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 1955 FC3B Pickup engines | 99212 | 🇨🇦 CA | with Chrysler A323 Transmission2 Speed | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1955 FC3B Pickup engines | WS99212 | 🇨🇦 CA | Frontwith Chrysler A323 Transmission | View on Amazon |
This table covers the precision wear sleeves used to restore a transmission pump seal surface.
2 Fluid Pump Repair Sleeve parts are listed for the 1955 Fargo FC3B Pickup, from NATIONAL and WJB / INMOTION PARTS. All of them fit every engine offered in the 1955 FC3B Pickup.
Listed part numbers: NATIONAL 99212 and WJB / INMOTION PARTS WS99212.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 1955 FC3B Pickup engines | 6879H | 🇨🇦 CA | Frontwith Chrysler A323 Transmission | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1955 FC3B Pickup engines | WS6879H | 🇨🇦 CA | Frontwith Chrysler A323 Transmission | View on Amazon |
This table covers the seals at the Fluid Pump. 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.
2 Fluid Pump Seal parts are listed for the 1955 Fargo FC3B Pickup, from NATIONAL and WJB / INMOTION PARTS. All of them fit every engine offered in the 1955 FC3B Pickup.
Listed part numbers: NATIONAL 6879H and WJB / INMOTION PARTS WS6879H.
Manual Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1955 FC3B Pickup engines | NS471264 | 🇨🇦 CA | with A323 Transmission Codewith 2 Gears | View on Amazon |
| NATIONAL Fits: all 1955 FC3B Pickup engines | 471264 | 🇨🇦 CA | with Chrysler A323 Transmission2 Speed | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1955 FC3B Pickup engines | WS471264 | 🇨🇦 CA | with Chrysler A323 Transmission2 Speed | View on Amazon |
This table covers the seals at the Manual Shaft. 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.
3 Manual Shaft Seal parts are listed for the 1955 Fargo FC3B Pickup, from BCA, NATIONAL and WJB / INMOTION PARTS. All of them fit every engine offered in the 1955 FC3B Pickup.
This group includes BCA NS471264, NATIONAL 471264 and WJB / INMOTION PARTS WS471264.
Buying Automatic Transmission Parts for a 1955 Fargo FC3B Pickup
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- You do not need to pick an engine: every automatic transmission part on this page fits both the 4.0L 241cid V8 and the 4.1L 251cid L6.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Extension Housing Bearing and Manual Shaft Seal .
Frequently Asked Questions
How many automatic transmission parts fit the 1955 Fargo FC3B Pickup?
Our catalog currently lists 12 automatic transmission parts for the 1955 Fargo FC3B Pickup across 5 subcategories and 5 brands, covering both the 4.0L 241cid V8 and the 4.1L 251cid L6. Each part is matched to the engine(s) it fits.
Do automatic transmission parts differ between 1955 Fargo FC3B Pickup engines?
No. On this page every automatic transmission part fits both the 4.0L 241cid V8 and the 4.1L 251cid L6. You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of automatic transmission problems on a 1955 Fargo FC3B Pickup?
Common symptoms include delayed or harsh engagement, slipping under load, fluid that smells burnt, or shuddering at light throttle around 40 mph. 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 filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
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 1955 Fargo FC3B Pickup 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 1955 Fargo FC3B Pickup?
Every part on this page already fits both the 4.0L 241cid V8 and the 4.1L 251cid L6. Then use exactly the fluid specification in the notes — automatic transmissions are the least forgiving component on the vehicle about fluid choice. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1955 Fargo FC3B Pickup
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