The 1966 Fargo A100 Van has 15 automatic transmission parts with verified fitment on this page — 8 part types and 7 brands, covering both the 3.7L 225cid L6 and the 5.2L 318cid V8. Each part includes a manufacturer part number and application notes.
On the 1966 Fargo A100 Van, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. 8 parts of the 15 listed are Extension Housing Seal (3 parts), Manual Shaft Seal (3 parts) and Fluid Pan Gasket (2 parts). The other 5 part types cover the remaining 7 parts.
The 1966 Fargo A100 Van was sold with both the 3.7L 225cid L6 and the 5.2L 318cid V8. 14 parts fit every engine; the other 1 is engine-specific. Each part shows which engine(s) it fits.
7 brands supply automatic transmission parts for the 1966 Fargo A100 Van, led by SCHAEFFLER (4 parts), WJB / INMOTION PARTS (4 parts) and NATIONAL (3 parts), plus 4 more brands.
Each part number listed for the 1966 Fargo A100 Van opens a page with every vehicle that part fits.
Extension Housing Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 1966 A100 Van engines | 8935S | 🇨🇦 CA | with Chrysler A904 Transmission3 Speed | View on Amazon |
| SCHAEFFLER Fits: all 1966 A100 Van engines | SS2603 | 🇨🇦 CA | 3 speed trans.Trans. code A904 | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 A100 Van engines | WS8935S | 🇨🇦 CA | with Chrysler A904 Transmission3 Speed | View on Amazon |
This table covers the seals at the Extension Housing. 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 Extension Housing Seal parts for the 1966 Fargo A100 Van come from 3 brands — NATIONAL, SCHAEFFLER and WJB / INMOTION PARTS. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
Part numbers include NATIONAL 8935S, SCHAEFFLER SS2603 and WJB / INMOTION PARTS WS8935S.
Fluid Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: all 1966 A100 Van engines | TOS18667 | 🇨🇦 CA | Chrysler A904 Automatic Transmission3 Speed | View on Amazon |
| VICTOR REINZ Fits: all 1966 A100 Van engines | 711493200 | 🇨🇦 CA | 3 speed trans.Trans. code A904 | 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 are listed for the 1966 Fargo A100 Van, from FEL-PRO and VICTOR REINZ. All of them fit every engine offered in the 1966 A100 Van.
Part numbers include FEL-PRO TOS18667 and VICTOR REINZ 711493200.
Fluid Pump Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Fits: all 1966 A100 Van engines | WS99149 | 🇨🇦 CA | Frontwith 3-Speed Chrysler A904 Transmission | View on Amazon |
This table covers the precision wear sleeves used to restore a transmission pump seal surface.
This group shows a single part: WJB / INMOTION PARTS WS99149.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 1966 A100 Van engines | 331228H | 🇨🇦 CA | Frontwith 3-Speed Chrysler A904 Transmission | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 A100 Van engines | WS331228H | 🇨🇦 CA | Frontwith 3-Speed Chrysler A904 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 for the 1966 Fargo A100 Van come from 2 brands — NATIONAL and WJB / INMOTION PARTS. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
Listed part numbers: NATIONAL 331228H and WJB / INMOTION PARTS WS331228H.
Manual Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1966 A100 Van engines | NS8609 | 🇨🇦 CA | with A904 Transmission Codewith 3 Gears | View on Amazon |
| NATIONAL Fits: all 1966 A100 Van engines | 8609 | 🇨🇦 CA | with 3-Speed Chrysler A904 Transmission | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 A100 Van engines | WS8609 | 🇨🇦 CA | with 3-Speed Chrysler A904 Transmission | 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 for the 1966 Fargo A100 Van come from 3 brands — BCA, NATIONAL and WJB / INMOTION PARTS. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
This group includes BCA NS8609, NATIONAL 8609 and WJB / INMOTION PARTS WS8609.
Shift Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER Fits: 3.7L 225cid L6 | SS2178 | 🇨🇦 CA | 3 speed trans.Trans. code A904 | View on Amazon |
This table covers the seals at the Shift 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.
This group shows a single part: SCHAEFFLER SS2178.
Torque Converter Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER Fits: all 1966 A100 Van engines | SR3477 | 🇨🇦 CA | 3 speed trans.Trans. code A904 | View on Amazon |
This table covers the wear sleeves used to restore a Torque Converter seal surface.
This group shows a single part: SCHAEFFLER SR3477.
Torque Converter Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 1966 A100 Van engines | 331228H | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| SCHAEFFLER Fits: all 1966 A100 Van engines | SS2565 | 🇨🇦 CA | 3 speed trans.Trans. code A904 | View on Amazon |
This table covers the seals at the Torque Converter 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.
2 Torque Converter Shaft Seal parts for the 1966 Fargo A100 Van come from 2 brands — ACDELCO and SCHAEFFLER. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
Part numbers include ACDELCO 331228H and SCHAEFFLER SS2565.
Buying Automatic Transmission Parts for a 1966 Fargo A100 Van
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- Match the engine first. Some automatic transmission parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- 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 Seal and Manual Shaft Seal .
Frequently Asked Questions
How many automatic transmission parts fit the 1966 Fargo A100 Van?
Our catalog currently lists 15 automatic transmission parts for the 1966 Fargo A100 Van across 8 subcategories and 7 brands, covering both the 3.7L 225cid L6 and the 5.2L 318cid V8. Each part is matched to the engine(s) it fits.
Do automatic transmission parts differ between 1966 Fargo A100 Van engines?
Some do. 14 parts fit every engine; the other 1 is engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of automatic transmission problems on a 1966 Fargo A100 Van?
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 1966 Fargo A100 Van 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 1966 Fargo A100 Van?
First match the engine — each row shows which engine(s) the part fits. 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 1966 Fargo A100 Van
Automatic Transmission Parts for Other Fargo A100 Van Years
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