26 Automatic transmission parts are listed for the 1966 Fargo D110 Pickup, in 7 part types, covering both the 3.7L 225cid L6 and the 5.2L 318cid V8. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1966 Fargo D110 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 Seal (7 parts), Fluid Pan Gasket (4 parts) and Fluid Pump Repair Sleeve (4 parts). The other 4 part types cover the remaining 11 parts.
The 1966 Fargo D110 Pickup was sold with both the 3.7L 225cid L6 and the 5.2L 318cid V8. 22 parts fit every engine; the other 4 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1966 Fargo D110 Pickup automatic transmission parts are WJB / INMOTION PARTS (9 parts), NATIONAL (6 parts) and BCA (3 parts), plus 4 more brands. Quality grades include Daily Driver and Heavy Duty.
2 parts on this 1966 Fargo D110 Pickup page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including NATIONAL 7300S (Extension Housing Seal) and WJB / INMOTION PARTS WS7300S (Extension Housing Seal). Click any part number to see every vehicle that part fits.
Extension Housing Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: all 1966 D110 Pickup engines | 7300S | 🇨🇦 CA | Long Boot Style1.250 IN Width | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: all 1966 D110 Pickup engines | WS7300S | 🇨🇦 CA | Long Boot Stylewith 3-Speed Chrysler A727 Transmission | View on Amazon |
| BCA Fits: all 1966 D110 Pickup engines | NS8160S | 🇨🇦 CA | with A727 Transmission Codewith 3 Gears | View on Amazon |
| NATIONAL Fits: all 1966 D110 Pickup engines | 8160S | 🇨🇦 CA | with 3-Speed Chrysler A727 Transmissionwithout Boot | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 D110 Pickup engines | WS8160S | 🇨🇦 CA | with 3-Speed Chrysler A727 Transmissionwithout Boot | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 D110 Pickup engines | WS8935S | 🇨🇦 CA | with Chrysler A904 Transmission3 Speed | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 D110 Pickup engines | WS5206 | 🇨🇦 CA | Width (In): 0.42099999999999999 In | 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.
7 Extension Housing Seal parts are listed for the 1966 Fargo D110 Pickup, from WJB / INMOTION PARTS, NATIONAL and BCA. NATIONAL 7300S carries the "Popular" badge. All of them fit every engine offered in the 1966 D110 Pickup.
Listed part numbers: NATIONAL 7300S, WJB / INMOTION PARTS WS7300S and BCA NS8160S, plus the other parts above.
Flexplate
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Fits: 3.7L 225cid L6 | Z201 | 🇨🇦 CA | Outer Diameter: 12-1/4" | View on Amazon |
| ATP Fits: 3.7L 225cid L6 | Z439 | 🇨🇦 CA | Outer Diameter: 12" | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PIONEER Fits: 3.7L 225cid L6 | FRA413 | 🇨🇦 CA | Outer Diameter: 12-1/4" | View on Amazon |
This table covers the flexplates that connect the crankshaft to the torque converter.
3 Flexplate parts are listed for the 1966 Fargo D110 Pickup, from ATP and PIONEER.
The Daily Driver section lists 2 options from ATP — grouped for everyday commuting duty. ATP Z201 is listed in this group.
The Heavy Duty section lists 1 option from PIONEER — rated for severe service. PIONEER FRA413 is listed in this group.
Part numbers include ATP Z201, ATP Z439 and PIONEER FRA413.
Flexplate Mounting Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Fits: 3.7L 225cid L6 | ZX2116 | 🇨🇦 CA | Pack of 6 | View on Amazon |
This table covers the Flexplate Mounting bolts.
One part is listed for the 1966 Fargo D110 Pickup — ATP ZX2116.
Fluid Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: all 1966 D110 Pickup engines | TOS18667 | 🇨🇦 CA | Chrysler A904 Automatic Transmission3 Speed | View on Amazon |
| FEL-PRO Fits: all 1966 D110 Pickup engines | TOS18583 | 🇨🇦 CA | Chrysler A727 Automatic Transmission3 Speed | View on Amazon |
| VICTOR REINZ Fits: all 1966 D110 Pickup engines | 711493500 | 🇨🇦 CA | Trans. code A72714 Bolt | View on Amazon |
| VICTOR REINZ Fits: all 1966 D110 Pickup 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.
4 Fluid Pan Gasket parts for the 1966 Fargo D110 Pickup come from 2 brands — FEL-PRO and VICTOR REINZ. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
Part numbers include FEL-PRO TOS18667, FEL-PRO TOS18583 and VICTOR REINZ 711493500, among others listed above.
Fluid Pump Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1966 D110 Pickup engines | NS88187 | 🇨🇦 CA | Frontwith A727 Transmission Code | View on Amazon |
| NATIONAL Fits: all 1966 D110 Pickup engines | 99187 | 🇨🇦 CA | with 3-Speed Chrysler A727 Transmission | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 D110 Pickup engines | WS99149 | 🇨🇦 CA | Frontwith 3-Speed Chrysler A904 Transmission | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 D110 Pickup engines | WS99187 | 🇨🇦 CA | Frontwith 3-Speed Chrysler A727 Transmission | View on Amazon |
This table covers the precision wear sleeves used to restore a transmission pump seal surface.
4 Fluid Pump Repair Sleeve parts are listed for the 1966 Fargo D110 Pickup, from WJB / INMOTION PARTS, BCA and NATIONAL. All of them fit every engine offered in the 1966 D110 Pickup.
Part numbers include BCA NS88187, NATIONAL 99187 and WJB / INMOTION PARTS WS99149, among others listed above.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 1966 D110 Pickup engines | 331228H | 🇨🇦 CA | Frontwith 3-Speed Chrysler A904 Transmission | View on Amazon |
| NATIONAL Fits: all 1966 D110 Pickup engines | 331227H | 🇨🇦 CA | Frontwith Chrysler A727 Transmission | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 D110 Pickup engines | WS331228H | 🇨🇦 CA | Frontwith 3-Speed Chrysler A904 Transmission | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 D110 Pickup engines | WS331227H | 🇨🇦 CA | Frontwith Chrysler A727 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.
4 Fluid Pump Seal parts are listed for the 1966 Fargo D110 Pickup, from NATIONAL and WJB / INMOTION PARTS. All of them fit every engine offered in the 1966 D110 Pickup.
This group includes NATIONAL 331228H, NATIONAL 331227H and WJB / INMOTION PARTS WS331228H and the remaining parts above.
Manual Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1966 D110 Pickup engines | NS8609 | 🇨🇦 CA | Fits with A727 Transmission Codewith 3 Gears | View on Amazon |
| NATIONAL Fits: all 1966 D110 Pickup engines | 8609 | 🇨🇦 CA | Fits with 3-Speed Chrysler A727 Transmission | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 D110 Pickup engines | WS8609 | 🇨🇦 CA | Fits with 3-Speed Chrysler A727 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 are listed for the 1966 Fargo D110 Pickup, from BCA, NATIONAL and WJB / INMOTION PARTS. All of them fit every engine offered in the 1966 D110 Pickup.
Part numbers include BCA NS8609, NATIONAL 8609 and WJB / INMOTION PARTS WS8609.
Buying Automatic Transmission Parts for a 1966 Fargo D110 Pickup
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 Fluid Pan Gasket .
Frequently Asked Questions
How many automatic transmission parts fit the 1966 Fargo D110 Pickup?
Our catalog currently lists 26 automatic transmission parts for the 1966 Fargo D110 Pickup across 7 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 D110 Pickup engines?
Some do. 22 parts fit every engine; the other 4 are 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 D110 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 1966 Fargo D110 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 1966 Fargo D110 Pickup?
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 D110 Pickup
Automatic Transmission Parts for Other Fargo D110 Pickup Years
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