The 1966 Fargo P200 Parcel Delivery has 22 drivetrain parts with verified fitment on this page — 6 part types and 6 brands, covering the 3.7L 225cid L6 engine. Each part includes a manufacturer part number and application notes.
On the 1966 Fargo P200 Parcel Delivery, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are Differential Pinion Bearing / Race (9 parts), Differential Carrier Bearing / Race (5 parts) and Universal Joint (4 parts). The other 3 part types cover the remaining 4 parts.
The 1966 Fargo P200 Parcel Delivery came with a single engine, the 3.7L 225cid L6, and every part is verified against it.
6 brands supply drivetrain parts for the 1966 Fargo P200 Parcel Delivery, led by WJB / INMOTION PARTS (6 parts), BCA (5 parts) and MOOG (5 parts), plus 3 more brands. Quality grades include Standard Replacement, Economy and Heavy Duty.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1966 Fargo P200 Parcel Delivery. 3 parts have it, including NATIONAL 25520 (Differential Carrier Bearing / Race) and WJB / INMOTION PARTS WTHM89443 (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 | WT25520 | 🇨🇦 CA | RaceCup Outside Diameter (In): 3.2650000000000001 In | View on Amazon |
| WJB / INMOTION PARTS | WT25590 | 🇨🇦 CA | Rearwith 8.75 IN Ring Gear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 25520 | 🇨🇦 CA | Taper Bearing CupRace | View on Amazon |
| BCA | NB25520 | 🇨🇦 CA | Race | View on Amazon |
| BCA | NB25590 | 🇨🇦 CA | Rearwith # 36 Rear Axle | 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 1966 Fargo P200 Parcel Delivery, from WJB / INMOTION PARTS, BCA and NATIONAL. NATIONAL 25520 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 25520 is listed in this group.
Part numbers include NATIONAL 25520, WJB / INMOTION PARTS WT25520 and WJB / INMOTION PARTS WT25590, among others listed above.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | RDS6583 | 🇨🇦 CA | Rearwith 8.75 (In) Ring Gear | View on Amazon |
| VICTOR REINZ | 711482500 | 🇨🇦 CA | with 10 Bolt Holeswith 8.75 IN Ring Gear | 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 1966 Fargo P200 Parcel Delivery, from FEL-PRO and VICTOR REINZ.
Listed part numbers: FEL-PRO RDS6583 and VICTOR REINZ 711482500.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WTHM89443 | 🇨🇦 CA | Rear Outerwith 8.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS | WTHM89410 | 🇨🇦 CA | RaceCup Outside Diameter (mm): 76.2 MM | View on Amazon |
| WJB / INMOTION PARTS | WTHM89446 | 🇨🇦 CA | Rear Innerwith 8.75 IN Ring Gear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | HM89410 | 🇨🇦 CA | RaceTaper Bearing Cup | View on Amazon |
| BCA | NBHM89410 | 🇨🇦 CA | Race | View on Amazon |
| BCA | NBHM89446 | 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| BCA | NBHM89443 | 🇨🇦 CA | Rear Outerwith Chrysler RA36 Axle(S) | View on Amazon |
| NATIONAL | HM89446 | 🇨🇦 CA | Taper Bearing Cone | View on Amazon |
| NATIONAL | HM89443 | 🇨🇦 CA | Rear Outerwith 8.75 IN Ring Gear | View on Amazon |
This table covers the bearings and races on the differential pinion.
9 Differential Pinion Bearing / Race parts for the 1966 Fargo P200 Parcel Delivery come from 3 brands — WJB / INMOTION PARTS, NATIONAL and BCA. The "Popular" part is WJB / INMOTION PARTS WTHM89443.
The Economy section: 3 options from WJB / INMOTION PARTS. WJB / INMOTION PARTS WTHM89443 is listed in this group.
Standard Replacement: 6 parts, from NATIONAL and BCA. A representative part number is NATIONAL HM89410.
This group includes WJB / INMOTION PARTS WTHM89443, WJB / INMOTION PARTS WTHM89410 and WJB / INMOTION PARTS WTHM89446 and the remaining parts above.
Transfer Case Main Shaft Pilot Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WRQ15902 | 🇨🇦 CA | Fits with 4-Speed New Process 420 Transmission | View on Amazon |
This table covers the Transfer Case Main Shaft Pilot 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.
This group shows a single part: WJB / INMOTION PARTS WRQ15902.
Universal Joint
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOOG | 245 | 🇨🇦 CA | Super StrengthNon-Greasable | View on Amazon |
| MOOG | 246 | 🇨🇦 CA | Super StrengthGreasable | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOOG | 315G | 🇨🇦 CA | GreasableGrease Fitting In Body | View on Amazon |
| MOOG | 317 | 🇨🇦 CA | Greasable | View on Amazon |
This table covers the U-joints in the driveshaft.
MOOG supplies the 4 Universal Joint parts for the 1966 Fargo P200 Parcel Delivery.
The Heavy Duty section lists 2 options from MOOG — rated for severe service. MOOG 245 is listed in this group.
The Standard Replacement section: 2 options from MOOG. MOOG 315G is listed in this group.
Listed part numbers: MOOG 245, MOOG 246 and MOOG 315G, plus the other parts above.
Universal Joint Strap Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOOG | 31810 | 🇨🇦 CA | Fits Rearwith 2 Joint Driveshaft | View on Amazon |
This table covers the Universal Joint Strap kits.
One part is listed for the 1966 Fargo P200 Parcel Delivery — MOOG 31810.
Buying Drivetrain Parts for a 1966 Fargo P200 Parcel Delivery
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 3.7L 225cid 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 Pinion Bearing / Race and Differential Carrier Bearing / Race .
Frequently Asked Questions
How many drivetrain parts fit the 1966 Fargo P200 Parcel Delivery?
Our catalog currently lists 22 drivetrain parts for the 1966 Fargo P200 Parcel Delivery across 6 subcategories and 6 brands, covering the 3.7L 225cid L6 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1966 Fargo P200 Parcel Delivery?
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 1966 Fargo P200 Parcel Delivery 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 P200 Parcel Delivery?
Every part on this page is matched to the 3.7L 225cid 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 1966 Fargo P200 Parcel Delivery
Drivetrain Parts for Other Fargo P200 Parcel Delivery Years
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