The 1963 Fargo P300 Parcel Delivery has 51 drivetrain parts with verified fitment on this page — 8 part types and 7 brands, covering the 3.7L 225cid L6 engine. Each part includes a manufacturer part number and application notes.
On the 1963 Fargo P300 Parcel Delivery, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 40 parts of the 51 listed are Differential Pinion Bearing / Race (22 parts), Differential Carrier Bearing / Race (10 parts) and Differential Cover Gasket (8 parts). The other 5 part types cover the remaining 11 parts.
The 1963 Fargo P300 Parcel Delivery came with a single engine, the 3.7L 225cid L6, and every part is verified against it.
7 brands supply drivetrain parts for the 1963 Fargo P300 Parcel Delivery, led by WJB / INMOTION PARTS (19 parts), BCA (15 parts) and NATIONAL (7 parts), plus 4 more brands. Quality grades include Standard Replacement, Economy and Standard Kit.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1963 Fargo P300 Parcel Delivery. 9 parts have it, including WJB / INMOTION PARTS WT387A (Differential Carrier Bearing / Race) and FEL-PRO RDS60951 (Differential Cover Gasket). 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 | WT387A | 🇨🇦 CA | Fits Rearwith 9.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS | WT25520 | 🇨🇦 CA | RaceCup Outside Diameter (In): 3.2650000000000001 In | View on Amazon |
| WJB / INMOTION PARTS | WT382S | 🇨🇦 CA | Race | 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 |
| BCA | NB387A | 🇨🇦 CA | Rearwith Spicer 60, Spicer 70 Axle(S) | View on Amazon |
| BCA | NB382S | 🇨🇦 CA | Race | View on Amazon |
| NATIONAL | 382S | 🇨🇦 CA | Race | View on Amazon |
This table covers the bearings and races that support the differential carrier.
10 Differential Carrier Bearing / Race parts are listed for the 1963 Fargo P300 Parcel Delivery, from WJB / INMOTION PARTS, BCA and NATIONAL. WJB / INMOTION PARTS WT387A carries the "Popular" badge.
In the Economy grade, WJB / INMOTION PARTS supplies 4 parts: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS WT387A.
The Standard Replacement section lists 6 options from BCA and NATIONAL — built to original-equipment specification. NATIONAL 25520 is listed in this group.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular | RDS60951 | 🇨🇦 CA | Rearwith Spicer 60 Axle(S) | View on Amazon |
| FEL-PRO Popular | RDS6583 | 🇨🇦 CA | Rearwith 8.75 (In) Ring Gear | View on Amazon |
| FEL-PRO | RDS6014 | 🇨🇦 CA | Rearwith 10.54 (In) Ring Gear | View on Amazon |
| MAHLE / CLEVITE | P18562 | 🇨🇦 CA | Paper | View on Amazon |
| MAHLE / CLEVITE | P18562TC | 🇨🇦 CA | Cork with Metal CarrierAxle Housing Cover Gasket | View on Amazon |
| VICTOR REINZ | 711486800 | 🇨🇦 CA | Rearwith Dana 60 Axle(S) | View on Amazon |
| VICTOR REINZ | 711482500 | 🇨🇦 CA | with 10 Bolt Holeswith 8.75 IN Ring Gear | View on Amazon |
| VICTOR REINZ | 711480400 | 🇨🇦 CA | Rearwith 10.540 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.
8 Differential Cover Gasket parts are listed for the 1963 Fargo P300 Parcel Delivery, from FEL-PRO, VICTOR REINZ and MAHLE / CLEVITE. FEL-PRO RDS60951 carries the "Popular" badge.
Listed part numbers: FEL-PRO RDS60951, FEL-PRO RDS6583 and FEL-PRO RDS6014, plus the other parts above.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WTHM803110 | 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS Popular | WTHM89443 | 🇨🇦 CA | Rear Outerwith 8.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS Popular | WTHM803146 | 🇨🇦 CA | Rear Innerwith 9.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS | WTHM88510 | 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS | WTHM88542 | 🇨🇦 CA | Rear Outerwith Spicer 70 Axle | View on Amazon |
| WJB / INMOTION PARTS | WTHM89410 | 🇨🇦 CA | RaceCup Outside Diameter (mm): 76.2 MM | View on Amazon |
| WJB / INMOTION PARTS | WTHM807010 | 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS | WTHM89446 | 🇨🇦 CA | Rear Innerwith 8.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS | WTHM807040 | 🇨🇦 CA | Rear Innerwith Spicer 70 Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | HM89410 | 🇨🇦 CA | RaceTaper Bearing Cup | View on Amazon |
| NATIONAL Popular | HM89443 | 🇨🇦 CA | Rear Outerwith 8.75 IN Ring Gear | View on Amazon |
| BCA | NBHM88510 | 🇨🇦 CA | Race | View on Amazon |
| BCA | NBHM89410 | 🇨🇦 CA | Race | View on Amazon |
| BCA | NBHM803110 | 🇨🇦 CA | Race | View on Amazon |
| BCA | NBHM88542 | 🇨🇦 CA | Rear Outerwith Spicer 70 Axle(S) | View on Amazon |
| BCA | NBHM807010 | 🇨🇦 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 |
| BCA | NBHM803146 | 🇨🇦 CA | Rear Innerwith Spicer 60 Axle(S) | View on Amazon |
| BCA | NBHM807040 | 🇨🇦 CA | Rear Innerwith Spicer 70 Axle(S) | View on Amazon |
| NATIONAL | HM89446 | 🇨🇦 CA | Taper Bearing Cone | View on Amazon |
| NATIONAL | HM803146 | 🇨🇦 CA | Rear Innerwith 9.75 IN Ring Gear | View on Amazon |
This table covers the bearings and races on the differential pinion.
22 Differential Pinion Bearing / Race parts for the 1963 Fargo P300 Parcel Delivery come from 3 brands — WJB / INMOTION PARTS, BCA and NATIONAL. The "Popular" part is WJB / INMOTION PARTS WTHM803110.
The Economy section: 9 options from WJB / INMOTION PARTS. WJB / INMOTION PARTS WTHM803110 is listed in this group.
Standard Replacement: 13 parts, from BCA and NATIONAL. A representative part number is NATIONAL HM89410.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SR3506 | 🇨🇦 CA | Rear0.531 In Width | View on Amazon |
| WJB / INMOTION PARTS | WS99187 | 🇨🇦 CA | Fits Rear Outerwith 9.75 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 1963 Fargo P300 Parcel Delivery, from SCHAEFFLER and WJB / INMOTION PARTS.
This group includes SCHAEFFLER SR3506 and WJB / INMOTION PARTS WS99187.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NS6808N | 🇨🇦 CA | Rear Outerwith Spicer 70 Axle(S) | View on Amazon |
| NATIONAL | 6808N | 🇨🇦 CA | Fits Rear Outerwith 9.75 IN Ring Gear | View on Amazon |
| SCHAEFFLER | SS2947 | 🇨🇦 CA | Rear0.531 In Width | View on Amazon |
| WJB / INMOTION PARTS | WS6808N | 🇨🇦 CA | Fits Rear Outerwith 9.75 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.
4 Differential Pinion Seal parts are listed for the 1963 Fargo P300 Parcel Delivery, from BCA, NATIONAL, SCHAEFFLER and 1 other brand.
Part numbers include BCA NS6808N, NATIONAL 6808N and SCHAEFFLER SS2947, among others listed above.
Differential Rebuild Kit
Master Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WKRA331MK | 🇨🇦 CA | Rearwith 9.75 IN Ring Gear | View on Amazon |
Standard Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WKRA331 | 🇨🇦 CA | Rearwith 9.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS | WKRA332 | 🇨🇦 CA | Rearwith Spicer 70 Axle | View on Amazon |
This table covers kits that group the bearings, races and seals for a differential rebuild.
3 Differential Rebuild Kit parts for the 1963 Fargo P300 Parcel Delivery come from WJB / INMOTION PARTS.
The Master Kit section lists 1 option from WJB / INMOTION PARTS — grouped under the catalog's "Master Kit" designation — the notes column spells out what sets them apart. WJB / INMOTION PARTS WKRA331MK is listed in this group.
In the Standard Kit grade, WJB / INMOTION PARTS supplies 2 parts: grouped under the catalog's "Standard Kit" designation — the notes column spells out what sets them apart. A representative part number is WJB / INMOTION PARTS WKRA331.
Part numbers include WJB / INMOTION PARTS WKRA331MK, WJB / INMOTION PARTS WKRA331 and WJB / INMOTION PARTS WKRA332.
Differential Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NS88187 | 🇨🇦 CA | Fits Rearwith Spicer 60 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.
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.
Buying Drivetrain Parts for a 1963 Fargo P300 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 1963 Fargo P300 Parcel Delivery?
Our catalog currently lists 51 drivetrain parts for the 1963 Fargo P300 Parcel Delivery across 8 subcategories and 7 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 1963 Fargo P300 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 1963 Fargo P300 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 1963 Fargo P300 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 1963 Fargo P300 Parcel Delivery
Drivetrain Parts for Other Fargo P300 Parcel Delivery Years
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