98 Drivetrain parts are listed for the 1966 Fargo W100 Panel Delivery, in 18 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.
The drivetrain system on the 1966 Fargo W100 Panel Delivery moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are Differential Pinion Bearing / Race (26 parts), Differential Carrier Bearing / Race (15 parts) and Transfer Case Output Shaft Bearing (12 parts). The other 15 part types cover the remaining 45 parts.
The 1966 Fargo W100 Panel Delivery was sold with both the 3.7L 225cid L6 and the 5.2L 318cid V8. All 98 parts on this page fit every engine.
The most listed brands for 1966 Fargo W100 Panel Delivery drivetrain parts are WJB / INMOTION PARTS (35 parts), BCA (32 parts) and NATIONAL (18 parts), plus 5 more brands. Quality grades include Standard Replacement, Economy and Heavy Duty.
16 parts on this 1966 Fargo W100 Panel Delivery page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including WJB / INMOTION PARTS WTLM104949 (Differential Carrier Bearing / Race) and WJB / INMOTION PARTS WTM88010 (Differential Pinion Bearing / Race). Click any part number to see every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1966 W100 Panel Delivery engines | NS40769S | 🇨🇦 CA | Fits Frontwith Spicer 44-3CF Axle | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WS40769S | 🇨🇦 CA | Fits Frontwith 8.5 IN Ring Gear | View on Amazon |
This table covers the seals where an axle shaft exits the 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.
2 Axle Shaft Seal parts for the 1966 Fargo W100 Panel Delivery come from 2 brands — BCA and WJB / INMOTION PARTS. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
This group includes BCA NS40769S and WJB / INMOTION PARTS WS40769S.
Differential Carrier Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular Fits: all 1966 W100 Panel Delivery engines | WTLM104949 | 🇨🇦 CA | Rearwith 8.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WT25520 | 🇨🇦 CA | RaceCup Outside Diameter (In): 3.2650000000000001 In | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WT25523 | 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WTLM104912 | 🇨🇦 CA | RaceWidth: 0.65 In | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WT25590 | 🇨🇦 CA | Rearwith 8.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WT25577 | 🇨🇦 CA | Fits Frontwith 8.5 IN Ring Gear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 1966 W100 Panel Delivery engines | ACLM104949 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| NATIONAL Popular Fits: all 1966 W100 Panel Delivery engines | 25523 | 🇨🇦 CA | Race | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB25520 | 🇨🇦 CA | Race | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NBLM104912 | 🇨🇦 CA | Race | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB25523 | 🇨🇦 CA | Race | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NBLM104949 | 🇨🇦 CA | RearCasting # 742 | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB25590 | 🇨🇦 CA | RearCasting # 741 | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB25577 | 🇨🇦 CA | Frontwith Spicer 44-3F, Spicer 44-3CF Axle(S) | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 25577 | 🇨🇦 CA | Fits Frontwith 8.5 IN Ring Gear | View on Amazon |
This table covers the bearings and races that support the differential carrier.
15 Differential Carrier Bearing / Race parts for the 1966 Fargo W100 Panel Delivery come from 4 brands — WJB / INMOTION PARTS, BCA, NATIONAL and 1 other brand. The "Popular" part is WJB / INMOTION PARTS WTLM104949. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
The Economy section lists 6 options from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS WTLM104949 is listed in this group.
In the Standard Replacement grade, BCA, NATIONAL and ACDELCO supply 9 parts: built to original-equipment specification. A representative part number is ACDELCO ACLM104949.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: all 1966 W100 Panel Delivery engines | RDS6629 | 🇨🇦 CA | Fits Rearwith Spicer 44-3CF Axle(S) | View on Amazon |
| FEL-PRO Fits: all 1966 W100 Panel Delivery engines | RDS6583 | 🇨🇦 CA | Rearwith 8.75 (In) Ring Gear | View on Amazon |
| VICTOR REINZ Fits: all 1966 W100 Panel Delivery engines | 711481100 | 🇨🇦 CA | Frontwith Dana 44 Axle(S) | View on Amazon |
| VICTOR REINZ Fits: all 1966 W100 Panel Delivery engines | 711482500 | 🇨🇦 CA | with 10 Bolt Holeswith Chrysler 8.75 IN Rear Axle | 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.
4 Differential Cover Gasket parts for the 1966 Fargo W100 Panel Delivery 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 RDS6629, FEL-PRO RDS6583 and VICTOR REINZ 711481100, among others listed above.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular Fits: all 1966 W100 Panel Delivery engines | WTM88010 | 🇨🇦 CA | RaceCup Outside Diameter (In): 2.6880000000000002 In | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: all 1966 W100 Panel Delivery engines | WTM88048 | 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: all 1966 W100 Panel Delivery engines | WTHM89443 | 🇨🇦 CA | Rear Outerwith 8.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WTHM803110 | 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WT02820 | 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WT31520 | 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WTHM89410 | 🇨🇦 CA | RaceCup Outside Diameter (mm): 76.2 MM | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WT02872 | 🇨🇦 CA | Fits Front Outerwith 8.5 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WT31594 | 🇨🇦 CA | Fits Front Innerwith 8.5 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WTHM89446 | 🇨🇦 CA | Rear Innerwith 8.75 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WTHM803149 | 🇨🇦 CA | Rear Innerwith 8.75 IN Ring Gear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular Fits: all 1966 W100 Panel Delivery engines | NBM88010 | 🇨🇦 CA | Race | View on Amazon |
| BCA Popular Fits: all 1966 W100 Panel Delivery engines | NBM88048 | 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| BCA Popular Fits: all 1966 W100 Panel Delivery engines | NBBR52 | 🇨🇦 CA | Bearing & Race | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB02820 | 🇨🇦 CA | Race | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB31520 | 🇨🇦 CA | Race | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NBHM89410 | 🇨🇦 CA | Race | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NBHM803110 | 🇨🇦 CA | Race | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB02872 | 🇨🇦 CA | Fits Front Outerwith Spicer 44-3CF Axle(S) | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB31594 | 🇨🇦 CA | Fits Front Innerwith Spicer 44-3CF Axle(S) | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NBHM89446 | 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NBHM803149 | 🇨🇦 CA | Rear InnerCasting # 742 | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NBHM89443 | 🇨🇦 CA | Rear OuterCasting # 742 | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 02820 | 🇨🇦 CA | Race | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 02872 | 🇨🇦 CA | Fits Front Outerwith 8.5 IN Ring Gear | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 31594 | 🇨🇦 CA | Fits Front Innerwith 8.5 IN Ring Gear | View on Amazon |
This table covers the bearings and races on the differential pinion.
26 Differential Pinion Bearing / Race parts are listed for the 1966 Fargo W100 Panel Delivery, from BCA, WJB / INMOTION PARTS and NATIONAL. WJB / INMOTION PARTS WTM88010 carries the "Popular" badge. They are grouped as Economy and Standard Replacement, with Standard Replacement the largest group at 15 parts from BCA and NATIONAL.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER Fits: all 1966 W100 Panel Delivery engines | SR3506 | 🇨🇦 CA | Rear0.531 In Width | View on Amazon |
| SCHAEFFLER Fits: all 1966 W100 Panel Delivery engines | SR3481 | 🇨🇦 CA | Front14.3 mm Width | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WS99155 | 🇨🇦 CA | Fits Front Outerwith 8.5 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WS99187 | 🇨🇦 CA | Fits Rear Outerwith 8.75 IN Ring Gear | View on Amazon |
This table covers the wear sleeves used to restore a grooved pinion seal surface.
4 Differential Pinion Repair Sleeve parts for the 1966 Fargo W100 Panel Delivery come from 2 brands — SCHAEFFLER and WJB / INMOTION PARTS. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
Part numbers include SCHAEFFLER SR3506, SCHAEFFLER SR3481 and WJB / INMOTION PARTS WS99155, among others listed above.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: all 1966 W100 Panel Delivery engines | 7216 | 🇨🇦 CA | Rear OuterCasting # 742 | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: all 1966 W100 Panel Delivery engines | WS5778 | 🇨🇦 CA | Nitrile | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NS8515N | 🇨🇦 CA | Rear OuterCasting # 741 | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NS5778V | 🇨🇦 CA | Viton | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NS7216 | 🇨🇦 CA | Rear OuterCasting # 742 | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 8515N | 🇨🇦 CA | Rear OuterCasting # 741 | View on Amazon |
| SCHAEFFLER Fits: all 1966 W100 Panel Delivery engines | SS2633 | 🇨🇦 CA | Front Outer16.891 mm Width | 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.
7 Differential Pinion Seal parts for the 1966 Fargo W100 Panel Delivery come from 4 brands — BCA, NATIONAL, WJB / INMOTION PARTS and 1 other brand. The "Popular" part is NATIONAL 7216. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
Part numbers include NATIONAL 7216, WJB / INMOTION PARTS WS5778 and BCA NS8515N, among others listed above.
Differential Rebuild Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WKRA300 | 🇨🇦 CA | Rearwith 8.75 IN Ring Gear | View on Amazon |
This table covers kits that group the bearings, races and seals for a differential rebuild.
One part is listed for the 1966 Fargo W100 Panel Delivery — WJB / INMOTION PARTS WKRA300.
Differential Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1966 W100 Panel Delivery engines | NS88187 | 🇨🇦 CA | Fits RearCasting # 742 | View on Amazon |
This table covers the wear sleeves used to restore a Differential seal surface.
One part is listed for the 1966 Fargo W100 Panel Delivery — BCA NS88187.
Transfer Case Idler Shaft Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular Fits: all 1966 W100 Panel Delivery engines | WT2720 | 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WT2793 | 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: all 1966 W100 Panel Delivery engines | 2720 | 🇨🇦 CA | RaceTaper Bearing Cup | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1966 W100 Panel Delivery engines | NB2720 | 🇨🇦 CA | Race | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB2793 | 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 2793 | 🇨🇦 CA | Taper Bearing Cone | View on Amazon |
This table covers the Transfer Case Idler Shaft 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.
6 Transfer Case Idler Shaft Bearing parts for the 1966 Fargo W100 Panel Delivery come from 3 brands — WJB / INMOTION PARTS, NATIONAL and BCA. The "Popular" part is WJB / INMOTION PARTS WT2720. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
The Economy section: 2 options from WJB / INMOTION PARTS. WJB / INMOTION PARTS WT2720 is listed in this group.
Standard Replacement: 1 part, from NATIONAL. A representative part number is NATIONAL 2720.
3 further parts sit outside the graded sections, with the same engine-level match.
This group includes WJB / INMOTION PARTS WT2720, WJB / INMOTION PARTS WT2793 and NATIONAL 2720 and the remaining parts above.
Transfer Case Input Shaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 99212 | 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WS99212 | 🇨🇦 CA | View on Amazon |
This table covers the wear sleeves used to restore a Transfer Case Input Shaft seal surface.
2 Transfer Case Input Shaft Repair Sleeve parts are listed for the 1966 Fargo W100 Panel Delivery, from NATIONAL and WJB / INMOTION PARTS. All of them fit every engine offered in the 1966 W100 Panel Delivery.
Part numbers include NATIONAL 99212 and WJB / INMOTION PARTS WS99212.
Transfer Case Input Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1966 W100 Panel Delivery engines | NS410308 | 🇨🇦 CA | with New Process 201 Transfer Casewith Full Time 4WD | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 410308 | 🇨🇦 CA | with New Process 201 Transfer Case2 Speed | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WS410308 | 🇨🇦 CA | with New Process 201 Transfer Case2 Speed | View on Amazon |
This table covers the seals at the Transfer Case Input 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 Transfer Case Input Shaft Seal parts are listed for the 1966 Fargo W100 Panel Delivery, from BCA, NATIONAL and WJB / INMOTION PARTS. All of them fit every engine offered in the 1966 W100 Panel Delivery.
This group includes BCA NS410308, NATIONAL 410308 and WJB / INMOTION PARTS WS410308.
Transfer Case Main Shaft Pilot Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | 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.
One part is listed for the 1966 Fargo W100 Panel Delivery — WJB / INMOTION PARTS WRQ15902.
Transfer Case Output Shaft Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular Fits: all 1966 W100 Panel Delivery engines | WT2720 | 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: all 1966 W100 Panel Delivery engines | WT3780 | 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WT3720 | 🇨🇦 CA | Race | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WT2793 | 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: all 1966 W100 Panel Delivery engines | 2720 | 🇨🇦 CA | RaceTaper Bearing Cup | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB3720 | 🇨🇦 CA | Race Only | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB3780 | 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 3720 | 🇨🇦 CA | Race OnlyTaper Bearing Cup | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 3780 | 🇨🇦 CA | Taper Bearing Cone | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1966 W100 Panel Delivery engines | NB2720 | 🇨🇦 CA | Race | View on Amazon |
| BCA Fits: all 1966 W100 Panel Delivery engines | NB2793 | 🇨🇦 CA | Bearing Shape: Cylindrical | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 2793 | 🇨🇦 CA | Taper Bearing Cone | View on Amazon |
This table covers the Transfer Case Output Shaft 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.
12 Transfer Case Output Shaft Bearing parts are listed for the 1966 Fargo W100 Panel Delivery, from WJB / INMOTION PARTS, NATIONAL and BCA. WJB / INMOTION PARTS WT2720 carries the "Popular" badge. All of them fit every engine offered in the 1966 W100 Panel Delivery.
Economy: 4 parts, from WJB / INMOTION PARTS. A representative part number is WJB / INMOTION PARTS WT2720.
The Standard Replacement section: 5 options from NATIONAL and BCA. NATIONAL 2720 is listed in this group.
3 ungrouped parts are not assigned to a grade, with the same engine-level match.
Transfer Case Output Shaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 99212 | 🇨🇦 CA | Rear Outerwith New Process 201 Transfer Case | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WS99212 | 🇨🇦 CA | Fits Front | View on Amazon |
This table covers the wear sleeves used to restore a Transfer Case Output Shaft seal surface.
2 Transfer Case Output Shaft Repair Sleeve parts for the 1966 Fargo W100 Panel Delivery 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 99212 and WJB / INMOTION PARTS WS99212.
Transfer Case Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER Fits: all 1966 W100 Panel Delivery engines | SS3110 | 🇨🇦 CA | Fits Rear Outer77.876 mm Outside Diameter | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WS410308 | 🇨🇦 CA | Fits Front | View on Amazon |
This table covers the seals at the Transfer Case Output 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 Transfer Case Output Shaft Seal parts for the 1966 Fargo W100 Panel Delivery come from 2 brands — SCHAEFFLER and WJB / INMOTION PARTS. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
Listed part numbers: SCHAEFFLER SS3110 and WJB / INMOTION PARTS WS410308.
Transfer Case Shift Shaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1966 W100 Panel Delivery engines | NS99076 | 🇨🇦 CA | with New Process 201 Transfer Casewith Full Time 4WD | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 99076 | 🇨🇦 CA | with New Process 201 Transfer Case2 Speed | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WS99076 | 🇨🇦 CA | with New Process 201 Transfer Case2 Speed | View on Amazon |
This table covers the wear sleeves used to restore a Transfer Case Shift Shaft seal surface.
3 Transfer Case Shift Shaft Repair Sleeve parts are listed for the 1966 Fargo W100 Panel Delivery, from BCA, NATIONAL and WJB / INMOTION PARTS. All of them fit every engine offered in the 1966 W100 Panel Delivery.
This group includes BCA NS99076, NATIONAL 99076 and WJB / INMOTION PARTS WS99076.
Transfer Case Shift Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 1966 W100 Panel Delivery engines | NS6835S | 🇨🇦 CA | with New Process 201 Transfer Casewith Full Time 4WD | View on Amazon |
| NATIONAL Fits: all 1966 W100 Panel Delivery engines | 6835S | 🇨🇦 CA | with New Process 201 Transfer Case | View on Amazon |
| WJB / INMOTION PARTS Fits: all 1966 W100 Panel Delivery engines | WS6835S | 🇨🇦 CA | View on Amazon |
This table covers the seals at the Transfer Case 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.
3 Transfer Case Shift Shaft Seal parts are listed for the 1966 Fargo W100 Panel Delivery, from BCA, NATIONAL and WJB / INMOTION PARTS. All of them fit every engine offered in the 1966 W100 Panel Delivery.
Listed part numbers: BCA NS6835S, NATIONAL 6835S and WJB / INMOTION PARTS WS6835S.
Universal Joint
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOOG Fits: all 1966 W100 Panel Delivery engines | 365 | 🇨🇦 CA | Super StrengthNon-Greasable | View on Amazon |
| MOOG Fits: all 1966 W100 Panel Delivery engines | 378 | 🇨🇦 CA | Super StrengthGreasable | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOOG Fits: all 1966 W100 Panel Delivery engines | 315G | 🇨🇦 CA | GreasableGrease Fitting In Body | View on Amazon |
| MOOG Fits: all 1966 W100 Panel Delivery engines | 317 | 🇨🇦 CA | Greasable | View on Amazon |
This table covers the U-joints in the driveshaft.
4 Universal Joint parts for the 1966 Fargo W100 Panel Delivery come from MOOG. Every part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
In the Heavy Duty grade, MOOG supplies 2 parts: rated for severe service. A representative part number is MOOG 365.
Standard Replacement: 2 parts, from MOOG. A representative part number is MOOG 315G.
Part numbers include MOOG 365, MOOG 378 and MOOG 315G, among others listed above.
Buying Drivetrain Parts for a 1966 Fargo W100 Panel Delivery
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- You do not need to pick an engine: every drivetrain part on this page fits both the 3.7L 225cid L6 and the 5.2L 318cid V8.
- 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 W100 Panel Delivery?
Our catalog currently lists 98 drivetrain parts for the 1966 Fargo W100 Panel Delivery across 18 subcategories and 8 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 drivetrain parts differ between 1966 Fargo W100 Panel Delivery engines?
No. On this page every drivetrain part fits both the 3.7L 225cid L6 and the 5.2L 318cid V8. 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 drivetrain problems on a 1966 Fargo W100 Panel 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 W100 Panel 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 W100 Panel Delivery?
Every part on this page already fits both the 3.7L 225cid L6 and the 5.2L 318cid V8. 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 W100 Panel Delivery
Drivetrain Parts for Other Fargo W100 Panel Delivery Years
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