15 Drivetrain parts are listed for the 1966 Humber Hawk, in 3 part types, covering the 2.3L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1966 Humber Hawk, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 15 listed parts are Differential Pinion Bearing / Race (9 parts), Differential Carrier Bearing / Race (4 parts) and Drive Shaft Center Support Bearing (2 parts).
The 1966 Humber Hawk came with a single engine, the 2.3L L4, and every part is verified against it.
3 brands supply drivetrain parts for the 1966 Humber Hawk, led by WJB / INMOTION PARTS (7 parts), BCA (7 parts) and NATIONAL (1 part). Quality grades include Economy and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1966 Humber Hawk. 2 parts have it, including WJB / INMOTION PARTS WT3490 (Differential Pinion Bearing / Race) and NATIONAL 02475 (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 | WT362A | 🇺🇸 US | Race | View on Amazon |
| WJB / INMOTION PARTS | WT368A | 🇺🇸 US | Rearwith Rootes Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NB362A | 🇺🇸 US | Race | View on Amazon |
| BCA | NB368A | 🇺🇸 US | Repair Bearing | View on Amazon |
This table covers the bearings and races that support the differential carrier.
4 Differential Carrier Bearing / Race parts are listed for the 1966 Humber Hawk, from WJB / INMOTION PARTS and BCA.
In the Economy grade, WJB / INMOTION PARTS supplies 2 parts: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS WT362A.
The Standard Replacement section lists 2 options from BCA — built to original-equipment specification. BCA NB362A is listed in this group.
Part numbers include WJB / INMOTION PARTS WT362A, WJB / INMOTION PARTS WT368A and BCA NB362A, among others listed above.
Differential Pinion Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Popular | WT3490 | 🇺🇸 US | Rear Innerwith Rootes Axle | View on Amazon |
| WJB / INMOTION PARTS | WT3420 | 🇺🇸 US | Race | View on Amazon |
| WJB / INMOTION PARTS | WT02420 | 🇺🇸 US | Outside Diameter: 2.6880000000000002 InRace | View on Amazon |
| WJB / INMOTION PARTS | WT02475 | 🇺🇸 US | Rear Outerwith Rootes Axle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 02475 | 🇺🇸 US | Rear Outerwith Rootes Axle | View on Amazon |
| BCA | NB3420 | 🇺🇸 US | Race Only | View on Amazon |
| BCA | NB02475 | 🇺🇸 US | Rear Outerwith Rootes Axle(s) | View on Amazon |
| BCA | NB3490 | 🇺🇸 US | Rear Innerwith Rootes Axle(s) | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NB02420 | 🇺🇸 US | Race | View on Amazon |
This table covers the bearings and races on the differential pinion.
9 Differential Pinion Bearing / Race parts for the 1966 Humber Hawk come from 3 brands — WJB / INMOTION PARTS, BCA and NATIONAL. The "Popular" part is WJB / INMOTION PARTS WT3490.
The Economy section: 4 options from WJB / INMOTION PARTS. WJB / INMOTION PARTS WT3490 is listed in this group.
Standard Replacement: 4 parts, from BCA and NATIONAL. A representative part number is NATIONAL 02475.
1 further part sits outside the graded sections, with the same engine-level match.
Part numbers include WJB / INMOTION PARTS WT3490, WJB / INMOTION PARTS WT3420 and WJB / INMOTION PARTS WT02420, among others listed above.
Drive Shaft Center Support Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WB88506 | 🇺🇸 US | Outside Diameter: 2.44 In | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NB88506 | 🇺🇸 US | with 1.18 IN Bearing Inside Diameter | View on Amazon |
This table covers the Drive Shaft Center Support 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.
2 Drive Shaft Center Support Bearing parts for the 1966 Humber Hawk come from 2 brands — WJB / INMOTION PARTS and BCA.
The Economy section: 1 option from WJB / INMOTION PARTS. WJB / INMOTION PARTS WB88506 is listed in this group.
Standard Replacement: 1 part, from BCA. A representative part number is BCA NB88506.
Part numbers include WJB / INMOTION PARTS WB88506 and BCA NB88506.
Buying Drivetrain Parts for a 1966 Humber Hawk
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 2.3L L4 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 Humber Hawk?
Our catalog currently lists 15 drivetrain parts for the 1966 Humber Hawk across 3 subcategories and 3 brands, covering the 2.3L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 1966 Humber Hawk?
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 Humber Hawk 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 Humber Hawk?
Every part on this page is matched to the 2.3L L4 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 Humber Hawk
Drivetrain Parts for Other Humber Hawk Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.