5 Automatic transmission parts are listed for the 1963 Humber Hawk, in 4 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 1963 Humber Hawk, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. 4 parts of the 5 listed are Manual Shaft Seal (2 parts), Fluid Pump Repair Sleeve (1 part) and Fluid Pump Seal (1 part). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the 2.3L L4 — the only engine offered in the 1963 Humber Hawk.
The most listed brands for 1963 Humber Hawk automatic transmission parts are WJB / INMOTION PARTS (3 parts), NATIONAL (1 part) and SCHAEFFLER (1 part).
Each part number listed for the 1963 Humber Hawk opens a page with every vehicle that part fits.
Fluid Pump Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WS99168 | 🇺🇸 US | Frontwith Borg-Warner T35 Transmission | View on Amazon |
This table covers the precision wear sleeves used to restore a transmission pump seal surface.
One part is listed for the 1963 Humber Hawk — WJB / INMOTION PARTS WS99168.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | WS480479H | 🇺🇸 US | Frontwith Borg-Warner T35 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.
One part is listed for the 1963 Humber Hawk — WJB / INMOTION PARTS WS480479H.
Manual Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 311189 | 🇺🇸 US | with Borg-Warner T35 Transmission3 Speed | View on Amazon |
| WJB / INMOTION PARTS | WS311189 | 🇺🇸 US | with Borg-Warner T35 Transmission3 Speed | 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.
2 Manual Shaft Seal parts are listed for the 1963 Humber Hawk, from NATIONAL and WJB / INMOTION PARTS.
Part numbers include NATIONAL 311189 and WJB / INMOTION PARTS WS311189.
Torque Converter Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SR3491 | 🇺🇸 US | 3 speed trans.Trans. code T35 | View on Amazon |
This table covers the wear sleeves used to restore a Torque Converter seal surface.
One part is listed for the 1963 Humber Hawk — SCHAEFFLER SR3491.
Buying Automatic Transmission Parts for a 1963 Humber Hawk
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- 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 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: Manual Shaft Seal and Fluid Pump Repair Sleeve .
Frequently Asked Questions
How many automatic transmission parts fit the 1963 Humber Hawk?
Our catalog currently lists 5 automatic transmission parts for the 1963 Humber Hawk across 4 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 automatic transmission problems on a 1963 Humber Hawk?
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 1963 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 1963 Humber Hawk?
Every part on this page is matched to the 2.3L L4 engine. 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 1963 Humber Hawk
Automatic Transmission Parts for Other Humber Hawk Years
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