The 1948 Humber Pullman has one listed manual transmission part: Main / Output Shaft Pilot Repair Sleeve from SKF, covering the 4.1L 249cid L6 — the only engine offered in the 1948 Humber Pullman. It includes a manufacturer part number and application notes.
On the 1948 Humber Pullman, the manual transmission and clutch covers the manual gearbox and clutch system — discs, pressure plates, flywheels, slave and master cylinders, shift components.
The part number opens a page with every vehicle that part fits.
Main / Output Shaft Pilot Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF | 99174 | 🇺🇸 US | Shaft Diameter: 1.750 In | View on Amazon |
This table covers the wear sleeves used to restore a Main / Output Shaft Pilot seal surface.
This group shows a single part: SKF 99174.
Buying Manual Transmission Parts for a 1948 Humber Pullman
On this vehicle, the manual transmission and clutch covers the manual gearbox and clutch system — discs, pressure plates, flywheels, slave and master cylinders, shift components.
- Confirm you have the 4.1L 249cid 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 release bearing, pilot bearing and often the slave cylinder with any clutch — access is the expensive part.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Main / Output Shaft Pilot Repair Sleeve .
Frequently Asked Questions
How many manual transmission parts fit the 1948 Humber Pullman?
This page lists one manual transmission part for the 1948 Humber Pullman: Main / Output Shaft Pilot Repair Sleeve from SKF, covering the 4.1L 249cid L6 engine.
What are the signs of manual transmission problems on a 1948 Humber Pullman?
Common symptoms include a slipping clutch at highway speed, chatter on takeoff, grinding into gear, or a pedal that stays low. 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 release bearing, pilot bearing and often the slave cylinder with any clutch — access is the expensive part.
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 1948 Humber Pullman 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 1948 Humber Pullman?
Every part on this page is matched to the 4.1L 249cid L6 engine. Then resurface or replace the flywheel with every clutch — installing a new disc on a heat-checked flywheel wastes the whole job. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1948 Humber Pullman
Manual Transmission Parts for Other Humber Pullman Years
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