F MARKED CRANK FLYWHEEL BOLT SET FOR FORD GPW
Set of 4 Bolt set
3/8 - 24NF x 15/22
Crankshaft-to-flywheel bolt set with F marking
Hardened steel, set of 4 bolts + 6 nuts + 6 lock washers
Complete hardware set for mounting the flywheel to the crankshaft of the Willys L-134 Go Devil engine. This bolt set with F marking is manufactured from hardened steel to Grade 8 specification and contains all necessary hexagonal bolts, nuts and lock washers for correct assembly.
|
Material Hardened steel (Grade 8) |
Marking F (Ford marking) |
|
Engine L-134 Go Devil 4-cylinder |
Set contents 4 hexagonal bolts, 6 nuts, 6 lock washers |
Features
- Hardened steel to Grade 8 specification
- Hexagonal bolt head with correct thread (3/8" UNF)
- Complete with nuts and lock washers
- F marking as original on Ford GPW
- Suitable for both straight and tapered flywheel mounting
★ This bolt set is manufactured to original specifications and features the historically correct F marking as applied to Ford GPW parts during WWII.
Installation notes
Note: The flywheel bolts are fitted from the engine side through the crankshaft flange, with nuts and lock washers on the clutch side. For installation, the oil sump and rear crankshaft bearing cover must be removed. Ensure that one of the flat sides of the hexagonal bolt head rests against the lip of the crankshaft flange, not a point. Tighten to manufacturer's specification.
Compatibility
Note: This concerns the hardware set (bolts, nuts, lock washers) for flywheel mounting. Early engines had 4 straight 3/8" bolts + 2 tapered dowel bolts. When replacing flywheels, the tapered dowels were sometimes replaced with straight bolts. Check your specific configuration before ordering.
Historical context
The F marking on these bolts refers to Ford Motor Company, which produced GPW jeeps alongside Willys-Overland during WWII. Ford and Willys used different suppliers, resulting in different bolt markings such as F (Ford), EC and AA (Willys).
This description was generated automatically. Unsure about fitment? Contact us at info@willys.be.
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This part is intended for the restoration of historic military vehicles. Fitting, aligning, deburring or reworking is part of that work and is inherent to the nature of these goods. Dimensional variation also exists between original vehicles.
Installation requires technical knowledge of the vehicle. Unsure whether this part suits your version? Ask us before purchase at info@willys.be.
This part fits:
| Model | Years |
|---|---|
| Military jeeps | |
| Ford GPW (early) | 1942 |
| Ford GPW | 1942, 1943, 1944, 1945 |
📐 Diagrams & technical drawings
From the original Technical Manual TM 10-1513 — Maintenance Manual — only for Willys MB / Ford GPW (1942)








