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Crankshaft Pulley Nut
Fits 41-71 Jeep & Willys with 4-134 engine

Part # 638513

New Crankshaft Pulley Retaining Nut

Proper style nut to hold your crankshaft pulley in place and tight. Fits both flat head and overhead valve motor.

Application
4-134 engine

Fits:
41-45 MB
41-45 GPW
46-49 CJ-2A
49-53 CJ-3A
53-64 CJ-3B
55-71 CJ-5
50-52 M38
52-66 M38A1
46-53 Truck
46-53 Station Wagon
48-51 Jeepster

Part # Price
638513

$5.99

MSRP:

$5.99

MSRP:

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Questions & Answers

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I have an M38A1 with a 4-134F continental engine, it lost the nut of the crankshaft pulley and I would like to know the number of threads of the thread, I understand that the diameter is 1 ". Thank you very much.

Willys Jeep Parts Tech:
1"-16 I do believe.

need to chase the threads on the crank , can you tell me size and thread pitch thank you

Willys Jeep Parts Tech:
These should be a 1"-16 thread.
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