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Parts for 1941-1971 Willys and Jeep Models – Please select your vehicle below. Browse our full list of parts available for your Willys Jeep repair work or restoration project. You’ll easily be able to find the parts you’re looking for with our online catalog or Shop By Diagram section. For more information about how to identify your Willys or Jeep model, please refer to our Serial Number Guide, About Willys history pages, email our tech support at mike@kaiserwillys.com, or give us a call at Toll Free: 1-888-648-4923 (Mon-Fri, 9AM-5PM EST).

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Shop By Diagram

Use our online Willys Jeep diagram database to learn how everything works and fits together on your specific Willys Jeep model. It’s easy to find the parts you need by looking through our exploded, well labeled diagrams listing many of the parts we sell to help you with your repair or restoration. For any questions, email our tech support at mike@kaiserwillys.com, or give us a call at Toll Free: 1-888-648-4923 (Mon-Fri, 9AM-5PM EST).

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41-45 MB Diagrams

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41-45 GPW Diagrams

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46-49 CJ-2A Diagrams

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49-53 CJ-3A Diagrams

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53-64 CJ-3B Diagrams

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55-75 CJ-5 Diagrams

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50-52 M38 Diagrams

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52-71 M38A1 Diagrams

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46-64 Truck Diagrams

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48-51 Jeepster Diagrams

Home » 55-75 CJ-6 » Original Reproduction Single Groove Crankshaft Pulley Fits 41-71 Jeep & Willys with 4-134 engine

Original Reproduction Single Groove Crankshaft Pulley Fits 41-71 Jeep & Willys with 4-134 engine

Original Reproduction Single Groove Crankshaft Pulley Fits 41-71 Jeep & Willys with 4-134 engine

Original Reproduction Single Groove Crankshaft Pulley Fits 41-71 Jeep & Willys with 4-134 engine

Original Reproduction Single Groove Crankshaft Pulley Fits 41-71 Jeep & Willys with 4-134 engine

Original Reproduction Single Groove Crankshaft Pulley Fits 41-71 Jeep & Willys with 4-134 engine

Original Reproduction Single Groove Crankshaft Pulley Fits 41-71 Jeep & Willys with 4-134 engine

Original Reproduction Single Groove Crankshaft Pulley Fits 41-71 Jeep & Willys with 4-134 engine

Original Reproduction Single Groove Crankshaft Pulley Fits 41-71 Jeep & Willys with 4-134 engine

Original Reproduction Single Groove Crankshaft Pulley Fits 41-71 Jeep & Willys with 4-134 engine

Original Reproduction Single Groove Crankshaft Pulley Fits 41-71 Jeep & Willys with 4-134 engine

Original Reproduction Single Groove Crankshaft Pulley
Fits 41-71 Jeep & Willys with 4-134 engine

Part # 638113

Original Reproduction Single Groove Crankshaft Pulley

Proper style single groove pulley for one belt applications. Original wide groove for early style belts. 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
638113	$89.99 MSRP:

$89.99

MSRP:

Product Videos

Questions & Answers

Is this a direct replacement for double grove alignment wise with single grove water pump

Willys Jeep Parts Tech.:
You typically wouldn't have that set up. They follow suit. Email mike@kaiserwillys.com to help.

Does this pulley have the timing notch?

Willys Jeep Parts Tech:
No you would have to indent your own on it.

Why do I need to call? I have a 1948 Willys and I need this New Single Groove Crankshaft Pulley - what do I need to know? Bill

Willys Jeep Parts Tech:
We have limited availability on these.

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