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

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

New Double Groove Crankshaft Pulley

Proper heavy duty military build. Constructed in the USA.

Set to the original diameter for your double fan belts to run on. Don't settle for the smaller diameter, unoriginal pulleys.

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

Item # Price
646699
$159.99

Availability: In stock

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Questions: What's the second grove for?
Question By: Emilio Carbone on Jul 15 2020 1:19 AM
They had double groove water pump and generator pulleys. It was basically a back up belt if one broke in the field.
Answer By: Willys Jeep Parts Tech on Jul 15 2020 6:01 AM
Questions: Is this pulley made to replace your Item # 646698? If so, does this pulley require machining as well and why didn't the sheave sizes stay the same?
Question By: Frank Levy on Jun 25 2020 2:50 PM
This is a direct fitment US made double groove pully for your 4-134 motor and is ready for install and properly made.
Answer By: Willys Jeep Parts Tech on Jun 29 2020 5:49 AM
Questions: Hi, Is the outside pully wider than the inside pully
Question By: Geoffrey A Johnson on Apr 18 2020 3:39 PM
No, they are the same like original.
Answer By: Willys Jeep Parts Tech on Apr 20 2020 5:47 AM