New Replacement Piston with Pin - Standard
Fits 41-71 Jeep & Willys with 4-134 engine

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New Replacement Piston with Pin - Standard
Fits 41-71 Jeep & Willys with 4-134 engine
New Complete Piston with Pin in Standard Size (4 required per vehicle)

Replaces your burned out, scratched piston set. Comes complete ready for install. Fits both flat head and overhead valve motor. Highest quality available!!!

4-134 engine

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

Availability: In stock

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Questions: Hello Kaiser, Please, what is the maker from, for this piston ??? Does it's Federal Mogul ? or who else ? All the Best. Mike.
Question By: MIKE HESSMANN on Nov 15 2016 7:53 AM
Currently Sealed Power
Answer By: Willys Jeep Parts Tech on Nov 15 2016 5:55 AM
Questions: I woud like to change the piston in my Willis 1967 coud you tell me if i shoud take the mesure on top of the piston or in the bottum to see if they are oversize.
Question By: Guy on Apr 7 2015 12:00 AM
A lot of times your piston will be stamped on the top of it. Standard bore for the 4-134 engine is 3-1/8.
Answer By: Willys Tech on Apr 7 2015 12:00 AM
Questions: What is the size of a standard piston for a 1947 cj2a?
Question By: Mitch on Sep 30 2014 12:00 AM
The 4-134 engine had a standard bore of 3-1/8 originally.
Answer By: Willys Tech on Oct 1 2014 12:00 AM
Questions: What's the best piston size for todays unleaded petrol (88 octane)?
Question By: Anonymous on Nov 14 2011 12:00 AM
It really is more what size the bore of your block is. We carry standard thru .080
Answer By: Willys Tech on Nov 15 2011 12:00 AM
Questions: does the replacement piston for the 134 engine come with rings?
Question By: david on Feb 24 2011 12:00 AM
This is piston and pin only. You will need to order part number: 941885 for the piston ring set.
Answer By: Willys Tech on Feb 25 2011 12:00 AM