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New Replacement Oil Pump
Fits 46-71 Jeep & Willys with 4-134 engine

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New Replacement Oil Pump
Fits 46-71 Jeep & Willys with 4-134 engine
New Replacement Oil Pump

For both flat head and overhead valve gear driven motors. Guaranteed proper high volume pump for proper lubrication.

Application
4-134 engine

Fits:
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
804484
$159.99

Availability: In stock

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Questions & Answers

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Questions: Are you aware of any problems that could arise with the pump or the engine if I use this pump and synthetic oil on an F-134 1962 Willys?
Question By: Isidoro Couvertier on Nov 26 2017 4:49 PM
We use 10W-30 non synthetic.
Answer By: Willys Jeep Parts Tech on Nov 27 2017 9:49 AM
Questions: 4-134 engine for 51 pickup. One drive tooth is chipped, can I replace just the gear?
Question By: Ken on Aug 29 2017 2:05 PM
No, you would need to replace entire oil pump and check your camshaft as well.
Answer By: Willys Jeep Parts Tech on Aug 29 2017 7:46 AM
Questions: i am guessing the tooth on the distributor shaft is off set along with the slot on the oil pump
Question By: james on Aug 5 2017 10:36 PM
Yes, that is correct.
Answer By: Willys Jeep Parts Tech on Aug 7 2017 5:58 AM
Questions: I bought a new pump for my L134 willys motor. The gear on the end is the wrong angle. Can I just change the gear or are the two different pumps for this motor?
Question By: Rick Reasoner on Jul 3 2017 12:10 PM
That is the difference between chain v. gear driven motor/camshaft. Please call us toll free and we can help.
Answer By: Willys Jeep Parts Tech on Jul 3 2017 5:55 AM
Questions: My CJ2A is serial number 10618. Is oil pump 80434 the correct one to purchase?
Question By: John on Jun 29 2017 5:58 PM
Its always always best to check if your chain driven or gear driven motor. Just remove the timing cover to check it. That appears early though.
Answer By: Willys Jeep Parts Tech on Jun 29 2017 12:39 PM
Questions: Do you have a rebuild kit for this pump?
Question By: James on May 19 2017 2:34 PM
No, I'm sorry. No one makes a rebuild kit for the oil pumps. Thanks!
Answer By: Willys Jeep Parts Tech on May 22 2017 5:20 AM
Questions: hellos, what is the normal pressure of this pump? thank you.
Question By: mike archambault on Sep 19 2016 8:33 PM
For the 4-134 engine minimum safe pressure is 6 psi at idle. at 2000 rpm it should be 20 psi minimum. Normal oil pressure is 35 psi at 2000 rpm.
Answer By: Willys Jeep Parts Tech on Sep 19 2016 1:35 PM
Questions: My 49 willy jeep seems to have good oil psi when cool it is at 40 psi as it warms up the psi drops to 15 and some time 0 one the gage can it has sat fore 5 years . It started rite up and runs good and sounds good no lose of power it has new oil in it 10w30 is there a way to test the oil pump are can a gage case me a falls reding when it warms up the oil psi gose up when revd up to 30
Question By: John vhal on Jun 14 2013 12:00 AM
Your oil pressure should always rise with more rpms...I would replace the gauge before you run it again to confirm you are not loosing pressure and doing damage to the engine.
Answer By: Willys Tech on Jun 14 2013 12:00 AM
Questions: I get a very (very) low flow of oil to the valves. Some what better to the gauge. Is there anyway to clean these oil lines that are in the block lines.? Can you force air in the reverse direction and hope to clean the lines?
Question By: Steve. on May 4 2013 12:00 AM
Yes you can always tank them and blow them out with compressed air after removing them.
Answer By: Willys Tech on May 6 2013 12:00 AM
Questions: can the oil pump be removed without it affecting the timming with the engine stil in the jeep.
Question By: Anonymous on Apr 25 2013 12:00 AM
Yes, as long as you slide it out and I would mark its position so you can get it to line up with the tooth of the dist.
Answer By: Willys Tech on Apr 25 2013 12:00 AM
Questions: How can I check to see if oil pump is bad
Question By: Scott on Jan 5 2012 12:00 AM
The best way to check is by your oil gauge. You can also remove it and check for any damaged teeth on your old one.
Answer By: Willys Tech on Jan 6 2012 12:00 AM
Questions: Does the oil pump drive the distributor shaft?
Question By: Anonymous on Dec 5 2011 12:00 AM
Yes. The end of your distributor shaft has a tooth that fits into the slot on the end of the oil pump.
Answer By: Willys Tech on Dec 6 2011 12:00 AM
Questions: Does this pump include any necessary mounting gaskets?
Question By: Mike on Jun 22 2011 12:00 AM
Yes that is correct.
Answer By: Willys Tech on Jun 23 2011 12:00 AM
Questions: Do you ship to Brazil?
Question By: Gernandes on Mar 24 2011 12:00 AM
Yes, we ship daily USPS and UPS international.
Answer By: Willys Tech on Mar 25 2011 12:00 AM
Questions: will this fit a belt driven
Question By: jody on Feb 25 2011 12:00 AM
I think you mean chain driven motor. This is for gear driven. The early chain driven pump part number is: 804769
Answer By: Willys Tech on Feb 28 2011 12:00 AM
Questions: Will this pump fit any 4-134 F head engine?
Question By: Randy on Nov 10 2010 12:00 AM
Yes, this is the proper replacement pump for any 4-134 engine. It is a direct bolt on pump and hi-flow.
Answer By: Willys Tech on Nov 11 2010 12:00 AM