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CJ-3B Bulletin Board

Welcome to the CJ-3B Bulletin Board, the forum of Everyone is invited to view the postings here, but you must register as a member in order to post messages. The moderator reserves the right to remove items posted. Items may be archived on the Tech Tips page. If you post a problem, please follow up by posting the solution when it is found, as it will likely be useful to other readers. For forums covering other Jeep models, see the bottom of this page.

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 F 134 oil filter question, Engine question
Posted: Apr 10 2012, 09:41 PM


Group: Members
Posts: 21
Member No.: 1,460
Joined: 9-April 12

Hey guys, newbee here. I have an f head and there doesn't seem to be an oil filter on it. I know it should be in front of the oil filler tube , butt it isn't there. In fact it isn't anywhere. I'm new to this engine and don't even know where or if I can add one and how it should be connected. The number on the engine is 685836. I've searched all over and can't find an answer. Any ideas?
Posted: Apr 10 2012, 09:44 PM


Group: Members
Posts: 21
Member No.: 1,460
Joined: 9-April 12

Sorry, number is 648830 in raised numbers
Posted: Apr 11 2012, 06:46 AM


Group: Members
Posts: 909
Member No.: 6
Joined: 15-October 08

Welcome to the CJ-3B Page......

On the Specs and Tech Tips Page found on the CJ-3B Home Page, you will find this article in the Engine Group;

Sometimes folks in the past remove the oil filters for what ever reason. It doesn't effect the operation of the engine except for the lack of cleaning the oil. The filter normally diverts some of the oil flow for cleaning as the engine runs and is not a 100% pass as you see on todays cars.

Do a search of oil filters on the Home Page and you'll be able to find some more detailed pictures.

The filters are not hard to find on E Bay and lots of folks have an extra one laying around in their stock pile. Go to our Parts Sell/Buy on the Bulletin Board page and post a WTB (want to buy) ad when ready to look for one.

Don Norris
Southeast, NC

1953 CJ3B
1959 Jeep Pickup
195? M100 trailer
The trail never ends
If lovin' Jeeps is wrong,
I don't wanta be right.
Larry (TX)
Posted: Apr 11 2012, 11:37 AM


Group: Members
Posts: 1,780
Member No.: 40
Joined: 19-October 08

Or, check with Harry Sheets at Midwest Willys in Crawfordsville, IN as he most likely will have what you need. Phone # is 765 362-2247.

Larry Steed
Pearland, Texas
'53 Willys CJ3B
'52 Willys M38
'81 CJ7
'86 Chevy M1009 CUCV (K5 4x4 Military Blazer)
M100 1/4 ton jeep trailer
M416 1/4 ton jeep trailer (2 ea.)
M101 CDN 1/4 ton jeep trailer
Posted: Apr 11 2012, 06:18 PM


Group: Co-Admin
Posts: 5,416
Member No.: 3
Joined: 12-July 08

Welcome to the CJ-3B Bulletin Board !
FYI the number that you posted is not an engine serial number.
That is a head casting number.

Currently rebuilding RANGER ... 1962 CJ-3B / Hurricane F-134 / T90C / 5.38 / Powr Lok Front and Rear / Deluxe Koenig Half cab
St Louis Area
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