Racor filter head

dan86 · **Posted:** Wed Apr 15, 2015 4:55 am

Can anybody tell me the size of the o ring on the bowl of the Racor filter head?
Thanks in advance.

2003 KJ Liberty 2.5 CRD

Drewd · **Joined:** Mon Feb 06, 2006 12:24 pm **Posts:** 902

I tried to take the bowl off the filter to measure the o-ring and don't have the hand strength to do so anymore due to accident and subsequent surgery on my dominant wrist.

I estimate the o-ring to be a minimum of 3 inches and not more than 3.25 inches in diameter.

KaspinCRD · **Posted:** Fri Apr 17, 2015 1:16 am

The aftermarket R25S I have uses .125" thickness and 3.25" ID o-ring. If your older em export uses the R25S filters, it should be the same.

Racor filter head

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