View single post by redracer
 Posted: 01-09-2018 05:41 pm
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Joined: 09-10-2012
Posts: 194
There is no seal, "O" ring INSIDE the hole on the "auxiliary oil pump housing. Just the 2 for the distributor, the outer "O" ring and the inner seal.
As for your possible leaking by the sandwich between the oil filter and the main housing, it may very likely be the square cut "O" ring on the sandwich located on the opposite side from the oil filter--DELTA carries these.