1986F150Six Posted July 19, 2019 Share Posted July 19, 2019 https://www.ebay.com/itm/Ford-E4TZ-6890-A-oil-filter-anti-drain-back-insert/264402568545?epid=2124936761&hash=item3d8f9f0561:g:bcQAAOSw3hFdMLqG Link to comment Share on other sites More sharing options...
Steve83 Posted July 19, 2019 Share Posted July 19, 2019 This is the TSB that refers to that part: https://supermotors.net/getfile/743839/thumbnail/oilfilter49.jpg But I don't think it's worth $168. Modern oil filters have that built-in. Link to comment Share on other sites More sharing options...
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