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HPOP Back Cover Plate O-ring. If your 7.3 High Pressure oil pump is leaking out of the back cover, you do not need to replace the entire pump! We have the hard-to-find rear cover plate oring which you can easily install yourself to repair the problem.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.