Wix Makes great products! , but after cutting up a fram, AcDelco and wix I'd stear clear of the wix duramax fuel filter. I've also heard from other vendors who sell and install them they’ve had issues with the WIF plug that goes into the bottom of the filter coming loose because the threads are so sloppy. I'd stick with the AcDelco http://www.merchant-***************/oemreplacmentfuelfilter.aspx
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