6.9 IDI Return Line Kit

Classic Diesel Designs Verified independent store

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This is a genuine Delphi return line kit made in the USA and upgraded with our own viton o-rings, designed and tested to perform the best with the current quality dry diesel fuel a s well as WMO, WVO, and other kinds of alternate fuels used in IDIs. This kit is the early design, built for 1983-1986 6.9 IDI, and early 7.3 IDI. (green clamps) Show more