Quick view IDXDP Duramax 6.6L LGH Fuel Contamination Kit 11-16 GM 6.6L Duramax LGH XD518 Compare $3,799.95 The XDP Duramax 6.6L LGH Fuel Contamination Kit XD518 includes the items you need to repair the fuel system in your 2011-2016 GM Duramax 6.6L LGH after a CP4 injection pump failure. The factory CP4 pump is a known weak point and often fails in a... Add to Cart Add to Cart
Quick view IDXDP Duramax 6.6L LML Fuel Contamination Kit 11-16 GM 6.6L Duramax LML XD517 Compare $3,399.95 The XDP Duramax 6.6L LML Fuel Contamination Kit XD517 is an all-inclusive kit that provides everything you need to get your 2011-2016 GM 6.6L Duramax LML back on the road. When the CP4 injection pump fails in your truck, it often sends contaminants... Add to Cart Add to Cart