Fuel Injector Cup Set (Set of 8) - 2001-2004 Chevy/GMC 6.6L LB7 Duramax

Stop LB7 Injector Cup Leaks for Good.Leaking injector cups are one of the LB7's most notorious weak points — fuel in coolant, coolant loss, and rough running. This complete set of 8 precision-machined injector cups restores a factory-tight seal on all cylinders and is the smart companion to any LB7 injector replacement job. Set of 8 — services the entire engine in one shot Precision-machined for a leak-free injector-to-cup seal Replace them while you're in there: essential during LB7 injector jobs Direct fit for 2001-2004 Chevrolet/GMC 6.6L LB7 Duramax — replaces GM 97188463 Pairs perfectly with our LB7 injector return banjo bolt set (Part# FB667).