This engine cooling fan clutch is a genuine Hayden product, designed for direct replacement in LF240 KG2786 GC550 FFC5786T FC2786 engines. The clutch has a diameter of 6.45 inches, a length of 7.25 inches, and a height of 5.25 inches, with a weight of 3.0000 pounds. It is compatible with various interchange part numbers, including Everco A71312, ACDelco 1540111, ACDelco 154671, ACDelco 154672, ACDelco 154694, ACDelco 154931, ACDelco 154712, Autopart International 7136973, ACDelco 154632, ACDelco 154930, Fenco FFC5786T, Global Parts Distributors LLC 2911334, ACDel