ACDelco 19418448 - Engine Water Pump Pulley

Water pump pulley for serpentine applications on early model F-Body L98 TPI and 305ci LB9 and L03 engines 1988-92. This pulley is also used in the Chevrolet Performance Small Block Chevrolet crate engine Serpentine Front Drive Kits, 12497698, 19369258, 19369257 and 12497697. Old GM Part Number for this pulley is 10055880. 6.0" Outside Diameter Overall Height is 2.5" Pulley Depth is 2.125" (as measured from the mounting surface on the back of the pulley)