FJ503 Spider Injectors 4.3 Vortec: 19210688, 12568332, 88894353; Fuel Injectors Motor : 17113273; Replace: FJ503, FJ10565, FJ10565-11B1, BWD63885, 4G1887, 63885,217-3028, 2173028, 25331863, 240408,217-3252, 2173252, 2173348, 217-3348, 2204510881, 89060439, 833-22102-6, 800-1512N, 17113295, 17114164, 17113673,17091628, 17115379, 322-04819, 16-9706,169706