This is a REMANUFACTURED Genuin e MOPAR Fuel Injector for the 5.7L hemi engine. Fuel Injector Cleaning Process 300 20-22 (fuel injector), 5.7L. CHALLENGER 20-21 (fuel injector), 5.7L. DODGE 1500 PICKUP 20-23 new style (6 lug wheel), (fuel injector), 5.7L.