?ATTENTION?- Please enter your vehicle model in the "Amazon confirmed fit" plugin at the top before purchasing the fuel injectors. It will guide you to purchase the correct fuel injectors more conveniently. ?FITMENT?- Compatible with Chevrolet (V8 7.4L Gas): C2500 1996-2000, C2500 Suburban 1996-1999, C3500 / C3500HD 1996-2000, Express 3500 1996-2000, K2500 1996-2000, K2500 Suburban 1996-1999, K3500 1996-2000, P30 1996-1999. Compatible with GMC (V8 7.4L Gas): C2500 1996-2000, C2500 Suburban 1996-1999, C3500 1996-2000, C3500HD 1996-2000, K2500 / K3500 1996-2000, K2500 Suburban 1996-1999, P3500 1996-1999, Savana 3500 1996-2000. ?OEM NUMBERS?- FJ241, FJ10058, 19244615, 17109596, 17113221. ?FUEL ECONOMY?- The design of automobile fuel injectors can accurately control the amount of fuel injection, thereby optimizing fuel economy and helping you save fuel costs ?DURABILITY?- Our automotive fuel injectors are precision manufactured and subject to strict quality control, providing excellent durability and ensuring long-term and stable use ?REGULAR CLEANING FUEL INJECTORS?- Generally speaking, if the car is in good condition and the fuel quality is good, it can be done every 40,000-60,000 kilometers. Even if the fuel injection nozzle is slightly clogged, you don't need to be too nervous, because the impurities can be sprayed and dissolved when accelerating at a high gear. It is recommended that car owners should often run at high speeds when driving daily to reduce the possibility of carbon deposits ?BUY WITH CONFIDENCE?- SeyPon has a professional after-sales service team, if you have any questions, please feel free to reach out to us, we will reply to you within 8 hours and offer the solve way for you.