This remanufactured Cummins Fuel injector works with a 2003 or 2004 Dodge Ram 2500 or 3500. 12 MONTH UNLIMITED MILEAGE WARRANTY. There is an additional core charge of $170. You purchase your fuel injectors from us and pay the core charge up front. We allow you 30 days to send your core injectors back to us. MUST ADD ACE PRODUCT CODE# LD9FI505CCOR to the order.