The Case IH 504128307R is a genuine remanufactured fuel injector designed to meet the rigorous demands of Case IH agricultural and construction machinery. This OEM component ensures precise fuel delivery, contributing to efficient engine operation, reduced emissions, and reliable performance. As a remanufactured part, it offers a cost-effective solution while maintaining the quality and specifications of a new injector. It is a direct replacement for various Case IH models, restoring fuel system integrity.