OEM Reference: Replaces Cummins 3902666 / 3910824 valve cover gaskets for 5.9L 12V 6BT diesel engines (1989–1998). Fitment: For Dodge Ram 2500 / 3500 Cummins 5.9L 12V engines used from 1989–1998. Material: Made from durable rubber and steel-reinforced edges to maintain a tight seal under heat and vibration. Components Included: Set includes 6 valve cover gaskets and 6 O-rings for a complete replacement. Function: Prevents oil leakage between valve cover and cylinder head — direct-fit installation. Valve Cover Gasket Meets OEM Quality OEM Part Numbers: 3902666, 3910824 Fits For Dodge Cummins: Models Ram 2500, Ram 3500 (12V)