OE Replacements: 121277, CUP121277, 3820791, 145564, 3820791, 3K0715

Details: O-Ring 0.103 in C/S x 3.987 in ID 2.62 mm C/S x 101.27 mm ID HNBR 75, Series # -155

Multiple Engine Applications

Direct replacement for OE part 3820791

Durable HNBR construction

Quality You Can Trust – PAI has established themselves as the leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards

DETAIL – HDKits O-rings are carefully designed and feature unparalleled low tolerances. O-ring specifications are measured in a 3D environment and tested to ensure the 100% functionality.