OE Replacements: 121221, CUP121221, 3007713, 3679934, 148295, 187777, 3007713

Details: O-Ring 0.139 in C/S x 4.984 in ID 3.53 mm C/S x 126.59 mm ID EPDM 70, Series # -250

Multiple Engine Applications

Direct replacement for OE part 3007713

Durable EPDM 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.