OE Replacements: 121421, CUP121421, 3026421, 6V4315, 145614, 3021421, 3026421

Details: O-Ring 0.21 in C/S x 3.725 in ID 5.33 mm C/S x 94.62 mm ID Viton 75, Series # -343

Multiple Engine Applications

Direct replacement for OE part 3026421

Durable viton 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.