OE Replacements: 121423, CUP121423, 4299125, 4299125

Details: O-Ring 0.139 in C/S x 5.109 in ID 3.53 mm C/S x 129.77 mm ID Viton 75, Series # -251

Multiple Engine Applications

Direct replacement for OE part 4299125

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.