OE Replacements: 121437, CUP121437, 3867471, 3867471, 3680697, 3042543

Details: O-Ring, 0.07 in C/S x 0.864 in ID 1.78 mm C/S x 21.95 mm ID, Viton 75, Dark Green Series # -020

Multiple Engine Applications

Direct replacement for OE part 3867471

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.