OE Replacements: 121228, CUP121228, 3049221, 3049221

Details: O-Ring 0.139 in C/S x 1.109 in ID 3.53 mm C/S x 28.17 mm ID Buna N 75, Peroxide Cured / Black Series # -216

Multiple Engine Applications

Direct replacement for OE part 3049221

Durable buna n 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.