OE Replacements: 321509, CAP321509, 8M4987, 8M4987, 8M-4987

Details: O-Ring | 0.139in C/S x 1.296in I.D. | 3.53mm C/S x 32.92mm I.D. | Silicone 70 |AS568A-219 | Caterpillar 3304 / 3306 Series Engines Application

Multiple Engine Applications

Direct replacement for OE part 8M4987

Durable silicone 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.