Engine Fuel Filler Sealing Cap for Chevrolet Silverado 3500 HD Sierra 3500 HD

Chevrolet Silverado 3500 HD. Chevrolet Silverado 2500 HD. Chevrolet Silverado 1500. A High-Quality Fuel Tank Cap Has Good Sealing Performance, Which Can Prevent Tank Steam and Oil Vapor Leakage, and Maintain The Cleanliness and Quality of The Oil.