This back-up (cargo) light gasket is designed for 1967-1972 Chevrolet and GMC Pickup Trucks, including models like the C10, C20, C30, K10, K20, K30, and their GMC counterparts. Measuring 2-3/4" x 5-7/8" on the inside and 3-3/8" x 7" on the outside, this gasket ensures a precise fit for your vehicle's back-up light assembly. Crafted by Metro Moulded Parts, it is made from high-quality compounds that provide excellent chemical and UV resistance, ensuring durability and long-lasting performance. This gasket is engineered to seal out moisture and debris, protecting your back-up light from damage and maintaining its functionality. Backed by Metro's 30-year warranty, you can trust this part to deliver reliable performance for decades.