This fuel tank sending unit is designed to match the fit and function of the original unit on specified applications. Made of quality materials, it is engineered for reliable performance and durability. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet C10 Pickup: 1961, 1962, 1963, 1964, 1965, 1966] - [Chevrolet C20 Pickup: 1961, 1962, 1963, 1964, 1965, 1966] - [Chevrolet C30 Pickup: 1961, 1962, 1963, 1964, 1965, 1966] - [Chevrolet K10 Pickup: 1961, 1962, 1963, 1964, 1965, 1966] - [Chevrolet K20 Pickup: 1961, 1962, 1963, 1964, 1965, 1966] - [GMC C35/C3500 Pickup: 1966] - [GMC K1000 Pickup: 1966] - [GMC K1000: 1966] - [GMC K15/K1500 Pickup: 1966] - [GMC K25/K2500 Pickup: 1966] - [GMC K35/K3500 Pickup: 1966]