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: 1973, 1974] - [Chevrolet C10: 1975, 1976, 1977, 1978, 1979] - [Chevrolet C20 Pickup: 1973, 1974] - [Chevrolet C20: 1975, 1976, 1977, 1978, 1979] - [Chevrolet C30 Pickup: 1973, 1974] - [Chevrolet C30: 1975, 1976, 1977, 1978, 1979] - [Chevrolet K10: 1975, 1976, 1977, 1978, 1979] - [Chevrolet K20: 1975, 1976, 1977, 1978, 1979] - [Chevrolet K30: 1977, 1978, 1979] - [GMC C15/C1500 Pickup: 1973, 1974] - [GMC C15: 1975, 1976, 1977, 1978] - [GMC C1500: 1979] - [GMC C25/C2500 Pickup: 1973, 1974] - [GMC C25: 1975, 1976, 1977, 1978] - [GMC C2500: 1979] - [GMC C35/C3500 Pickup: 1973, 1974] - [GMC C35: 1975, 1976, 1977, 1978] - [GMC C3500: 1979] - [GMC K15: 1975, 1976, 1977, 1978] - [GMC K1500: 1979] - [GMC K25: 1975, 1976, 1977, 1978] - [GMC K2500: 1979] - [GMC K35: 1977, 1978] - [GMC K3500: 1979]