Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet S10: 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993] - [GMC S15: 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990] - [GMC Sonoma: 1991, 1992, 1993] - [GMC Syclone: 1991]