The original lug nut on certain vehicles has a failure-prone two-piece design that makes rust common and repair difficult. This Dorman OE FIX replacement has a one-piece, carbon steel design to prevent future problems. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet Astro: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995] - [GMC Safari: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995]