This Carburetor is a perfect replacement for 1987-1989 Suzuki Quadrunner 4WD LT4WD. It is anodized to improve its wear resistance, corrosion resistance, insulation and heat resistance. It is easy to install, just unbolt your old carburetor and bolt on this one. It is a great solution if your old carburetor is giving you problem. Please compare photos carefully with your old part, check part number and fitment information before buying item to ensure it is the right one for you.