What does NAPA 703-1699 radiator cap fit?

The NAPA 703-1699 radiator cap is designed to fit a variety of vehicles, primarily those from the General Motors (GM) lineup. It typically fits models from the late 1970s to early 2000s, including certain Chevrolet, Pontiac, and Oldsmobile vehicles. To ensure compatibility, it's essential to verify the specific make and model of your vehicle or consult the NAPA catalog for detailed fitment information.