If you need a radiator cap that will reduce the chance of leaks and hose ruptures on older cars this will fit my radiator. Happy with it. If your cooler uses a larger cap and has a cap on top of the cooler (rather than a remodeled bottle) this will likely fit. It doesn't match the small style that many import models use. However, be aware that 7psi lowers the boiling point of the coolant, which can be an issue if you're running above 225 degrees, which I avoid when possible. I even managed to…