Freeze Plug Adapter

At Pit Stop USA, we have a great selection of Freeze Plug Adapter Fittings for your automotive plumbing needs. From AN and NPT fittings to fuel line and hose fittings, we offer a wide range of products to help you assemble a custom plumbing system for your competition vehicle or keep your classic car period-accurate. Our selection also includes adapters and reducers to make it easy to switch between fittings. With over 25 years of experience, we're proud to offer the most complete line of adapter fittings for aviation fluid transfer technology in the automotive performance market. You can trust us to meet all of your aviation fluid transfer technology needs and experience top-notch performance today!

Freeze Plug Adapters are water outlet fittings that are compact and lightweight. They have a fitting for your radiator hose and are available in different configurations for additional water lines. The base has an O-Ring for sealing to your intake manifold. Replace freeze plugs in your engine block with these adapters and you can change the flow of water for better cooling.