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Discussion Starter · #1 · (Edited)
I had a problem finding fittings to connect aluminum radiator that was metric to NPT. The radiator was M12 1.25 and the transmission oil cooling lines were NPT. They have the fittings I needed. They have a large variety of fittings of all types and adapters from one type to another type. I searched for over one week to find fittings or anything that would work. Thank You


I received the stainless steel fittings 12M1.25 Metric to 1/4 inch NPT today. Tried it on the aluminum radiator and transmission oll cooling lines. Nice tight fit. It works great will be putting radiator in C4 corvette. These fittings were extremely hard to find. If you need fittings/adapters check out They were great to work with and great communication.

Thank You
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