When building your own transmission cooler lines for your 6.6l Duramax / Allison equipped truck these fittings are a necessity.
Fittings sold as a pair
Flare side is -10 JIC / AN
These adapters fit the following locations: 2001-2016: Radiator Ports (2) - Note some radiators require M22 adapters. Please see our other listings. 2003-2016 Transmissions Ports (2) - Note 2001-2002 used smaller fittings. Please see our other listings. 2001-2016 Transmission Cooler Ports (2)
