Pair of 22mm -10 JIC Metric Adapter Fittings for 6.6l Duramax Transmission Cooler Lines

When installing aftermarket transmission cooler lines on your 6.6l Duramax / Allison equipped truck some radiators may require 22mm by 5/8" -10 JIC metric adapters.

The 22mm side threads into the radiator and the standard JIC fitting side connects to our transmission cooler lines.

These may work with other aftermarket transmission cooler line kits depending on the size and fittings used.

Sold as a set of two.