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.
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Product Information
Shipping & Returns
Shipping & Returns




Pair of 22mm -10 JIC Metric Adapter Fittings for 6.6l Duramax Transmission Cooler Lines
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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.




















