Transmission Radiator Cooler Adapter Fitting 6.6l Duramax Allison Transmission Lines
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)
For use on 6.6l Duramax & 8.1l Applications
Product Information
Product Information
Shipping & Returns
Shipping & Returns


Transmission Radiator Cooler Adapter Fitting 6.6l Duramax Allison Transmission Lines
Transmission Radiator Cooler Adapter Fitting 6.6l Duramax Allison Transmission Lines
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)
For use on 6.6l Duramax & 8.1l Applications
Original: $15.91
-70%$15.91
$4.77Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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)
For use on 6.6l Duramax & 8.1l Applications




















