-6AN Transmission Cooler Fittings – ’97 and Later 4L80E p/n 641390

Transmission fittings are designed to replace OEM adapters in ’97 and later 4L80E transmissions. These will allow you to use -6AN hoses and fittings for your trans cooler lines. Note: These will not work on the early transmissions that have the cooler fittings arranged vertically and close together. The later transmissions have the fittings in line horizontally with one towards the front of the case and the other towards the rear.