When you remove the return trans fluid cooler line for a complete power drain you might be able to use the two ring seals.. BUT
To to prevent potential fluid weeping on the end of this pipe you might want to replace them if you end of removing the pipe in your procedure.
722.9 Transmission Oil Cooler Line to Transmission Housing Seals x 2
$8.40
SKU:
TRS-722.9COOLERSEALS