Unless you have some made up at a hydraulic hose place, I think the only place to get the genuine ones is from a dealer. Here is a list of parts required and the dealer prices as of several years ago. They may be different now.
Parts List to convert to later style Transmission Cooler Lines.
Quantity Part Number Description Each Price
2 CH52028764AA Trans Fitting 23. 80 47. 60
2 CH00118752 Eng. Cooler Fitting 3. 01 6. 02
1 CH05011244AA Tube, Out, W/temp port 91. 85 91. 85
1 CH04798875AB Hose, Aux Cooler 70. 98 70. 98
1 CH04798876AB Hose, Aux Cooler 77. 66 77. 66
1 CH52028673 Tube, Return to Trans 22. 13 22. 13
1 CH52028674 Tube, Eng. cooler to Aux 28. 39 28. 39
Total 344. 63
When you see these parts it will be obvious where they fit.