Yeah those lines are usually the problem. I ordered mine from Fastlane and I think I paid less then $20 for a length. I am sure any quality hydrolic hose will work.

Since the lines will be off draining most of the system you should change the filter and PS fluid while you are at it.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200