Somebody had done a double clamp "repair" job on my SD's oil cooler lines when I got it. The car leaked a ton of oil from these lines. I replaced the lines with some from fastlane and they work great. You could also take the old hoses to a hydraulic shop and have them crimp on new hose.

__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine