Earlier this month I made an attempt to purchase a new lower oil cooler line (Engine lower to oil cooler) for my 88 750 Paso from my local Ducati Dealer. This line is no longer available from Ducati. Below is the information that I received from the Ducati HelpDesk:
There is no general part number converting list; however, as looked up individually, the updated part number for the oil line you are looking for is 037093143. Unfortunately, that part, as with many parts for pre-1990’s Ducati’s, is obsolete and no longer available from Italy.
I feel that both my local dealer and Ducati were as helpful as possible with this problem, but obviously unless a dealer or a belt drive specialist like Gowanloch have the stock line on hand, it will be difficult to find one.
What I decided to do was replace all of the oil cooler lines on my bike with braided stainless steel. I purchased my lines from a well known Automotive Speed shop in Ohio named Summit Racing. It took me the better part of an afternoon to remove all of the old lines, cut and then refit the new lines. They look pretty nice and I should not have bother with them for another 18 years.
If you haven't inspected these lines lately it may be worth your trouble as the one in question was badly chaffed and probably would have failed, with obvious catastrophic consequences. Anyway I kept the Summit part numbers lines, clamps and lengths that I purchased. If anyone is interested I can supply the information so that you can replace yours also. All lines and clamps cost less than $100.00. The original Ducati line was $53.00 for the one part (out of four) and of course isn't available. It is difficult to take a good picture of the end result as the body work has to me mounted to hold the oil coolers in place. If I can get a good shot I'll take a picture and post it.
Doug