Hi, thanks in advance!

My w123 (1980 non-turbo) has a smaller diameter coolant hose right near the alternator, in the cabin heating circuit, only a foot or so long. I asked carquest if they had heater hose in that size, and the answer was no, and the recommendation was to not use fuel hose, which of course is widely available. I asked autozone, and they said they had coolant hose but sold me fuel hose, but I didn't realize it until I'd installed it.

What's my risk level here? What are the differences between the two materials?

Cheers,

Bradley

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1980 300TD

Was the hose low pressure or high pressure fuel hose? The HP stuff has stronger braiding.

It would probably hold up but I tend to see fuel hose start to crack the outer covering after a while.

I use Gates "Lock On" or Dayco brand equal. This is a low pressure ( 300 PSI ) multi use hose that is good for fuel , hydraulic ( like power steering return ) , air.

Doesn't this car use the evil servo unit? If that's the case.....there are a lot of hoses....

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If they gave you the part of the Hose that has the Makers Name and the part number you can go to the company website and look up all of the uses fore it.

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84 300D, 82 Volvo 244Gl Diesel