Quote:
Originally Posted by 83w126
The auto parts website named after a state starting with "A" sells metric fuel line in 7mm and other sizes. If you go to the dealer they would usually make you order a whole roll. I wouldn't use 5/16 line to replace metric line either, its usually poor quality and doesn't fit right.
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I have not bought any lately but out here the chain auto parts stores sell Goodyear or Gates fuel hose.
People in the past have used the 5/16" regular fuel hose (it is rated for diesel fuel
(SAE 30R7 is the Regular Fuel Hose)
the 5/16" Fuel Injection Hose (the Goodyear hose has a blue Viton lining and the Gates version has a brown Viton lining) or Viton hose of which I have no experience with.
(Fuel Injection Hose SAE J30R9 or 30R90 SAE 30R9--)
There is only 2 issues that I think could cause the 5/16" line not to work or a combination. One would be he is using the filter with the metal nipples and from what I have seen they have a skinnier OD on the. The other would be if the Clamp being used will not tighten down on 5/16"
The Mercedes fuel line clamps are nice but they don't have as much range as some other clamps do.