Quote:
Originally Posted by Lowflyingbird
I do not know what works better over time for diesel. But, I do know that if you use fuel or fuel injection hose on return line for either power steering or transmission, over time the hose gets eaten by the oil and leaks. On my diesel lines when needed, I have been using power steering/transmission oil rated hose.
Just a thought.
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This is the common Fuel Hose; SAE 30R7 by GoodYear I buy at the local parts stores.
It is rated for: Leaded and unleaded gasoline,
diesel fuel, gasoline blends of ethanol (E10), E-85 and sour gas.
http://www.goodyearep.com/ProductsDetail.aspx?id=10526
The other commly sold Fuel Hose is made by Gates and has a similar rating.
This is the Fuel Injection Line SAE 30R9 that is said to be lined with Viton:
Rated for Fuel Injection Hose recommended for gasoline, ethanol, sour gas,diesel and
Biodiesel fuels.
http://www.goodyearep.com/BuLandingPage.aspx?id=17700&terms=fuel+injection+hose