I am trying to find out what size fuel line i need to replace my existing rubber lines. is it 3/8 or 1/2 fuel not gas lines. thanks

 

3/8" feed, 5/16" return.
Use nothing but diesel rated hose, don't let the autoparts guy tell you it doesn't matter, it does.

 

thank you again bill

 

I just bought some from www.fisheriessupply.com Part #125972 and #127167.

Its Trident barrier A1 marine fuel hose that says it "Exceeds ABYC H-24 & H-33,SAEJ1527, ISO 7840 & USCG Type A1"

Seemed like a pretty good per foot price from what I had seen in my looking.

 

thanks frostytj i will look into this site.