Fuel fittings, adapters, lines, and other handy parts.

Adapters
These are adapters and fittings for GM Saginaw and quick connect fuel lines.
Part number Description
GM 1711798 EFI Feed and Return nut kit.  Thread sizes are 14mm x 1.5 and 16mm x 1.5
GM 15544805 3/8" double female feed line connector, connects 2 male 3/8" Saginaw ends
GM 15550219 5/16" double female return line connector, connects 2 male 5/16" Saginaw ends
GM 15694407 short piece of steel line with one Saginaw end and one quick connect end, straight
GM 15609225 short piece of steel line with one Saginaw end and one quick connect end, straight
GM 15609224 short piece of steel line with one Saginaw end and one quick connect end, U shaped
GM 15694408 short piece of steel line with one Saginaw end and one quick connect end, straight
GM 22514722 O ring -- Fuel feed line
GM 22516256 O ring -- Fuel return line

Hoses
These are hoses which connect between the tank and the lines.  There are many different versions available, and they are all model specific.
Part number Description
GM 22527471 3/8" feed hose, 1 male x 1 male Saginw connector
GM 10114709 3/8" feed hose, 1 female x 1 female Saginaw connector
GM 22528623 5/16" return hose, 1 male x 1 male Saginaw connector
GM 10114736 5/16" return hose, 1 female x 1 female Saginaw connector.

Fuel filters
Part number Description
GM 25055052 or AC GF 481 Standard EFI filter, 2 female Saginaw connections
GM 25055003 or AC GF 478 1983 Camaro w/Crossfire, hose barb on one end, 3/8 inverted flare on the other.
AC GF 626 Same as GF 481, but made of stainless steel.  1995 Chevy pickup