1968-1969 Oldsmobile Cutlass, 442 Hardtop 1/4" Return Fuel Line 2pc This line runs from the fuel pump to the tank sending unit. This is a factory 2 piece line and has a rubber connection near the front. These are made in tin coated steel tubing, the same material as the originals. They are the correct preformed shape, out of the correct thickness tube, with the same coating as the originals. .