Fuel sending unit for 1987 GMC Sierra

[Captain J]

Originally Posted by Wwes

I mentioned this in another thread, but the only difference on the Spectra units is the left side has longer output nipples than the right. This is because the right side has short lines from the fuel selector valve. That said, it's easy enough to use either one for either side by varying the length of the rubber connection hoses.

Your absolutely right, even the regular FG05N sending unit it has longer output steel hoses. My truck have the same sending units on both sides, but they’re completely rusted out (not sure why), so I’m putting back the same sending units that truck came with when new.