I need to replace the short section of hose (correct ID (?) and fuel resistance) that hooks up to the FPR ? Mine is fatigued and showing exterior cracking but hasn't gone completely south yet. I don't dare remove it until I have a replacement for it. You can still find the original GM part but they're more than $50 delivered. Has anyone replaced this with aftermarket hose with good long-term results ? Thank you.

That should be standard issue vacuum hose. $50 replacement seems unnecessary. Just don't break the tree getting it off

Agree, use bulk hose. It will work just as well and cost you $48.00 less. To avoid breaking the nipples when disconnecting, you might want to carefully cut the old hose (lengthwise) so it will come off easily. While you're there you could clock the FPR a little counter-clockwise to make less bends in the new hose.

Since we're here: Has your FPR been replaced recently? If it'* old, it'* probably a good idea to replace. Some of these let gasoline through to the vacuum side then bad things happen.

Guys are right....even though it'* attached to a fuel pressure regulator, all it carries is vacuum, not fuel.....just regular vac line...

And if you are having issues with that piece, it would be good to look through all of the vacuum lines to make sure there are none others that need replacement.

Thanks to all. I had read that when the FPR fails the line can accumulate a little gas and wasn't sure whether standard vacuum hose would be ok. Then of course one wonders why these vintage parts sellers would demand such a high price. I thought there was something special about its composition. Good to know, appreciate it.

Gas should never be in that line. If it is, the fuel pressure regulator should be immediately replaced, because it'* dumping unmetered fuel straight in to the air path.

Just clarifying ��

It'* probably stupid expensive because it'* stupid rare because it'* a silly part anyway specific only to the assembly line.

. . . which could ignite in the intake tract (where it isn't supposed to) then burn the car to the ground.