Fuel Feed Line Pipe for AC Delco GM Genuine Ignition Original Equipment 12663577. 1 Fuel Feed Pipe with Bolts is a direct replacement for worn or failed parts, it will provide easy installation and help restore proper fuel system function to keep your vehicle performing reliably, efficiently, and safely. Kit are made of high-quality materials for a long service life. Easy to replace and reduce your maintenance costs. Manufactured to meet or exceed strict quality requirements. 3 Length: 9.04, End 1 Type: Female Threaded, End 2 Type: Beaded End. 12663577 Fuel Feed Pipe.