ACDelco 55515929 GM Original Equipment Fuel Injector Fuel Return Pipe

The ACDelco 55515929 fuel injector fuel return pipe (also called a fuel injector return line or fuel rail return pipe) is a GM Original Equipment part. It carries excess fuel away from the fuel injection system as part of the engine's fuel return circuit.

Key Features:

• GM Original Equipment part, designed, engineered and tested to General Motors standards
• Alloy steel construction
• Hose barb inlet connection
• OEM part number: 55515929 (also listed under GM Genuine Parts)
• Backed by General Motors

Using the correct OE-specification return pipe helps keep fuel flowing properly through the fuel injection system. It also helps the fuel connections seal as the manufacturer designed them.