Fuel Return Pipe – GM (12639101)

Fuel Return Pipe carries fluid along a routing shaped for the chassis it was built for. A line that is close but not exact chafes against something and fails at the wear point rather than at a fitting.

Replace the Fuel Return Pipe when you find a weep at a crimp, a soft spot under a clamp, or a rub mark against a bracket. Fit new clips with the line: an unsupported line fails again at the same place.

Ordering reference for the Fuel Return Pipe is part number 12639101, categorised under Fuel Rails & Lines. Match that number against the component you are removing before you order.

Genuine GM supplied for this Fuel Return Pipe, with the engineering number unchanged from the factory reference stamped on the original.