2011-2012 Duramax Fuel Feed & Return Pipe (12639100)

Original equipment fuel feed and return pipe for the LML Duramax. This assembly routes fuel between the tank and the engine, so a cracked or leaking pipe can cause fuel delivery and leak problems. Built to OE specification by ACDelco for a direct, no-modification fit.

Part Number: 12639100

• Original equipment fuel feed and return pipe assembly
• Direct OE replacement with no modifications required
• Restores correct fuel routing and seals fuel leaks
• ACDelco original equipment quality

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