
Key Features & Specs:
Fitment:
Restore the fuel rail pressure circuit on your 2011-2016 6.6L LML Duramax with the Fleece Performance Fuel Rail Pressure Harness. This direct-replacement harness routes beneath the turbocharger and connects to the main chassis harness, providing a reliable repair for damaged or failed factory wiring. Manufactured in-house using automated wire cutting and terminal crimping, it replaces discontinued GM fuel rail pressure harness part numbers 12647115 and 12638158.