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The Fleece Performance Fuel Rail Pressure Harness for LML 6.6L Duramax is built to OEM-or-better standards for diesel truck owners who want a no-compromise upgrade. Engineered, manufactured, and supported by Fleece - the diesel performance specialists.
Our Fuel Rail Pressure harness for the 2011-2016 6.6L Duramax is a direct replacement for GM Part Numbers 12647115 and 12638158. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back on the road quickly.
Replaces discontinued GM part number: 12647115 and 12638158
Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
US$40
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