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 APPLICATION NOTES 2011-2016 6.6L Duramax Fuel Rail Pressure Harness - This harness routes underneath the turbocharger and connects to the main chassis harness.
Orders totaling $99.99 or more qualify for free shipping, unless otherwise stated on the product page.
Orders below $99.99 ship for a flat rate of $20.
Shipping rates apply to standard shipping only and may vary for oversized, heavy, or special order items when applicable.
Click here to learn more.
MAK OUT YOUR PERFORMANCE & STYLING
Get Support
Whether you need install guidance, order support, or help diagnosing an unexpected sound, our team is ready. We work on these cars ourselves, which means real answers and useful support every time.
