Rail Pressure Sensor Harness

Features:

• Fits 2006–2010 6.6L Duramax trucks
• Direct replacement for GM part 97366636
• Restores proper rail pressure sensor function
• Plug-and-play installation with OEM connectors
• Built using fully automated manufacturing process
• Crimped and cut to precise factory specifications
• Helps resolve rail pressure sensor wiring issues
• Manufactured in-house by Fleece Performance
• Backed by a 6-month limited parts warranty

Get Your Duramax Back On The Road Fast

If your 2006–2010 Duramax is throwing rail pressure sensor codes or struggling to run right, the Fleece Rail Pressure Sensor Harness is a simple fix that delivers reliable results. This direct replacement harness is designed to take the guesswork out of wiring issues and restore proper sensor communication with zero splicing or modification needed. Built to match OEM part number 97366636, it features factory-style connectors and an exact-fit layout for quick plug-and-play installation. Whether you're chasing down electrical gremlins or just want to avoid a costly dealership visit, this harness helps you get back on the road with confidence. Fleece builds each harness in-house using automated wire cutting and terminal crimping, ensuring consistency and high quality from end to end. It’s an easy solution to a frustrating issue that can affect performance, drivability, and even fuel economy. Backed by a 6-month warranty, it’s a small upgrade with a big impact.

Precision Made In House To OEM Specifications

The Fleece FPE-HAR-DMAX-RP-0610 Rail Pressure Sensor Harness is engineered as a direct replacement for GM part number 97366636, providing a clean and accurate solution for common rail pressure sensor failures. Designed for 2006–2010 GM Silverado and Sierra 2500HD and 3500HD models with the 6.6L Duramax engine, this harness is built using a fully automated manufacturing process. Wire lengths, terminal crimps, and connector placements are all precisely matched to OEM specs, eliminating guesswork and ensuring reliable long-term operation. This harness is ideal for resolving issues caused by worn, damaged, or corroded wiring near the fuel rail pressure sensor. Installation is straightforward thanks to factory-style connectors and a layout that fits just like the original. Unlike universal harnesses or cut-and-splice repairs, this Fleece solution maintains the factory look and function while improving overall dependability. Each harness is backed by a limited 6-month parts warranty for added peace of mind.

Fitment: 2006, 2007, 2008, 2009, 2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax

Notes:

• Designed for 2006–2010 GM Silverado and Sierra 2500HD/3500HD with 6.6L Duramax
• Direct replacement for GM part number 97366636
• Plug-and-play design for easy installation
• Manufactured in-house by Fleece Performance
• Built using fully automated wire cutting and terminal crimping
• Restores proper function to the rail pressure sensor
• Helps resolve drivability and performance issues
• Ideal for trucks with damaged or worn sensor wiring
• Includes a 6-month limited parts warranty