Fleece Performance CP3 Regulator Extension Harness for 2011-2016 GM Silverado/Sierra (6.6L) FPE-HAR-CP3-EXT

Fits 2011-2016 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD (6.6L).

The Fleece Performance CP3 Regulator Extension Harness (FPE-HAR-CP3-EXT) provides a reliable, plug-and-play solution for extending the fuel pressure regulator connection on Bosch CP3 high-pressure injection pumps. This harness is an essential component for 6.6L Duramax owners performing fuel system modifications or CP3 conversions, providing the necessary length to reach the regulator without putting stress on the factory wiring loom or requiring permanent modifications to the vehicle harness.

• Seamless Integration: Features OE-style connectors for a secure, weather-sealed connection that clicks into place like a factory part.
• Zero Splicing: Fully plug-and-play design eliminates the need for cutting, soldering, or heat-shrinking, preserving the integrity of your electrical system.
• Application Specific: Engineered specifically for the Bosch CP3 regulators used in 2011-2016 LML Duramax applications.
• Durable Construction: Built with high-quality automotive-grade wiring to withstand the heat and vibration of the engine bay.
• Manufacturer Part Number: FPE-HAR-CP3-EXT

Vehicle Fitment

• 2011-2016 Chevrolet Silverado 2500 HD / 3500 HD (6.6L)
• 2011-2016 GMC Sierra 2500 HD / 3500 HD (6.6L)