Fuel Injector Harness Pigtail with Connector

Features:

• Fits 2004.5-2007 Silverado and Sierra HD
• Designed for 6.6L Duramax LLY and LBZ
• Direct replacement injector harness pigtail
• Includes connector for secure connection
• Restores proper injector electrical signal
• Helps fix damaged or brittle wiring
• Supports reliable engine performance
• Required one pigtail per injector
• Ideal for injector repair or replacement
• Built for engine bay heat conditions

Bring Your Injectors Back To Life With A Clean Reliable Connection

If your Duramax is acting up and throwing injector related issues, there is a good chance the problem is not the injector itself but the wiring feeding it. This PPE injector harness pigtail is built for 2004.5-2007 Silverado and Sierra 2500HD and 3500HD trucks, giving you a solid fix for worn or damaged connections. Over time, heat and vibration can cause factory wiring to become brittle or lose proper contact, which leads to misfires or rough running. Additionally, replacing the pigtail is often a much simpler and more cost effective solution than replacing an injector. This connector restores a clean and consistent electrical signal so your engine can run the way it should. It is a straightforward repair that can make a noticeable difference the moment you fire the truck back up. If you are already working on injectors or chasing electrical issues, this is one of those parts that just makes sense to replace.

Precision Built Connector Designed For LLY And LBZ Injector Systems

The PPE 113158200 fuel injector harness pigtail is engineered specifically for 6.6L Duramax LLY and LBZ engines used in 2004.5-2007 GM HD trucks. It provides a direct replacement for the factory injector connector, ensuring proper fitment and secure engagement with the injector terminals. Additionally, maintaining a strong electrical connection is critical for accurate injector timing and fuel delivery. This pigtail is designed to withstand the heat and vibration found in the engine bay, helping prevent signal loss or intermittent faults. Each injector requires its own pigtail, which allows for targeted repairs instead of replacing the entire harness. What’s more, installing a new connector helps eliminate common issues caused by corrosion or worn contacts. For anyone diagnosing injector performance problems, this component plays a key role in restoring proper system operation.

Fitment: 2004, 2005, 2006, 2007 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LLY/LBZ

Notes:

• Fits 2004.5-2007 GM 6.6L Duramax only
• Designed for LLY and LBZ engines
• For Silverado and Sierra 2500HD/3500HD
• One pigtail required per injector
• Sold as single connector unit
• Direct replacement style connector
• Verify injector wiring condition before purchase
• Check number of pigtails needed
• Ideal for repairing damaged injector wiring
• Confirm engine code before ordering