Our replacement GM Automatic Transmission 20-Pin pigtail features 12 Inch leads that are labeled with the pin positions to aid in installation. Includes 20 heat-sealable butt-style connectors. 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.

Features:

• Easy installation and connection to the automatic transmission
• Features a 20-pin connector for comprehensive transmission control
• High-quality wiring and construction for durability and reliability
• Weather-resistant materials to withstand harsh underhood conditions
• OEM-style connector for seamless integration with the vehicle's electrical system
• Helps maintain optimal transmission performance and reliability
• Improved electrical connections for enhanced transmission function
• Simplified installation process, reducing installation time and effort
• Potential warranty coverage for added assurance
• Fits: Allison 1000/2000, 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, 4T45E, 4T65E, 4T80E
• 6 Month Limited Parts Warranty

Fitment:

• Chevrolet Silverado 2500 6.6L LB7 Duramax 2001-2004
• Chevrolet Silverado 3500 6.6L LB7 Duramax 2001-2004
• Chevrolet Silverado 2500 6.6L LB7 Duramax LLY Duramax 2004.5-2005
• Chevrolet Silverado 3500 6.6L LB7 Duramax LLY Duramax 2004.5-2005
• Chevrolet Silverado 2500 6.6L LLY/LBZ Duramax 2006
• Chevrolet Silverado 3500 6.6L LLY/LBZ Duramax 2006
• Chevrolet Silverado 2500 6.6L LLY/LBZ Duramax (classic body style) 2007
• Chevrolet Silverado 3500 6.6L LLY/LBZ Duramax (classic body style) 2007
• Chevrolet Silverado 2500 6.6L LMM Duramax (new body style) 2007.5
• Chevrolet Silverado 3500 6.6L LMM Duramax (new body style) 2007.5
• Chevrolet Silverado 2500 6.6L LMM Duramax 2009-2016
• Chevrolet Silverado 3500 6.6L LMM Duramax 2009-2016
• GMC Sierra 2500 6.6L LB7 Duramax 2001-2004
• GMC Sierra 3500 6.6L LB7 Duramax 2001-2004
• GMC Sierra 2500 6.6L LB7 Duramax LLY Duramax 2004.5-2005
• GMC Sierra 3500 6.6L LB7 Duramax LLY Duramax 2004.5-2005
• GMC Sierra 2500 6.6L LLY/LBZ Duramax 2006
• GMC Sierra 3500 6.6L LLY/LBZ Duramax 2006
• GMC Sierra 2500 6.6L LLY/LBZ Duramax (classic body style) 2007
• GMC Sierra 3500 6.6L LLY/LBZ Duramax (classic body style) 2007
• GMC Sierra 2500 6.6L LMM Duramax (new body style) 2007.5
• GMC Sierra 3500 6.6L LMM Duramax (new body style) 2007.5
• GMC Sierra 2500 6.6L LMM Duramax 2009-2016
• GMC Sierra 3500 6.6L LMM Duramax 2009-2016

Note:

• Replaces discontinued GM part number 12126459 and AC Delco PT729