Fleece Automatic Transmission 20-Pin Pigtail GM (FPE-HAR-GM-AT-20-PT) for 2001-2016 Duramax LB7 / LLY / LBZ / LML
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The Fleece Performance FPE-HAR-GM-AT-20-PT is a high-quality 20-pin transmission pigtail designed for 2001–2016 GM Duramax diesel trucks (LB7, LLY, LBZ, LML). Built for durability and OEM fit, it provides a reliable fix for damaged connectors and supports transmission swaps, harness repairs, or custom builds. Its plug-and-play design ensures secure connectivity and optimal transmission performance.
Replaces discontinued GM part number 12126459 and AC Delco PT729
The Fleece Performance FPE-HAR-GM-AT-20-PT is a premium 20-pin automatic transmission pigtail designed specifically for 2001–2016 GM Duramax diesel trucks, including LB7, LLY, LBZ, and LML engine models. Engineered for durability and a factory-like fit, this pigtail serves as a reliable solution for repairing or replacing damaged transmission connectors. Made with high-quality materials, it ensures secure electrical connectivity for optimal transmission performance. Whether you’re performing a transmission swap, harness repair, or custom build, this Fleece 20-pin pigtail offers a plug-and-play installation that restores OEM functionality and helps maintain the integrity of your vehicle’s transmission system.
| Weight | 2.0 lbs |
|---|---|
| Dimensions | 12.0 × 5.0 × 5.0 in |
Fitment
- Replaces discontinued GM part number 12126459 and AC Delco PT729
- 2001 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2002 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2003 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2004 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2004.5 GM Silverado/Sierra 2500/3500 6.6L LLY Duramax
- 2005 GM Silverado/Sierra 2500/3500 6.6L LLY Duramax
- 2006 GM Silverado/Sierra 2500/3500 6.6L LLY/LBZ Duramax
- 2007 GM Silverado/Sierra 2500/3500 6.6L LLY/LBZ Duramax (classic body style)
- 2007.5 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax (new body style)
- 2008 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax
- 2009 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax
- 2010 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax
- 2011 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
- 2012 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
- 2013 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
- 2014 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
- 2015 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
- 2016 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
Features
Fits: Allison 1000/2000, 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, 4T45E, 4T65E, 4T80E
Installation
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