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01-16 GM 6.6L Duramax Fleece GM Automatic Transmission 20-Pin Pigtail

Our replacement GM Automatic Transmission 20-Pin pigtail features 12" 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. 

Replaces discontinued GM part number 12126459 and AC Delco PT729

Fits: Allison 1000/2000, 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, 4T45E, 4T65E, 4T80E


Fleece: FPE-HAR-GM-AT-20-PT

Lame California Prop 65 Notice