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SKU: FPE-HAR-GM-AT-20-PT | UPC: 670875719804
Fleece Performance GM Automatic Transmission 20-Pin Pigtail
This replacement pigtail fits Allison 1000/2000, 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, 4T45E, 4T65E and 4T80E transmissions. It features 12 inch leads labeled with pin positions and includes 20 heat-sealable butt connectors. Manufactured in-house with automated wire cutting and terminal crimping to replace discontinued GM 12126459 and AC Delco PT729.
Key Features
- Leads: 12 inch length labeled with pin positions for installation
- Connectors: Includes 20 heat-sealable butt-style connectors
- Manufacturing: Fully automated wire cutting and terminal crimping
- Replaces: GM part number 12126459 and AC Delco PT729
Specifications
| Detail | Value |
|---|---|
| Brand | Fleece Performance |
| Type | Transmission Pigtail Harness |
| Compatibility | Allison 1000/2000, 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, 4T45E, 4T65E, 4T80E |
| Country of Origin | USA |
Whats Included
- GM Automatic Transmission 20-Pin Pigtail
- 20 heat-sealable butt-style connectors
Product Notes
- Produced in-house for quality assurance
- Designed to aid quick installation
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| Various | GM | Allison 1000/2000, 4L60E-4T80E | Automatic transmissions |
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Standard retail box
Fleece Performance
Fleece Performance Engineering has grown from a small Indiana operation into one of the most respected names in high-performance diesel upgrades, with a product catalog built specifically around the Duramax and Cummins common rail diesel platforms that dominate the high-horsepower diesel community. Founded by brothers Brayden and Chase Fleece in a rural west-central Indiana pole barn, the company established itself as a technology leader in common rail injection systems within five years, developing the Cheetah turbocharger line and the TurboBrake electronic exhaust brake that have become standard references for what diesel performance engineering can achieve. Fleece operates from an 18,750-square-foot Brownsburg, Indiana facility capable of in-house design, manufacturing, assembly, and testing, placing them among the high-output diesel specialists who supply race teams and serious street performance builds. This collection covers Fleece Performance's full range of Duramax and Cummi...
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