Transmission Harness Installation Kit for Allison Transmissions with GEN 4 electronics in Peterbilt trucks with NAMUX2 or NAMUX3 chassis electronics.
This direct-fit kit enables the replacement of a manual transmission with an Allison automated transmission using GEN 4 electronics. It includes all essential electrical interface components for seamless integration with Peterbilt NAMUX2 or NAMUX3 chassis electronics.
Kit Includes:
- (1) Dash Interface Harness
- (1) Shift Tower Harness
- (1) Transmission to Cab Harness
- (1) Power Harness
- (1) Battery - Interconnect
- (1) Battery + Interconnect
Compatibility:
- Peterbilt trucks with NAMUX2 chassis electronics (typically 2008–2010)
- Peterbilt trucks with NAMUX3 chassis electronics (2011 and newer)
- Peterbilt class 8 models including 389, 388, 386, and 367
- Allison Transmissions with GEN 4 electronics
Important Notes:
- This kit is only compatible with Peterbilt NAMUX2 and NAMUX3 chassis electronics.
- If you are not certain of your chassis electronics, contact Kustom Truck for verification.
Key Specifications:
- Complete harness set for manual-to-automated Allison GEN 4 transmission swaps
- Suitable for Peterbilt class 8 trucks with NAMUX2/NAMUX3 electronics
