Upgrade your Peterbilt truck’s transmission system with the Kustom Truck Transmission Harness Installation Kit, engineered for Allison Transmissions with GEN 4 electronics in trucks equipped with NAMUX2 or NAMUX3 chassis electronics. Ideal for replacing manual transmissions with Allison automated transmissions, this kit includes all essential electrical interface components for a seamless installation. The kit comprises a Dash Interface Harness, Shift Tower Harness, Transmission to Cab Harness, Power Harness, Battery - Interconnect, and Battery + Interconnect, ensuring reliable connectivity and performance. Designed for Peterbilt heavy-duty Class 8 trucks, such as models 389, 388, 386, and 367, this kit is compatible with NAMUX2 electronics (typically 2008–2010 models) and NAMUX3 electronics (2011 and newer). Perfect for mechanics and fleet owners, it supports custom transmission swaps with precision and durability. Note: This kit is only compatible with Peterbilt NAMUX2 and NAMUX3 chassis electronics; contact Kustom Truck to confirm fitment if unsure of your 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
Key Features:
- Designed for Allison Transmissions with GEN 4 electronics in Peterbilt trucks
- Compatible with NAMUX2 (2008–2010) and NAMUX3 (2011+) chassis electronics
- Ideal for replacing manual transmissions with Allison automated transmissions
- Includes Dash Interface, Shift Tower, Transmission to Cab, and Power Harnesses
- Engineered for Peterbilt Class 8 trucks (e.g., 389, 388, 386, 367)
- High-quality construction for reliable connectivity and performance
- Not compatible with non-NAMUX2/3 chassis; confirm fitment with Kustom Truck
- Perfect for custom transmission swaps and fleet upgrades
Upgrade your Peterbilt’s transmission system with Kustom Truck Parts’ precision-engineered harness solutions, trusted for quality and compatibility.
