Engine Installation Harness (Engine to Cab) for Cummins X15 or X12 engines with CM2350 or CM2450 electronics in Peterbilt 567 and 579 trucks equipped with NAMUX4 chassis electronics.
This direct-fit harness enables seamless integration of a Cummins CM2350 or CM2450 engine into a Peterbilt 567 or 579 with NAMUX4 chassis electronics for glider kit builds or engine swaps. Includes an emission connector breakout pinout sheet to assist with matching varied chassis emission harness connectors.
Kit Includes:
- (1) Engine to Cab Harness
- (1) Emission Connector Pinout Sheet
Compatibility:
- Peterbilt 567 and 579 trucks with NAMUX4 chassis electronics
- Cummins X15 & X12 engines with CM2350 or CM2450 electronics
Important Notes:
- This harness is only compatible with Peterbilt NAMUX4 chassis electronics using 250K baud rate dash systems.
- Peterbilt uses varied emission harness connectors — use the included pinout sheet for proper matching.
- If you are not certain of your chassis electronics or baud rate, contact Kustom Truck for verification.
- Provide the last 6 digits of your chassis VIN and the engine serial number when ordering.
Key Specifications:
- Cummins X15 or X12 CM2350/CM2450 to Peterbilt NAMUX4 chassis electronics interface
- Suitable for glider kit builds and engine swaps in class 8 Peterbilt trucks
1 year
