Engine Installation Harness (Engine to Cab) for Cummins engines with CM2350 or CM2450 electronics in 2006–2007 Peterbilt 387 trucks equipped with NAMUX1 chassis electronics and Cummins ISX CM870 engine electronics.
This direct-fit harness is made for the chassis-specific electronics found on NAMUX1 Peterbilt trucks. It enables integration of the Cummins CM2350/CM2450 engine with Cummins ISX CM870-based NAMUX1 chassis electronics and includes a pinout sheet for emission connector breakouts.
Kit Includes:
- (1) Engine to Cab Harness
- (1) Pinout Sheet for Emission Connector Breakouts
Compatibility:
- Peterbilt 387 (2006–2007 models)
- NAMUX1 chassis electronics with Cummins ISX CM870 base
- Cummins CM2350 or CM2450 engines
Important Notes:
- This harness is only compatible with Peterbilt 387 trucks featuring Cummins-based NAMUX1 chassis electronics.
- Emission breakout connectors may require adaptation due to factory connector variations.
- Provide the last 6 digits of your chassis VIN and the Cummins engine serial number when ordering.
- Confirm exact chassis electronics compatibility with Kustom Truck before ordering.
Key Specifications:
- Engine to Cab harness for Cummins CM2350 or CM2450
- Suitable for engine swaps and conversions in class 8 Peterbilt trucks
