Simplify your engine conversion with the Kustom Truck Engine Installation Harness, custom-designed for installing a Cummins ISX engine with CM2350 or CM2450 electronics into a Peterbilt 387 truck equipped with NAMUX1 chassis electronics and Cummins ISX CM870 engine electronics. Engineered for seamless communication between the Cummins engine and CM870-based NAMUX1 chassis electronics, this harness delivers reliable performance in heavy-duty class 8 trucks, specifically 2006–2007 Peterbilt 387 models. The kit includes a precision-engineered harness and a pinout sheet for emission connector breakouts to accommodate variations in Peterbilt’s chassis emission harness connectors. Ideal for mechanics and fleet owners performing engine conversions or upgrades, this harness ensures durable construction and precise fitment. Note: This harness is only compatible with Peterbilt 387 trucks featuring Cummins-based NAMUX1 chassis electronics. Emission breakout connectors may require adaptation due to factory-level variations. To ensure proper fitment, provide the last 6 digits of your chassis VIN and the Cummins ISX engine serial number when ordering, and contact Kustom Truck for confirmation if uncertain about your chassis electronics. Enhance your Peterbilt 387’s engine installation with this precision-engineered harness, crafted for durability and performance.
Kit Includes:
- (1) Engine to Cab Harness
- (1) Pinout Sheet for Emission Connector Breakouts
Key Features:
- Engine installation harness for Cummins ISX CM2350/CM2450 in 2006–2007 Peterbilt 387 trucks
- Compatible with Cummins ISX CM870-based NAMUX1 chassis electronics
- Includes pinout sheet to adapt to Peterbilt’s varied chassis emission breakout connectors
- Ensures seamless engine-to-chassis communication for reliable performance
- Ideal for engine conversions or upgrades in heavy-duty class 8 trucks
- Note: Emission breakout may require adaptation; only for Cummins-based NAMUX1 chassis; provide VIN and engine SN for fitment confirmation with Kustom Truck
- Engineered for precise fitment and durable performance
Enhance your Peterbilt 387’s engine installation with Kustom Truck Parts’ Engine Installation Harness, crafted for durability and precision.
