Simplify your engine installation with the Kustom Truck Engine Installation Harness, custom-designed for installing a Cummins ISX engine with CM2250 electronics into a Peterbilt 387 truck equipped with NAMUX1 chassis electronics and Caterpillar 70 Pin ADEM4 engine electronics. Engineered for seamless communication between the Cummins engine and Caterpillar-based NAMUX1 chassis electronics, this harness delivers reliable performance in heavy-duty class 8 trucks, specifically 2008–2009 Peterbilt 387 models. Ideal for mechanics and fleet owners performing engine conversions or upgrades, this harness offers durable construction and precise fitment. Note: This harness is only compatible with Peterbilt 387 trucks featuring Caterpillar-based NAMUX1 chassis electronics, typically found in 2008–2009 models. 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
Key Features:
- Engine installation harness for Cummins ISX CM2250 in 2008–2009 Peterbilt 387 trucks
- Compatible with Caterpillar 70 Pin ADEM4-based NAMUX1 chassis electronics
- 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 Caterpillar-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.
