Engine installation harness for installing a Cummins ISX engine (CM570 engine electronics) into a Peterbilt 387 truck with NAMUX1 chassis electronics and Cummins CM871 engine electronics.
NOTE: This harness is only compatible with a Cummins based Peterbilt 387 NAMUX1 chassis electronics. NAMUX1 electronics are typically found on 2008-2009 year model Peterbilt 387 heavy duty class 8 truck. If you are uncertain of your exact chassis electronics please call for fitment confirmation.
1 year
