Accessory Drive for DETROIT DIESEL 12.7L to match OE# DDE-R23523996, 23523996,1 X for Detroit for Diesel Series Coolant Level Sensor P/N 650648 23522855 23526907,Used Detroit Diesel Optimized Idle Control Unit - P/N 57C-02926,R23523998 Genuine Detroit Diesel Accessory Drive Assembly S60 14L Ddec – Truck To Trailer,Haldex Height Control Valve with Dump - 90555263 - Dayton Air – Dayton Air Suspension