GHG17 DD Medium Duty Operators Manual Table 5. DD8 Left Side View 1. Water Pump 5. Air Compressor 2. Coolant Thermostat 6. Motor Control Module (MCM) 3. High Pressure Fuel Rail 4. High Pressure Fuel Pump 7. Fuel Filter Module 8. Exhaust Gas Recirculation (EGR) Valve All information subject to change without notice. 21 DDC-SVC-MAN-0192 Copyright © 2017 DETROIT DIESEL CORPORATION