DD Heavy Duty Platform Operators Manual 1. Water pump 2. Oil Coolant Module 3. Oil Filter 4. Air Intake Manifold 5. Fuel Rail 6. Hydrocarbon Doser Block 7. High Pressure Fuel Pump 8. Single Cyl. Air Compressor 9. Power Steering Pump Location 10. Fuel Filter Module 11. MCM 12. Thermostat 13. Engine Serial Number Location Figure 5. DD15 AT Left Side View All information subject to change without notice. 21 DDC-SVC-MAN-0189 Copyright © 2022 DETROIT DIESEL CORPORATION