1. Water Pump
2. Oil Coolant Module
3. Oil Filter
4. High Pressure Fuel Rail
5. Air Intake Manifold
6. Hydrocarbon Fuel Doser Block
7. High Pressure Fuel Pump
8. Air Compressor
9. Fuel Filter Module
10. Motor Control Module (MCM)
11. Coolant Thermostat
12. Engine Serial Number Location
Figure 3. DD15 Left Side View
1. Crankcase Breather
2. Turbocharger
3. Fuel Doser Injector Valve
4. Exhaust Gas Recirculation (EGR)
Valve Actuator
5. EGR Cooler
6. Exhaust Manifold
Figure 4. DD15 Right Side View
Engine Model and Serial Number Designation
The section covers engine model number, serial number and the locations of this
information on the engine.
Engine Model and Serial Number
The fourteen-digit engine model and manufacturing serial number is etched on a
pad located on the left front of the engine cylinder block, above the date and time
of manufacture. Using 472912S0608850 as an example:
• 472 = engine type (DD15)
• 912 = model
• S = assembly plant (Detroit™)
• 0608850 = serial number
Engine Model Breakdown
Gen 5 DD Platform Operators Manual
All information subject to change without notice. 19
DDC-SVC-MAN-0217 Copyright © 2020 DETROIT DIESEL CORPORATION