Engine Identification 1. Exhaust Gas Recirculation (EGR) Valve / Actuator 2. Exhaust Gas Recirculation (EGR) Cooler 3. Turbocharger 4. Fuel Doser Valve 5. Crankcase Breather Figure 6. DD15 AT Right Side View DD16 Engine Components NOTE: Engines built prior to 2015 may have a coolant filter and a fuel filter module with three filters. For a general view of the Detroit™ DD16 engines and major components, see the following: 22 All information subject to change without notice. Copyright © 2022 DETROIT DIESEL CORPORATION DDC-SVC-MAN-0189