Engine Model and Serial Number Designation

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

Motor Control Module and Engine Serial Number

The Motor Control Module (MCM) part number and Engine Serial Number (ESN) are located on the MCM label (see graphic below).

Fig. 1, Motor Control Module Label

Engine Certification Label

An engine certification label is attached to the engine rocker cover. This label certifies the engine conforms to federal and state emissions regulations for its application. It gives the operating conditions under which certification was made (see graphic below).

Fig. 2, Motor Control Module Label