Engine ID and VIN Derivative Location
Engine ID and VIN Derivative Location
4.3L Engine
1 - Engine Identification Number
2 - Alternative Engine Identification Number
Located on the VIN plate, the VIN provides detailed engine identification and code information by liter and by the engine code letter.
6.5L Diesel Engine
The engine unit number or date code is either laser etched or stamped into the engine block.
5.0L and 5.7L Engines
All engines are stamped with an eight digit engine identification number.
7.4L Engine
Engine ID
1 - Source Code
2 - Month of Build
3 - Date of Build
4 - Broadcast Code