Where is the engine number of GMC commercial vehicle?

[FinleyAnn]

gmc commercial vehicle engine number is located in the engine compartment, near the oil filter there is a blue plug, usually a combination of 7 to 8 digits and letters. In addition to the above method, the engine number can also be viewed in the following 4 ways: The vehicle driving license has the engine number printed on it, usually located on the second last line; The motor vehicle registration certificate will state the engine number; The purchase invoice will state the engine number; The vehicle purchase tax payment certificate will state the engine number. It should be noted that the engine number is not equal to the engine model. The engine model refers to the specification and size of the engine in the manufacturer, and the engine model can be the same. The engine number refers to the production number of the engine, each engine can only use one engine number and each engine's number is different.