Hummer Engine Number

If you are a proud owner of a Hummer, you may have come across the term “Hummer engine number.” This unique identifier is an essential component of your vehicle and can help you understand its specifications and maintenance needs. In this article, we will explore the Hummer engine number in-depth, including what it is, where to find it, and what it means.

What is a Hummer Engine Number?

A Hummer engine number is a unique identifier assigned to every engine in a Hummer vehicle. It is a combination of letters and numbers that provide essential information about the engine’s specifications, such as its model, production date, and manufacturing location. The engine number is crucial for maintaining accurate records of a vehicle’s history, especially during maintenance and repair work.

The engine identification number can be found out through a Hummer VIN Number search.

Location of the Hummer Engine Number

The Hummer engine number is typically located on the front of the engine block, just above the oil filter. You can locate the engine number by looking for a series of letters and numbers that are stamped onto the engine block. If you’re having trouble finding the engine number, consult your Hummer owner’s manual or contact your local Hummer dealership for assistance. It’s important to note that the engine number may be difficult to read, particularly if the engine has been exposed to dirt, oil, or other debris. In some cases, you may need to clean the area around the engine number to make it more visible.

Model H2

Model H3 (MY 2006)

Model H3 (MY 2007)

Model H3 (from MY 2008)

How to Decode Hummer Engine Number?

Decoding the Hummer engine number requires some knowledge of engine identification codes. Here is a breakdown of what each character in the Hummer engine number represents:

• The first character represents the engine plant where the engine was manufactured.
• The second character indicates the model year of the engine. For example, “V” represents 1997, “W” represents 1998, and so on.
• The third character identifies the Hummer model for which the engine was built. For example, “G” represents the H1 model, while “Y” represents the H2.
• The fourth through eighth characters represent the engine’s specifications, including its displacement, fuel type, and horsepower.

For example, let’s say the engine number is “6Y003456”. Here’s what each character represents:

• The first character “6” represents the engine plant where the engine was manufactured.
• The second character “Y” indicates that the engine was manufactured in 2000.
• The third character “0” identifies the Hummer model for which the engine was built. In this case, “0” indicates that the engine was built for the H1 model.
• The fourth through eighth characters “03456” represent the engine’s specifications, including its displacement, fuel type, and horsepower.

Breakdown of the Engine number H2 and H3 from 2008

1 = Type (S = Hummer)
2 = Model year
3 = Assembly plant (H = Mishawaka / U.S.) (see breakdown of the VIN)
4 = Last six digits of the VIN

Breakdown of the Engine number H3 from 2006/2007

1 = Assembly plant (T = Tonawanda/U.S.)
2 = Date of manufacture according to the Julian date
3 = Manufacturing series of the engine (Motor-Charge)

The Hummer engine number is an essential piece of information for any Hummer owner or enthusiast. Understanding what it represents can provide valuable insight into your engine’s history and specifications, making maintenance and repairs easier and more efficient. By following the tips outlined in this article and performing regular maintenance, you can ensure your Hummer’s engine remains in top condition for years to come.