How do you decode a Chevy engine number?

Read the next four digits in the code, which will be all numbers. This refers to the date that the engine was cast. The first two numbers are the month, and the last two are the day. For example, if the numbers read 0107, then the engine was cast on January 7.

How do you read a engine serial number?

Your serial number is located on your engine plate, often located on the left-hand side of the engine. Typically the first letters and numbers will identify the engine, for example, DJ51279, to find all the parts we have online for your engine.

How do I tell what year my Chevy engine is?

If a manual is unavailable, locate the block casting number beside the block date number. Match your block’s casting number to an online list of Chevy block casting numbers, which will indicate the years during which your engine was manufactured.

How do you decode a big block Chevy engine number?

The prefix code is identified by the first few letters. The plant where the Chevy big block engine was manufactured is the first character. The following numbers are the day, followed by the month. For example, a prefix code of T1218: “T” stands for town of Tonawanda, 1218 stands for Dec.

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Where is the serial number on an engine block?

The engine serial number is on a metal plate attached to the block, typically found on the left-hand side of the engine. The position of the engine plate varies across different engine series.

What does an engine serial number tell you?

Engine serial numbers are specific numbers assigned to every individual engine. No engine that exists has the same serial number as another engine. If you know your engine serial number, you can find out the exact parts your engine was built with when it was first made.

Where is the serial number on a small block Chevy?

The identification numbers on a Chevy engine with a small block V-8 are adjacent to the cylinder heads on the passenger’s side, close to the front of the engine block. Look closely because the alternator blocks the identification number.

How do you find out what year a motor is?

The engine will have a alphanumeric casting number on the passenger side (right side) of the block, under the heads. The first letter of the code identifies the decade (C=1960s, D=1970s, E=1980s), the second digit in the code identifies the specific year. A 1973 motor for instance would be D3, as an example.

Where is the VIN number on a Chevy engine?

The vehicle identification number (VIN) is located on the left side rear of the engine block (1) and is typically a nine digit number stamped or laser-etched onto the engine at the vehicle assembly plant.

What is my engine number?

Find it in the lower corner of your windshield on the driver’s side. Your VIN number is your vehicle identification number and you can find your engine size by VIN number. In the series of numbers and letters, the tenth from the left denotes the model year and the eighth is the engine codes.

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What do the numbers on an engine block mean?

Casting Numbers

The simplest way to identify an engine block is to go by the casting number. These alphanumeric codes generally identify a particular block’s series number, displacement range, casting location and date of manufacture.