GM Service Manual Online
For 1990-2009 cars only

Engine Identification 1.0L


Object Number: 405751  Size: SH

The engine code letter is the eight digit of the VIN, which identifies the engine.

Stick-on labels attached to the engine, laser etching, or stampings in the engine block indicate the engine unit number/build code date.

The engine ID number will be located on the lower left engine block.

Engine Identification 1.3L


Object Number: 405737  Size: SH

The engine code letter is the eight digit of the VIN, which identifies the engine.

Stick-on labels attached to the engine, laser etching, or stampings in the engine block indicate the engine unit number/build code date.

The engine ID number will be located on the lower left engine block.