Engine

ENGINE ID AND VIN DERIVATIVE LOCATION
The eighth digit of the vehicle identification number (VIN) is the engine code letter, which identifies the engine as a 5.7L V8 (VIN eighth digit: G) (RPO code LS1).Stick-on labels attached to the engine, laser etching, or stampings in the engine block indicate the engine unit number/build date code.The engine ID number will be located rear of LH cylinder head or the front part of LH oil pan rail.







The engine is also stamped with a VIN derivative number which will be located in either the primary or secondary location, as shown. For additional information, refer to VIN Derivative. VIN Derivative