Engine
The eighth character in the Vehicle Identification Number (VIN) identifies the engine. Adhesive-backed labels attached to the engine, laser etching, or stampings on the engine block indicate the engine unit number/date code. All engines are stamped with a VIN derivative. For added information on VIN derivative, refer to VIN Derivative.3.8 Liter Engine ID Number Locations
3.8 Liter Engine ID Number Locations:
The primary location of the VIN derivative for the 3.8 L engine is above the starter motor on the engine block (1).
3.8 Liter Engine Identification
3.8 Liter Engine Identification:
The location for the 3.8 Liter engine identification is below the air conditioning compressor on the front of the serpentine belt tensioner bracket (1).