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 more information on the VIN derivative, refer to VIN Derivative .
3.8L Engine VIN Derivative Location
The primary location of the VIN derivative location for the 3800 V6 L36 (VIN K) engine is above the starter motor on the engine block (1).
The secondary location of the VIN derivative location for the 3800 V6 L36 (VIN K) engine is below the water pump on the engine block (1).
The primary location (1) of the Engine ID for the 3800 L36 engine is center of the LH rocker arm or LH side of the engine in the oil pan rial area of the engine
3.5L V6 LX5 VIN H
The Engine ID for the 3.5L Twin Cam V6 LX5 (VIN H) engine is on the right rear side of the engine block.
The VIN derivative location for the 3.5L Twin Cam V6 LX5 (VIN H) engine is on the front end of the LH rocker cover.
