Engine Identification Number Code

Engine code letters are provided on all engines. The code on 2.8L engines is stamped on a vertical pad, located at the front of the engine block, below the cylinder head to the right of the water pump. On 3.0L engines, the code is stamped on a flange at left rear of engine block. On 3.8L and 4.1L engines, codes will be found on labels attached to both the right and left rocker arm covers.