Santa Fe, Sonata, & XG 300
On 2.4L 4-cylinder engine, identification number is stamped into the right front side of cylinder block near top. See Fig 1. On 2.5L, 2.7L, and 3.0L V6 engines, identification number is stamped into left rear of cylinder block. See Fig 2.
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Courtesy of HYUNDAI MOTOR CO.