2003 pt cruiserApril 14, 2015where the cylinder head casting number Share Tweet Pinterest Keywords:PT Cruiser 1 thought on “2003 pt cruiser” Freeautomechanic April 14, 2015 at 1:16 pm This number is cast into the head in the form of raised numbers. It is on the rear of the head on the opposite end from the pulleys. There is also a number on the back side of the magnetic sensor on the rear of the intake cam. You must remove the sensor with a torx bit and turn it over to see this number. Comments are closed.