Ford Focus Owners Manual: Engine oil dipstick - 1.8L Duratec-HE (MI4)/2.0L Duratec-HE (MI4)

Engine oil dipstick - 1.4L Duratec-16V (Sigma)/1.6L Duratec-16V (Sigma)/1.6L Duratec-16V Ti-VCT (Sigma)

Engine oil dipstick - 2.5L Duratec-RS (VI5)/2.5L Duratec-ST (VI5)

More about Ford Focus:

Ford Focus Lower Engine Block (View 2)
  Item Part Number Description 1 6161 Piston oil control spacer (4 required) 2 6150 Piston compression upper ring (4 required) 3 6152 Piston compression lower ring (4 required) 4 6159 Piston oil control upper s ...