Dorman 594-318 Harmonic Balancer Direct replacement to ensure proper fit Feature a stress-resistant rubber bond that withstands the damaging effects of heat, salt, ozone and general wear and tear The ductile steel construction allows for improved tensile and impact strength, safeguarding the engine and maintaining fuel efficiency year after year Ease of installation with Dormans harmonic balancer puller (594-999) The OE part number is 1S7Z6312BA, 7U7Z6312A