?OEM Part Number?594-312, 594312, 594 312, 12563265, 12563282, 24505177, 25534912 ?Fitment?Compatible with Buick Allure 2005-2009 V6 3.8L, LaCrosse 2005-2009 V6 3.8L, LeSabre 2000-2005 V6 3.8L, Lucerne 2006-2008 V6 3.8L, Park Avenue 2000-2005 V6 3.8L (VIN: K); Compatible with Pontiac Bonneville 2000-2003 V6 3.8L (VIN: K), Bonneville 2004-2005 V6 3.8L, Grand Prix 2004-2008 V6 3.8L (VIN: 2) ?Strict Quality Control?Harmonic Balancer manufactured in TS16949 certified facilities, undergone material validation and functional testing to ensure its performance. ?Better Performance?Harmonic balancer has a rubber vibration damper bonded between ductile steel components, it has premium performance in reducing engine vibration and improving its smoothness. ?Warranty?This harmonic balancer provides a 1-year replacement or 50000km promise.If you have any problems with the AULINK product, please feel free to contact us via Amazon message.