Application: Compatible with the following vehicles: Compatible for Buick Allure Super Water Pump (Lower), Smooth Pulley 2008 Compatible for Buick La Crosse Super Water Pump Mounted, Engine Mounted, Below Alternator 2008-2009 Compatible for Buick Le Sabre (submodel: Custom, Limited) 1996-2000 Compatible for Buick Lucerne Super 2008-2011 Compatible for Buick Lucerne (submodel: CXL, CXS)2006-2008 Compatible for Buick Park Avenue Base Naturally Aspirated 1995-2000 Compatible for Buick 99 Park Avenue Base Supercharged, Smooth Pulley 1999 Interchange Part Number: 89007 419610 Package Included: As the picture shown Warranty:1 Year Notice: -3 in. OD; 1.22 in. W; Flat; With steel flange -No Instruction Included -If you have any problem you can contact for free