Fits 2010 Buick Allure. Part Type: Accessory Drive Belt Tensioner Assembly. 2010 Buick Allure Engine: 3.6L V6;. 2010 Buick Allure Engine: 3L V6;. Belt Type: Serpentine. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.