Buy 2004 Buick Century Accessory Drive Belt. 4.3 LITER, vacuum pump. 5.3 LITER, W/O EASSIST, 6.2 LITER Vacuum, Pump, LITER - OEM Buick Part # 12643517 (12658179)

Belt. Drive. Accessory. Serpentine.
A component of the external engine that transfers power to Accessory pulleys by rotation. Part cannot be reused/reinstalled. Vacuum Pump.

Accessory Drive Belt

Fits Escalade , Escalade ESV, Sierra 1500, Sierra 1500 Limited, Silverado, Suburban , Tahoe , Yukon, Yukon XL

4.3 LITER, vacuum pump. 5.3 LITER, W/O EASSIST, 6.2 LITER, vacuum pump. Escalade ESV; Vacuum. Suburban; Vacuum. VACUUM PUMP BELT; Sierra, Silverado. VACUUM PUMP BELT; Tahoe, Yukon, Escalade. Yukon XL; Vacuum.
Drive Belt - Repair or Replace
A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood. Consider having having your drive belt inspected or replaced to keep your 2004 Buick Century running at its best.