Shop 2004 Buick Century Serpentine Belt. 3.6 LITER. 3.6 LITER, w/o AWD. CT6; 3.6L. Impala; 3.6L. XTS; w LITER, Drive, AWD, Having - OEM Buick Part # 12639018

Serpentine Belt.
Routing:Crk,Tens,Ps,Wp,Alt,Idler,Comp. Serpentine Belt.

Serpentine Belt

Fits CT6, Impala, LaCrosse, XTS

3.6 LITER. 3.6 LITER, w/o AWD. CT6; 3.6L. Impala; 3.6L. XTS; w/o Power Steering Pump.
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 running at its best.