Shop Buick Century Serpentine Belt. 3.0 LITER & 3.6 LITER. 3.6 LITER. 3.6 LITER TWIN-TURBO. 3.6 LITER, w LITER, Pump, Drive - OEM Buick Part # 12636137 (12618089)

Belt - Water Pump and Air Conditioning (A/C) Compressor and Generator and Power Steering Pump. Serpentine Belt.
Routing:Crk,Tens,Ps,Wp,Alt,Idler,Comp. Serpentine Belt.

Serpentine Belt

Fits LaCrosse, XTS

3.0 LITER & 3.6 LITER. 3.6 LITER. 3.6 LITER TWIN-TURBO. 3.6 LITER, w/AWD. LaCrosse. LaCrosse; 3.6L. XTS; w/Power Steering Pump; 6T70.
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.