Shop 1989 Buick Century Accessory Drive Belt Tensioner Assembly. 5.3 LITER, W/EASSIST, hydraulic. Sierra Hydraulic, EASSIST, LITER - OEM Buick Part # 12684847 (12678002, 12681063)

Tensioner. Belt. Assembly - Drive. Accessory Drive Assembly. Serpentine.
Assembled device that applies load to the Drive Belt.

Accessory Drive Belt Tensioner Assembly

Fits Sierra 1500, Silverado

5.3 LITER, W/EASSIST, hydraulic. Sierra, Silverado; w/eAssist; Hydraulic.
Drive Belt Tensioner - Repair or Replace
A squeaking or squealing noise from your engine bay is usually due to a loose drive belt. Consider replacing the drive belt tensioner on your .