Shop 1985 Buick Century Accessory Drive Belt Tensioner Assembly. 2.5 LITER. LaCrosse; 2.5L; Primary. LITER, Load, Loose, Make - OEM Buick Part # 12685957 (12678594, 12683523)

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

Accessory Drive Belt Tensioner Assembly

Fits LaCrosse

2.5 LITER. LaCrosse; 2.5L; Primary.
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 .