Serpentine Belt

XTS. With power steering pump. 6t70. 3.0L & 3.6L. 3.6L, with awd. 3.6L twin-turbo. LaCrosse. Allows for the operation of various pulleys, and drive belt accessories, with the use of a single belt Creates a secure point of contact with the pulley, which allows for traction Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type

Idler Pulley

Repair noisy idler pulley bearing