The V - 8's accessory belt spins a hydraulic steering pump in the S8, but the S7 uses an electric assist motor mounted on the steering rack. (automobilemag.com)
This is a high quality, direct fit replacement accessory belt tensioner pulley; Backed by 1 - year, unlimited - mileage warranty. (carparts.com)
W; Flat; Dual bearing; With steel flange; This is a high quality, direct fit replacement accessory belt tensioner pulley set; Backed by 1 - year, unlimited - mileage warranty. (carparts.com)