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(888) 312-8812 Login SignupIf you should need a replacement part to support your vehicle’s belt system, the Mack Accessory Drive Belt Idler Pulley fits that role. This component interacts with the accessory drive belt to help guide movement and keep the belt aligned with pulleys across multiple accessories. Moreover, this V-ribbed pulley has 6 grooves and a width of 1.08 inches, created to match the specifications required for certain Mack engines. Return balance and grip to your serpentine belt system when you shop the Mack 25502608.
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