Dorman 419-617 Accessory Drive Belt Tensioner Pulley

Reliable Accessory Drive Belt Tensioner Pulley for Select GM and Ford Models

The Dorman 419-617 accessory drive belt tensioner pulley is engineered to provide consistent belt tension and smooth operation for various Buick, Chevrolet, Ford, Mercury, Oldsmobile, and Pontiac vehicles. Designed with precision steel construction, this pulley ensures durability and proper fitment for specific applications.

• Constructed from durable steel for long-lasting performance
• Specific fit for Buick Achieva, Chevrolet Cavalier, Malibu, Pontiac Grand Am, Ford Tempo, and other models
• Outside diameter of 82.5 mm and inside diameter of 17 mm for precise compatibility
• Grooved belt type with no additional grooves on the pulley (groove quantity: 0)
• Includes one idler pulley with a single bearing (12 mm width)
• Regular grade type designed for standard accessory drive systems
• Mounting hardware not included

Detailed Product Description and Specifications

The Dorman 419-617 accessory drive belt tensioner pulley is crafted from steel to withstand the stresses of continuous engine operation. With an outside diameter of 82.5 mm and an inside diameter of 17 mm, this pulley is designed to fit specific vehicle models such as the Buick Achieva and Chevrolet Malibu, as well as Ford Tempo and Pontiac Grand Am. The pulley features a width of 16 mm and 28 mm (likely referring to different dimensional aspects), and it supports grooved belts, although the pulley itself has zero grooves. It contains one bearing with a 12 mm width to ensure smooth rotation and reduce wear on the belt system. This part is intended for use in accessory drive belt systems where maintaining proper belt tension is critical for engine accessory performance.

Compatible Vehicles and Applications

• Buick Achieva, Alero, Calais, Skylark
• Chevrolet Cavalier, Malibu, Sunfire
• Ford Tempo
• Mercury Topaz
• Oldsmobile Cutlass Calais, Cutlass Supreme, Calais
• Pontiac Grand Am, Grand Prix

Common Issues Addressed by This Pulley

• Eliminates belt slippage caused by worn or damaged pulleys
• Prevents premature belt wear due to improper tension
• Reduces noise from misaligned or failing tensioner components
• Maintains consistent accessory drive belt tension for optimal engine performance
• Replaces pulleys with damaged bearings to restore smooth operation

Installation Notes and Tips

Installation of the Dorman 419-617 pulley requires removal of the old tensioner pulley and proper alignment with the accessory drive belt system. Since mounting hardware is not included, reuse existing bolts or acquire compatible fasteners. Ensure the belt is properly routed and tensioned according to the vehicle manufacturer’s specifications. It is recommended to inspect the belt and other tensioner components during installation to ensure overall system reliability.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 419-617 accessory drive belt tensioner pulley undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete terms.