Dorman 419-616 Accessory Drive Belt Tensioner Pulley - Air Conditioning or V-Belt

Overview of Dorman Accessory Drive Belt Tensioner Pulley 419-616

The Dorman 419-616 accessory drive belt tensioner pulley is engineered for specific vehicle applications including Chevrolet Cavalier, Dodge Colt, Ford Mustang, GMC P20, and Nissan Frontier. Constructed from durable steel with a black finish, this pulley is designed to maintain proper tension on V-belts, ensuring reliable engine accessory operation.

• Material: Steel construction for strength and durability
• Color: Black finish for corrosion resistance
• Inside Diameter: 17 mm
• Outside Diameter: 80 mm
• Groove Quantity: 1 groove for V-belt compatibility
• Width: 10 mm and 18 mm (dual width attributes)
• Mounting Hole Quantity: 1
• Pulley Bearing Quantity: 1 with 12 mm bearing width
• Specific fit for select Chevrolet, Dodge, Ford, GMC, Nissan, and Pontiac models
• Package includes 1 idler pulley without mounting hardware

Detailed Product Description

The Dorman 419-616 accessory drive belt tensioner pulley is designed to work with V-belt systems on specific vehicle models such as the Chevrolet Cavalier and Pontiac Sunbird, Dodge Colt, Ford Mustang, GMC P20, and Nissan Frontier. Its steel construction provides the necessary rigidity and wear resistance to withstand engine bay conditions. The single groove design accommodates V-belts, while the 17 mm inside diameter and 80 mm outside diameter ensure proper belt alignment and tension. The pulley includes a single bearing with a 12 mm width to facilitate smooth rotation and reduce wear on the belt system.

Common Applications and Problem Solving

• Restores proper belt tension to prevent slipping and squealing
• Replaces worn or damaged pulleys causing belt misalignment
• Eliminates noise caused by faulty or seized pulley bearings
• Prevents premature belt wear due to improper tension
• Supports accessory drive components such as alternators and power steering pumps

Installation Notes and Tips

Installation of the Dorman 419-616 pulley requires removal of the old tensioner pulley and alignment with the existing mounting hole. Note that mounting hardware is not included, so retain or replace bolts as necessary. Ensure the V-belt is properly seated in the single groove and verify belt tension after installation. Use appropriate tools to avoid damage to the pulley bearing during installation.

Quality Assurance and Warranty

Dorman manufactures this accessory drive belt tensioner pulley to meet or exceed OEM specifications for fit and function. The steel construction and sealed bearing design contribute to long service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship.