Dorman 419-672 Accessory Drive Belt Idler Pulley

Accessory Drive Belt Idler Pulley for Select Dodge and Jeep Models

Dorman 419-672 is a specific-fit accessory drive belt idler pulley built to match the function and performance of the original pulley on select vehicles. It is a steel, black serpentine-belt pulley with a 90.2 mm outside diameter and a single bearing for dependable belt routing in the accessory drive system.

Compatible With select Dodge Dakota, Durango, Ram, Viper, and Jeep Grand Cherokee applications, this replacement pulley helps restore proper belt tracking and accessory drive operation. Dorman 419-672 also cross-references Gates 38033 for the same application.

Key Features

• Steel pulley construction with black finish
• Specific-fit design for select vehicle years, makes, and models
• Serpentine belt application
• 90.2 mm outside diameter with 17 mm inside diameter
• Single mounting hole design
• Single pulley bearing with 12 mm bearing width
• Regular-grade replacement part for accessory drive belt service

Detailed Product Overview

This accessory drive belt idler pulley is engineered as a direct replacement for the original pulley used on select Dodge and Jeep platforms. It is designed for vehicles including 1992-2003 Dodge Dakota, 1998-2003 Dodge Durango, 1994-2003 Dodge Ram 2500 and Ram 3500, 1992-2002 Dodge Viper, and 1993-1998 Jeep Grand Cherokee. The pulley supports proper serpentine belt routing and helps maintain consistent accessory drive operation across the engine front-end drive system.

Use Dorman 419-672 when servicing a worn or noisy idler pulley on applications such as Fits 1992-2003 Dodge Dakota, N/A; Fits 1998-2003 Dodge Durango, N/A; and Fits 1993-1998 Jeep Grand Cherokee, N/A. The steel construction and OE-style dimensions help ensure the pulley matches the original layout and belt path requirements.

What This Part Helps Address

• Squealing or chirping from a worn idler pulley bearing
• Serpentine belt misalignment or tracking issues
• Accessory drive noise from pulley wear
• Belt vibration caused by a damaged pulley surface
• Loss of smooth belt routing in the front accessory drive system

Installation Notes and Tips

Inspect the serpentine belt, tensioner, and adjacent pulleys before installation. Replace any belt showing glazing, cracking, or uneven wear so the new pulley can operate on a clean, properly tensioned drive path. Verify pulley alignment and mounting-hole fitment against the original component before final assembly.

Quality Assurance

Dorman designs this replacement pulley to match the function and performance of the original part on the listed applications. It is a specific-fit replacement for select Dodge and Jeep vehicles and is built to restore normal accessory drive operation when the original idler pulley is worn or damaged.