Dorman 419-672 Accessory Drive Belt Idler Pulley

Durable Steel Accessory Drive Belt Idler Pulley for Dodge and Jeep

The Dorman 419-672 accessory drive belt idler pulley is engineered to provide reliable performance for specific Dodge and Jeep models. Constructed from steel with a black finish, this pulley is designed to maintain proper tension on serpentine belts, ensuring smooth engine operation.

• Made from durable steel material for long-lasting use
• Black color with a 90.2 mm outside diameter
• Compatible with serpentine belt systems
• Specific fit for Dodge and Jeep models including Ram 1500, Grand Cherokee, and Dakota
• Includes one idler pulley with a single mounting hole
• Pulley bearing width of 12 mm for smooth rotation
• Material thickness of 2.2 mm for strength and durability

Detailed Product Description and Specifications

The Dorman 419-672 idler pulley features a 17 mm inside diameter and a width ranging between 30 mm and 33.5 mm, designed to accommodate specific accessory drive belt systems. With zero grooves, this pulley is optimized for serpentine belt applications, providing consistent belt alignment and tension. The single mounting hole allows for straightforward installation on compatible vehicles. The pulley includes one bearing with a 12 mm width, ensuring smooth and reliable operation under various driving conditions.

Compatible Vehicles and Applications

This accessory drive belt idler pulley is specifically designed for use with a range of Dodge and Jeep vehicles. Compatible models include Dodge Ram 1500, Ram 2500, Ram 3500, Dakota, Durango, and Jeep Grand Cherokee, Grand Wagoneer, and Viper. It is also suitable for Dodge B150, B250, B350, D150, D250, D350, Ramcharger, and W150, W250, W350 series. The Dorman 419-672 part number ensures precise fitment and reliable performance in these applications.

Common Issues Addressed by the Idler Pulley

• Eliminates belt slippage caused by worn or damaged pulleys
• Prevents abnormal belt noise due to misalignment
• Maintains proper serpentine belt tension for accessory function
• Reduces premature belt wear and potential engine accessory failure
• Supports smooth operation of alternator, power steering, and air conditioning belts

Installation Notes and Tips

Installation of the Dorman 419-672 idler pulley requires removal of the serpentine belt and old pulley. Ensure the mounting surface is clean and free of debris before securing the new pulley. Note that mounting hardware is not included, so reuse existing bolts or acquire appropriate replacements. Proper torque specifications should be followed to avoid pulley misalignment or damage. It is recommended to inspect the serpentine belt and related components during installation for optimal system performance.

Quality Assurance and Warranty Information

Dorman manufactures this idler pulley to meet or exceed OEM standards for fit, form, and function. The steel construction and precision bearing contribute to its durability and reliable operation. 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 and conditions.