Dorman 419-707 Accessory Drive Belt Idler Pulley - Air Conditioning

Durable Steel Accessory Drive Belt Idler Pulley for Chrysler Vehicles

The Dorman 419-707 accessory drive belt idler pulley is engineered to provide reliable performance for select Chrysler, Dodge, and Plymouth models. Designed with precision, this pulley ensures smooth serpentine belt operation, helping maintain your vehicle's accessory drive system efficiency.

• Constructed from durable steel with a black finish for corrosion resistance
• Specifically designed for serpentine belt systems with a single groove
• Outside diameters of 123.2 mm and 93 mm for precise fitment
• Inside diameter of 17 mm and width options of 11 mm and 18.5 mm
• Includes one pulley bearing with a 12 mm width for smooth rotation
• Single mounting hole for secure installation
• Compatible with Chrysler 300M, Concorde, Intrepid, LHS, New Yorker, and Prowler models

Product Details and Specifications

The Dorman 419-707 idler pulley is made from high-quality steel, providing strength and durability necessary for long-term use in accessory drive belt systems. Its black coating offers additional protection against wear and corrosion. The pulley features a single groove designed to accommodate serpentine belts, which are common in many Chrysler, Dodge, and Plymouth vehicles. With an inside diameter of 17 mm and outside diameters of 123.2 mm and 93 mm, this pulley fits precisely within the specified vehicle applications. The pulley bearing included has a width of 12 mm, ensuring smooth and consistent rotation to reduce belt wear and maintain proper tension.

Compatible Vehicles and Applications

This accessory drive belt idler pulley is specifically compatible with the following makes and models:

• Chrysler 300M
• Chrysler Concorde
• Chrysler Intrepid
• Chrysler LHS
• Chrysler New Yorker
• Plymouth Prowler

Using the correct idler pulley like the Dorman 419-707 helps maintain the integrity of the serpentine belt system, which drives essential components such as the alternator, power steering pump, and air conditioning compressor.

Common Issues Addressed by This Idler Pulley

• Eliminates belt slippage caused by worn or damaged pulleys
• Prevents abnormal belt noise due to pulley bearing failure
• Maintains proper belt tension to avoid premature belt wear
• Reduces risk of accessory drive system failure from pulley misalignment
• Helps restore smooth operation of serpentine belt-driven accessories

Installation Notes and Tips

Installation of the Dorman 419-707 idler pulley requires removal of the serpentine belt and the old pulley. Ensure the mounting surface is clean and free of debris before installing the new pulley. This part does not include mounting hardware, so retain or replace bolts as necessary. Proper torque specifications should be followed to secure the pulley firmly without over-tightening. After installation, verify belt alignment and tension to ensure optimal performance.

Quality Assurance and Warranty

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 the product packaging or Dorman’s official documentation for exact warranty terms.