Dorman 419-660 Accessory Drive Belt Idler Pulley - Left or Lower

Durable Steel Accessory Drive Belt Idler Pulley for Mitsubishi and Nissan

The Dorman 419-660 accessory drive belt idler pulley is engineered to provide reliable tension and smooth operation for serpentine belt systems. Designed specifically for select Mitsubishi and Nissan models, this pulley ensures proper belt alignment and reduces wear on your vehicle's accessory drive components.

• Constructed from durable steel with a black finish for corrosion resistance
• Measures 90 mm outside diameter and 10 mm inside diameter for precise fit
• Single mounting hole design for secure installation
• Compatible with serpentine belt systems requiring a pulley width of 20 to 30 mm
• Includes one pulley bearing with a width of 25.7 mm for smooth rotation
• Specific fit for Mitsubishi Eclipse, Lancer, Montero, Montero Sport, Outlander and Nissan Frontier, Galant models

Product Details and Specifications

The Dorman 419-660 idler pulley is crafted from steel to withstand the stresses of accessory drive belt tensioning. Its black finish helps resist rust and corrosion, extending service life. The pulley features a 90 mm outside diameter and a 10 mm inside diameter, designed to match the belt path requirements of specific Mitsubishi and Nissan vehicles. With a groove quantity of zero, this pulley is intended for serpentine belt systems, providing a smooth, low-friction surface for the belt to ride on. The pulley width ranges between 20 and 30 mm, accommodating belt widths commonly found in these applications. A single mounting hole ensures straightforward installation, while the included bearing with a 25.7 mm width supports consistent rotation and reduces noise.

Compatible Vehicles and Applications

• Mitsubishi Eclipse accessory drive belt replacement
• Nissan Frontier serpentine belt system maintenance
• Mitsubishi Lancer and Montero Sport belt tensioning component
• Nissan Galant and Outlander accessory drive system repair
• Replacement idler pulley for Mitsubishi Montero models

Installation Notes and Tips

When installing the Dorman 419-660 idler pulley, ensure the serpentine belt is properly routed according to the vehicle’s service manual. Verify the pulley aligns correctly with other belt system components to prevent premature belt wear. Use appropriate tools to remove the old pulley and torque the mounting bolt to manufacturer specifications. Inspect the belt for signs of wear or damage during installation and replace if necessary.

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 long-lasting performance in demanding automotive environments. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship.