Dorman 419-723 Accessory Drive Belt Idler Pulley - Upper

Durable Accessory Drive Belt Idler Pulley for Nissan Vehicles

The Dorman 419-723 accessory drive belt idler pulley is engineered to provide reliable performance for select Nissan models. Designed specifically for Nissan Altima, Maxima, Murano, and Quest, this pulley ensures proper tension and alignment of the serpentine belt system.

• Constructed from durable steel with a black finish for corrosion resistance
• Measures 75 mm outside diameter and 12 mm inside diameter for precise fit
• Includes one mounting hole and comes with mounting hardware for easy installation
• Features a 12 mm wide pulley bearing to support smooth belt operation
• Compatible with serpentine belt systems on specific Nissan models
• Package contains 1 idler pulley, 1 specialty bolt, and 1 dust shield

Technical Specifications and Design Details

The Dorman 419-723 idler pulley is made from high-quality steel with a 2 mm material thickness, providing strength and durability under engine operating conditions. Its 75 mm outside diameter and 29 to 34 mm width accommodate the serpentine belt system requirements for Nissan Altima, Maxima, Murano, and Quest models. The pulley features a single groove-free design and includes one mounting hole, ensuring a secure fit. The included specialty bolt and dust shield help maintain proper installation and protect the pulley from debris.

Compatible Nissan Models and Applications

This accessory drive belt idler pulley is specifically designed for use with the serpentine belt systems on Nissan Altima, Maxima, Murano, and Quest vehicles. Using the correct idler pulley like the Dorman 419-723 helps maintain proper belt tension and alignment, which is critical for the operation of engine accessories such as the alternator, power steering pump, and air conditioning compressor.

• Prevents belt slippage and misalignment
• Reduces noise caused by worn or damaged pulleys
• Helps avoid premature belt wear or failure
• Supports smooth operation of engine accessory components
• Addresses issues related to belt tension loss or pulley bearing wear

Installation Notes and Tips

Installation of the Dorman 419-723 idler pulley requires removal of the serpentine belt and old pulley. The included mounting hardware simplifies the replacement process. Ensure the pulley bearing rotates smoothly before installation. Proper torque specifications should be followed when securing the specialty bolt. It is recommended to inspect the serpentine belt and other pulleys during installation to maintain overall system integrity.

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 included dust shield contribute to long service life. This product comes with a limited warranty, providing coverage against defects in material and workmanship under normal use conditions.