Hayden 5937 Accessory Drive Belt Idler Pulley - Upper

Overview of Hayden Pulley Accessory Drive Belt Idler Pulley

The Hayden Pulley 5937 is a steel accessory drive belt idler pulley designed for select Nissan vehicles. Engineered to meet or exceed OEM specifications, this black idler pulley supports the proper tension and routing of the accessory drive belt system in Nissan Altima, Maxima, Murano, and Quest models.

• Constructed from durable steel material for long-lasting performance
• Black finish with a smooth groove design
• Outside diameter of 3.000 inches (76.2 mm) and width of 1.34 inches (34 mm)
• Inside diameter (bore) of 0.4724 inches (12 mm) for precise fitment
• Compatible with back idler belt type, belt width approximately 1.3125 inches (34.925 mm)
• Single mount hole design; mounting hardware not included
• Meets or exceeds OEM quality standards

Hayden Pulley Product Line Details

The Hayden Pulley product line focuses on accessory drive belt system components, providing reliable idler and tensioner pulleys engineered for specific vehicle applications. The Pulley line ensures compatibility and durability, supporting proper belt tension and alignment to maintain engine accessory function. Part number 5937 is part of this line, designed specifically for Nissan models requiring a back idler pulley with precise dimensions and OEM-level quality.

Detailed Product Description

This Hayden Pulley 5937 idler pulley is constructed from steel with a black finish, offering strength and resistance to wear. The smooth groove design accommodates the accessory drive belt without causing damage or excessive wear. With an outside diameter of 3 inches and a width of 1.34 inches, it fits belt widths of approximately 1.3125 inches, making it suitable for the back idler belt type in Nissan Altima, Maxima, Murano, and Quest vehicles. The bore diameter of 0.4724 inches ensures a secure fit on the mounting shaft. This pulley is designed to maintain proper belt tension and alignment, which is critical for the efficient operation of engine accessories such as the alternator, power steering pump, and air conditioning compressor.

Common Applications and Issues Addressed

• Replacement of worn or damaged idler pulley in Nissan Altima, Maxima, Murano, and Quest
• Resolving belt slippage or misalignment issues in accessory drive systems
• Eliminating noise caused by pulley bearing wear or failure
• Preventing premature belt wear due to improper tension
• Maintaining consistent accessory drive belt routing and tension

Installation Notes and Tips

Installation of the Hayden Pulley 5937 requires removal of the old idler pulley and proper alignment of the new pulley on the mounting shaft. Note that mounting hardware is not included, so original bolts or compatible replacements must be used. Ensure the pulley spins freely without wobble and that the belt is correctly routed over the pulley. It is recommended to inspect the accessory drive belt for wear during installation and replace if necessary to ensure optimal system performance.

Quality Assurance and Warranty

The Hayden Pulley 5937 meets or exceeds OEM quality standards, providing reliable performance for Nissan accessory drive belt systems. Manufactured with precision and durable materials, this pulley supports long service life under normal operating conditions. Warranty information should be confirmed with the distributor or manufacturer, as it may vary by region or supplier.