Hayden 5940 Accessory Drive Belt Idler Pulley - Air Conditioning, Air Conditioning Bracket or Alternator and Power Steering

Overview of Hayden Pulley Accessory Drive Belt Idler Pulley

The Hayden Pulley 5940 is a steel accessory drive belt idler pulley designed for reliable performance in various vehicle applications. Engineered to meet or exceed OEM specifications, this idler pulley is compatible with select Ford, Mazda, Mercury, and Nissan models including the Mazda 323, Nissan Altima, Aspire, Quest, and Villager.

• Constructed from durable steel with a black finish
• Designed for serpentine belt systems with 4 grooves
• Outside diameter measures 3.125 inches (79.375 mm)
• Inside diameter (bore) of 0.669 inches (17 mm)
• Width of 17.5 mm (0.69 inches) suitable for belt width of 0.63 inches (17.463 mm)
• Single mount hole for secure installation
• Compatible with multiple vehicle makes and models
• Meets or exceeds OEM quality standards

Hayden Pulley Product Line Details

The Hayden Pulley product line focuses on precision-engineered pulley components for accessory drive belt systems. This line includes idler and tensioner pulleys designed to maintain proper belt tension and alignment, ensuring efficient operation of engine accessories. The Pulley line emphasizes durability and fitment accuracy, making part number 5940 a reliable choice for maintaining serpentine belt systems in compatible vehicles.

Product Description and Specifications

The Hayden Pulley 5940 idler pulley is constructed from steel, providing strength and resistance to wear. Its black color finish offers corrosion resistance and a professional appearance. The pulley features four grooves to accommodate serpentine belts with a width of approximately 0.63 inches (17.463 mm). The outside diameter of 3.125 inches (79.375 mm) and inside diameter of 0.669 inches (17 mm) ensure proper fitment and smooth belt operation. With a pulley width of 17.5 mm (0.69 inches), this component supports consistent belt tracking and tension. The single mounting hole design allows for straightforward installation on compatible vehicles.

Applications and Common Issues Addressed

• Replacement for worn or damaged idler pulleys in serpentine belt systems
• Resolves belt misalignment and slipping issues
• Prevents premature belt wear caused by faulty pulleys
• Maintains proper tension in accessory drive belts
• Supports smooth operation of engine accessories such as alternators and power steering pumps

Installation Notes and Tips

When installing the Hayden Pulley 5940, ensure the serpentine belt is properly routed according to the vehicle’s service manual. Verify that the mounting surface is clean and free of debris before securing the pulley. Note that mounting hardware is not included and should be reused or replaced as necessary. Proper torque specifications should be followed to avoid damage or loosening during operation.

Quality Assurance and Warranty

This idler pulley meets or exceeds OEM quality standards, providing reliable performance and durability. Manufactured with precision materials and processes, the Hayden Pulley 5940 is designed to maintain consistent belt tension and alignment. Warranty information should be confirmed with the original equipment manufacturer or distributor.