Hayden 5004 Accessory Drive Belt Idler Pulley - Air Conditioning or Air Conditioning Bracket

Reliable Accessory Drive Belt Idler Pulley for Nissan and Infiniti

The Hayden Pulley 5004 is a steel accessory drive belt idler pulley designed for select Nissan and Infiniti models. Engineered to meet or exceed OEM specifications, this pulley ensures smooth serpentine belt operation for vehicles like the Nissan Altima, 200SX, and Infiniti I30, I35, and Murano.

Key Features of Hayden Pulley 5004

• Constructed from durable steel with a black finish for corrosion resistance
• Compatible with serpentine belt systems featuring a 1.0 inch (25.4 mm) belt width
• Outside diameter measures 3.25 inches (82.55 mm) for precise fitment
• Inside diameter of 0.46875 inches (11.906 mm) with a smooth groove design
• Single mount hole for secure installation (mounting hardware not included)
• Designed as an idler/tensioner pulley to maintain proper belt tension
• Meets or exceeds OEM quality standards for reliable performance

Detailed Description of the Hayden Pulley 5004

This Hayden Pulley 5004 is part of the Pulley product line, which focuses on high-quality accessory drive belt system components. The steel construction provides strength and durability, while the black coating helps resist wear and corrosion. With a smooth groove and precise dimensions, this idler pulley supports serpentine belt systems by maintaining optimal tension and alignment. The pulley width of 23.9 mm (0.94 inches) and bore diameter of approximately 0.47 inches ensure compatibility with specific Nissan and Infiniti models, including the 200SX, Altima, I30, I35, and Murano.

Common Applications and Issues Addressed

• Restores proper serpentine belt tension to prevent slipping or noise
• Eliminates belt misalignment that can cause premature wear
• Replaces worn or damaged idler pulleys to maintain engine accessory function
• Prevents overheating issues related to accessory drive belt failure
• Supports smooth operation of alternator, power steering, and A/C components

Installation Notes and Tips

When installing the Hayden Pulley 5004, ensure the serpentine belt width matches the 1.0 inch (25.4 mm) specification. Verify the single mount hole aligns with the vehicle’s mounting bracket. Note that mounting hardware is not included, so retain or source appropriate bolts and fasteners. Proper torque specifications should be followed to avoid pulley misalignment or damage. Inspect the serpentine belt and related components during installation for optimal system performance.

Quality Assurance and Warranty

The Hayden Pulley 5004 meets or exceeds OEM standards, providing reliable performance for Nissan and Infiniti accessory drive belt systems. While specific warranty details are not provided, Hayden products are manufactured to maintain durability and consistent operation under normal use conditions.