Dayco 89555 Accessory Drive Belt Idler Pulley - Air Conditioning

Overview of Dayco Accessory Drive Belt Idler Pulley 89555

The Dayco 89555 accessory drive belt idler pulley is engineered for reliable performance in Nissan Frontier and Xterra vehicles. Constructed from durable steel, this pulley supports serpentine belt systems with precision and longevity.

• Material: Steel construction for strength and durability
• Groove Quantity: 4 grooves to accommodate serpentine belts
• Belt Type Compatibility: Designed specifically for serpentine belts
• Bearing Inner Diameter: 17 mm for smooth rotation
• Bearing Width: 12 mm ensuring stable bearing support
• Maximum Belt Width: Supports up to 4 rib belts
• Number of Bearings: Single bearing design for efficient operation

Detailed Product Description

The Dayco 89555 idler pulley is a critical component in the accessory drive belt system of Nissan Frontier and Xterra models. Made from steel, it offers robust resistance to wear and heat, essential for maintaining belt tension and alignment. The pulley features four grooves, matching the serpentine belt profile used in these vehicles, and supports belts up to 4 ribs wide. Its single bearing with a 17 mm inner diameter and 12 mm width ensures smooth, low-friction rotation, reducing strain on the belt and other drive components. This part is designed to maintain optimal belt routing and tension, contributing to the overall efficiency of the engine’s accessory drive system.

Compatible Vehicles and Applications

• Compatible with Nissan Frontier models requiring accessory drive belt idler pulley replacement
• Compatible with Nissan Xterra models for serpentine belt system maintenance
• Ideal for addressing issues related to belt misalignment or wear in these vehicles
• Supports serpentine belt systems with up to 4 rib width belts

Installation Notes and Tips

• Ensure the serpentine belt is properly routed before installing the idler pulley
• Check the bearing for smooth rotation during installation to avoid premature failure
• Use appropriate torque specifications for mounting bolts to prevent damage
• Inspect the belt for wear or damage and replace if necessary when installing the pulley

Quality Assurance and Warranty

Dayco manufactures the 89555 idler pulley to meet OEM standards for fit and function in Nissan Frontier and Xterra vehicles. The steel construction and precision bearing design contribute to reliable service life. While specific warranty details may vary, Dayco products typically come with a limited warranty covering defects in materials and workmanship, ensuring confidence in replacement parts.