Dayco 89575 Accessory Drive Belt Idler Pulley

Dayco 89575 Accessory Drive Belt Idler Pulley

Dayco 89575 is an accessory drive belt idler pulley built for serpentine belt systems. It uses a steel construction with a single bearing and a 4-groove profile to match the belt path on select applications, including 2007-2011 Nissan Altima models.

Key Features

• Steel pulley construction for accessory drive belt service
• 4-groove design for serpentine belt routing
• Single bearing design with 12 mm inner diameter and 12 mm bearing width
• Flat: N configuration
• Max belt width: 04 rib
• Direct fitment for 2007-2011 Nissan Altima applications

Detailed Description

This Dayco accessory drive belt idler pulley, part number 89575, is specified for serpentine belt systems and built with a steel body for consistent belt tracking. The pulley features four grooves, one bearing, and dimensions that align with the accessory drive layout used on 2007-2011 Nissan Altima vehicles. If you are replacing a worn idler pulley on a Nissan Altima, 89575 provides the correct style and fitment for the listed model years.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Belt noise caused by a worn idler pulley bearing
• Serpentine belt tracking issues from pulley wear
• Accessory drive vibration related to pulley roughness
• Visible pulley damage, scoring, or uneven rotation
• Drive belt service needs on 2007-2011 Nissan Altima models

Installation Notes and Tips

Verify belt routing, groove count, and pulley dimensions before installation. Inspect the serpentine belt, tensioner, and adjacent accessory pulleys at the same time so the repaired system runs smoothly after service. Confirm the vehicle application against the listed fitment for 2007-2011 Nissan Altima, N/A.

Quality Assurance

Dayco is a recognized name in accessory drive components, and this pulley is built to meet the dimensional and material requirements called out for the application. Part number 89575 is listed for 2007-2011 Nissan Altima fitment.