Dorman 419-701 Accessory Drive Belt Idler Pulley - Air Conditioning

Dorman 419-701 Accessory Drive Belt Idler Pulley

Dorman 419-701 is a replacement accessory drive belt idler pulley engineered to match the function and performance of the original pulley on select Nissan applications. It helps restore proper serpentine belt routing and stable accessory drive operation on the vehicle.

• Steel pulley construction with a black finish
• 4-groove design for serpentine belt systems
• 17 mm inside diameter
• 85.5 mm outside diameter
• 40 mm pulley bearing width with one bearing
• Specific fit for select Nissan Frontier and Nissan Xterra models

Detailed Product Overview

This accessory drive belt idler pulley is built for vehicles that rely on a serpentine belt to drive engine accessories. The steel body and regular-grade construction support consistent belt tracking, while the 4-groove profile and 85.5 mm outside diameter match the original pulley layout used on select Nissan Frontier and Nissan Xterra air conditioning applications. If you are replacing a worn Nissan Frontier idler pulley or servicing a Nissan Xterra accessory drive belt system, Dorman 419-701 provides a direct-fit service part for the specified vehicles.

This part cross-references Gates 36314 and Dayco 89555 for the same application.

Vehicle Fitment

• Fits 1999-2004 Nissan Frontier, Air Conditioning
• Fits 2000-2004 Nissan Xterra, Air Conditioning

Common Problems This Part Can Address

• Belt noise from a worn idler pulley bearing
• Serpentine belt misalignment at the accessory drive
• Visible pulley wear, wobble, or rough rotation
• Loss of proper belt tension routing across the A/C drive path
• Accessory drive performance issues caused by a damaged pulley surface

Installation Notes and Tips

Verify pulley diameter, groove count, and mounting style against the original part before installation. Inspect the serpentine belt, tensioner, and adjacent pulleys for wear at the same time, since a damaged belt system can shorten the service life of the replacement pulley. Mounting hardware is not included.

Quality Assurance

Dorman designs this replacement pulley to match the original function and performance on the listed Nissan Frontier and Nissan Xterra applications. Part number 419-701 is built as a specific-fit service component for the confirmed vehicle years and positions shown above.