Hayden 5923 Accessory Drive Belt Idler Pulley - Upper

Accessory Drive Belt Idler Pulley for Hyundai and Kia

Hayden Pulley 5923 is an accessory drive belt idler pulley built for serpentine belt systems. It uses a steel construction with a smooth groove design, a 2.750-inch outside diameter, and a 1.063-inch pulley width for OE-style belt routing and support.

Compatible With Hyundai Palisade, Kia Telluride, Kia Sorento, Kia Sedona, Hyundai Santa Fe, Hyundai Azera, Hyundai Genesis, and other listed applications, Hayden 5923 is a direct-fit style replacement for many Hyundai and Kia accessory drive belt systems. The Hayden Pulley line focuses on replacement pulleys for belt drive service, and this part meets or exceeds OEM requirements.

• Steel pulley construction with grey finish
• Smooth back idler pulley design for serpentine belt systems
• 2.750-inch outside diameter and 27 mm pulley width
• 1 mounting hole; mounting hardware not included
• Meets or exceeds OEM requirements
• Cross-references Dayco 89164 and Gates 3860 for the same application

Detailed Product Overview

Hayden 5923 is an idler / tensioner pulley designed for accessory drive belt service on a wide range of Hyundai and Kia vehicles. The smooth pulley surface, 10.1 mm bore diameter, and steel body support stable belt tracking in serpentine belt applications. This part number is used across multiple platforms, including Hyundai Santa Fe, Hyundai Santa Fe XL, Kia Sorento, Kia Sedona, Kia Cadenza, Kia Telluride, and Hyundai Palisade applications listed in the fitment data. If you are replacing a worn pulley on a Hyundai Genesis Coupe or Kia Amanti, Hayden Pulley 5923 provides an OE-style replacement option for the same belt drive location.

What It Helps Address

• Squealing or chirping from a worn accessory drive belt pulley
• Belt misalignment caused by pulley wear or bearing deterioration
• Rough pulley rotation during belt system inspection
• Visible groove wear or surface damage on the idler pulley
• Service replacement for Hyundai and Kia serpentine belt routing components

Installation Notes and Tips

Verify pulley diameter, width, bore size, and mounting style before installation. Hayden 5923 uses a single mounting hole and does not include mounting hardware, so reuse or source the correct fastener as needed. Inspect the serpentine belt, tensioner, and adjacent pulleys at the same time to confirm proper belt tracking after service. Confirm vehicle-specific fitment for the exact year, make, model, and pulley position before ordering.

Quality Assurance

Hayden states this pulley meets or exceeds OEM requirements. The steel construction and OE-style dimensions support consistent fitment across the listed Hyundai and Kia applications, including 2020-2025 Hyundai Palisade, 2020-2024 Kia Telluride, and 2015-2020 Kia Sorento coverage. Part number 5923 is also listed with multiple interchange references for cross-checking during parts lookup.