Four Seasons 45923 Accessory Drive Belt Idler Pulley - Upper

Brand Four Seasons 45923
Position Upper
Belt Type Serpentine
Belt Width IN 1.0625
Bore Dia. IN .399
Color Grey
Description Idler / Tensioner Pulley
Groove Quantity Smooth
I.D. MM 10.1
Inside Diameter .398
Material Steel
Meets / Exceeds OEM? Yes
Mount Hole Qty 1
Mounting Hardware? Not Included
O.D. MM 70.00
Outside Diameter 2.750
Pulley Type Back Idler
Pulley Width IN 1.063
Pulley Width MM 27
Style Idler / Tensioner Pulley
Type Pulley
Width 27
Product line Pulley
Fits Hyundai and Kia · 105 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable fit and function.

Steel construction. Provides a durable pulley body for the accessory drive system.

Smooth pulley design. Helps the serpentine belt run quietly and efficiently.

Cross-references AP Exhaust 50007, Dayco 89164 and Four Seasons 45923 for the same application. See all 14.

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Accessory Drive Belt Idler Pulley for Hyundai and Kia

Four Seasons 45923 is an accessory drive belt idler pulley built for serpentine belt systems. It uses a steel construction with a smooth pulley surface and a 2.750-inch outside diameter to support proper belt routing on a wide range of Hyundai and Kia applications.

Compatible With Hyundai Palisade, Kia Telluride, Kia Sorento, Hyundai Santa Fe, Hyundai Azera, and other listed models, this pulley is an OE-style replacement for accessory drive belt service. Four Seasons 45923 is also a direct cross-reference for common aftermarket and OE part numbers used on the same application.

Key Features

  • 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
  • 1.0625-inch belt width specification
  • Single mounting hole design
  • Meets or exceeds OEM requirements
  • Fits upper and N/A pulley positions as listed

Product Details

The Four Seasons pulley line focuses on accessory drive belt system components built to match OE service dimensions and fitment. Part number 45923 is an idler/tensioner style pulley with a 10.1 mm bore diameter, .398-inch inside diameter, and smooth groove profile for serpentine belt operation. It is used across multiple Hyundai and Kia platforms, including 2020-2025 Hyundai Palisade, 2020-2024 Kia Telluride, 2015-2020 Kia Sorento, 2007-2014 Hyundai Santa Fe, and 2006-2017 Hyundai Azera.

This part cross-references Gates 3860 and Dayco 89164 for the same application. Four Seasons 45923 is a practical replacement choice when servicing belt noise, pulley wear, or accessory drive alignment concerns on Hyundai Santa Fe, Kia Sedona, and related vehicles.

Common Uses

  • Eliminates pulley bearing noise in the accessory drive system
  • Restores proper serpentine belt tracking
  • Addresses belt wobble or uneven pulley rotation
  • Replaces worn idler or tensioner pulley surfaces
  • Supports maintenance on Hyundai and Kia belt drive assemblies

Installation Notes

Verify pulley diameter, width, bore size, and belt width before installation. Mounting hardware is not included, so reuse or source the correct fastener as needed. Confirm the pulley position and belt routing against the vehicle service information before final assembly. This part is listed for applications such as Fits 2020-2025 Hyundai Palisade, N/A; Fits 2020-2024 Kia Telluride, N/A; Fits 2015-2020 Kia Sorento, N/A; and Fits 2007-2014 Hyundai Santa Fe, N/A.

Quality Assurance

Four Seasons 45923 is listed as meeting or exceeding OEM requirements for the specified applications. Its steel construction and OE-style dimensions support consistent fitment across the Hyundai and Kia accessory drive belt systems shown in the fitment data.

This part fits 105 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2025HyundaiPalisadeN/APulley
2024HyundaiPalisadeN/APulley
2024KiaTellurideN/APulley
2023HyundaiPalisadeN/APulley
2023KiaTellurideN/APulley
2022HyundaiPalisadeN/APulley
2022KiaTellurideN/APulley
2021HyundaiPalisadeN/APulley
2021KiaSedonaUpperPulley
2021KiaTellurideN/APulley
2020HyundaiPalisadeN/APulley
2020KiaCadenzaN/APulley
2020KiaSedonaUpperPulley
2020KiaSorento3.3LV6N/APulley
2020KiaTellurideN/APulley
2019HyundaiSanta Fe XLN/APulley
2019KiaCadenzaN/APulley
2019KiaSedonaUpperPulley
2019KiaSorento3.3LV6N/APulley
2018HyundaiSanta FeN/APulley
2018KiaCadenzaN/APulley
2018KiaSedonaUpperPulley
2018KiaSorento3.3LV6N/APulley
2017HyundaiAzeraN/APulley
2017HyundaiSanta FeN/APlastic; Pulley
2017HyundaiSanta Fe SportN/APlastic; Pulley
2017KiaCadenzaN/APulley
2017KiaK9003.8LV6N/APulley
2017KiaSedonaUpperPulley
2017KiaSorento3.3LV6N/APulley
2016HyundaiAzeraN/APulley
2016HyundaiGenesis CoupeN/APulley
2016HyundaiSanta FeN/APlastic; Pulley
2016HyundaiSanta Fe Sport2.0LL4N/APlastic; Pulley
2016KiaCadenzaN/APulley
2016KiaK9003.8LV6N/APulley
2016KiaSedonaUpperPulley
2016KiaSorento3.3LV6N/APulley
2015HyundaiAzeraN/APulley
2015HyundaiGenesis CoupeN/APulley
2015HyundaiSanta FeN/APlastic; Pulley
2015HyundaiSanta Fe Sport2.0LL4N/APlastic; Pulley
2015KiaCadenzaN/APulley
2015KiaSedonaUpperPulley
2015KiaSorento3.3LV6N/APulley
2014HyundaiAzeraN/APulley
2014HyundaiGenesis3.8LV6N/APulley
2014HyundaiSanta FeN/APulley
2014HyundaiSanta Fe XLN/APulley
2014KiaCadenzaN/APulley
2014KiaSedonaUpperPulley
2013HyundaiAzeraN/APulley
2013HyundaiGenesis3.8LV6N/APulley
2013HyundaiSanta FeN/APulley
2013HyundaiSanta Fe XLN/APulley
2013KiaSorento3.5LV6N/APulley
2012HyundaiAzeraN/APulley
2012HyundaiGenesis3.8LV6N/APulley
2012HyundaiGenesis Coupe3.8LV6N/APulley
2012HyundaiSanta Fe3.5LV6N/APulley
2012HyundaiVeracruzN/APulley
2012KiaSedonaUpperPulley
2012KiaSorento3.5LV6N/APulley
2011HyundaiAzeraN/APulley
2011HyundaiGenesis3.8LV6N/APulley
2011HyundaiGenesis Coupe3.8LV6N/APulley
2011HyundaiSanta Fe3.5LV6N/APulley
2011HyundaiVeracruzN/APulley
2011KiaSedonaUpperPulley
2011KiaSorento3.5LV6N/APulley
2010HyundaiAzeraN/APulley
2010HyundaiGenesis3.8LV6N/APulley
2010HyundaiGenesis Coupe3.8LV6N/APulley
2010HyundaiSanta Fe3.5LV6N/APulley
2010HyundaiSonata3.3LV6N/APulley
2010HyundaiVeracruzN/APulley
2010KiaSedonaN/APulley
2009HyundaiAzeraN/APulley
2009HyundaiGenesis3.8LV6N/APulley
2009HyundaiSanta Fe3.3LV6N/APulley
2009HyundaiSonata3.3LV6N/APulley
2009HyundaiVeracruzN/APulley
2009KiaAmantiN/APulley
2009KiaBorrego3.8LV6N/APulley
2009KiaSedonaN/APulley
2009KiaSorento3.8LV6N/APulley
2008HyundaiAzeraN/APulley
2008HyundaiEntourageN/APulley
2008HyundaiSanta Fe3.3LV6N/APulley
2008HyundaiSonata3.3LV6N/APulley
2008HyundaiVeracruzN/APulley
2008KiaAmantiN/APulley
2008KiaSedonaN/APulley
2008KiaSorento3.8LV6N/APulley
2007HyundaiAzeraN/APulley
2007HyundaiEntourageN/APulley
2007HyundaiSanta Fe3.3LV6N/APulley
2007HyundaiSonata3.3LV6N/APulley
2007HyundaiVeracruzN/APulley
2007KiaAmantiN/APulley
2007KiaSedonaN/APulley
2007KiaSorentoN/APulley
2006HyundaiAzeraN/APulley
2006HyundaiSonata3.3LV6N/APulley
2006KiaSedonaN/APulley
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 50007Dayco — 89164Four Seasons — 45923Gates — 3860Gates — 36325Genuine — 252863C100Hayden — 59232863C1002863C200252863C150252863C200252863C250252863L100835923