HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 89618 Accessory Drive Belt Tensioner Assembly
Part #: 89618

Dayco 89618 Accessory Drive Belt Tensioner Assembly

⚙️ 92 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Kia and Hyundai, Sportage, Santa Fe Sport, Sonata, Tucson, Optima, Sorento, Forte, Forte Koup, Forte5, Santa Fe, Magentis, and Rondo
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Overview of Dayco Accessory Drive Belt Tensioner Assembly 89618

The Dayco Accessory Drive Belt Tensioner Assembly 89618 is designed for reliable serpentine belt tensioning in select Hyundai and Kia vehicles. This automatic tensioner ensures consistent belt tension and smooth operation of accessory drive components.

  • Compatible with Hyundai and Kia models including Forte, Forte5, Forte Koup, Magentis, Optima, Rondo, Santa Fe, Santa Fe Sport, Sonata, Sorento, Sportage, and Tucson
  • Serpentine belt type tensioner assembly
  • Clockwise direction operation
  • Single pulley design with a 65 mm diameter pulley
  • Pulley width of 31 mm with a flat pulley surface
  • Automatic tensioner type for maintenance-free belt tensioning

Detailed Product Description

The Dayco 89618 accessory drive belt tensioner assembly is engineered to maintain optimal tension on serpentine belts in various Hyundai and Kia vehicles. Featuring a single pulley with a 65 mm diameter and 31 mm width, this tensioner supports smooth belt tracking and reduces wear. The flat pulley surface helps prevent belt slippage, while the clockwise rotation direction matches the original equipment specifications for proper fitment. As an automatic tensioner, it adjusts belt tension dynamically, reducing the need for manual adjustments and improving overall accessory drive system reliability.

Applications and Common Issues Addressed

  • Prevents belt slippage and squealing noises
  • Maintains proper tension to avoid premature belt wear
  • Reduces risk of accessory drive component damage due to improper belt tension
  • Eliminates the need for manual tension adjustments
  • Helps maintain consistent engine accessory performance

Installation Notes and Tips

  • Ensure compatibility with your specific Hyundai or Kia model before installation
  • Follow vehicle manufacturer torque specifications when mounting the tensioner
  • Inspect the serpentine belt for wear and replace if necessary during installation
  • Verify the pulley rotates smoothly and the tensioner arm moves freely after installation
  • Use proper tools to avoid damage to the tensioner or surrounding components

Quality Assurance and Warranty

Dayco manufactures the 89618 tensioner assembly to meet or exceed OEM standards for durability and performance. This part undergoes rigorous quality control to ensure reliable operation in the accessory drive system. Warranty coverage details should be confirmed with the original product documentation or supplier, as they may vary by region.

BrandDayco
Part Number89618
Belt TypeSerpentine
DirectionClock Wise
Number of Pulleys1
Pulley 1 Diameter65
Pulley 1 FlatY
Pulley 1 Width31
TypeAutomatic

This part fits 92 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2017KiaSportage2.4LL4N/A
2017KiaSportage2.0LL4N/A
2016KiaSportage2.4LL4N/A
2016KiaSportage2.0LL4N/A
2015HyundaiSanta Fe Sport2.4LL4N/A
2015HyundaiSonata2.4LL4GASN/A
2015HyundaiSonata2.0LL4N/A
2015HyundaiTucson2.4LL4N/A
2015KiaOptima2.4LL4GASN/A
2015KiaOptima2.0LL4N/A
2015KiaSorento2.4LL4N/A
2015KiaSportage2.4LL4N/A
2015KiaSportage2.0LL4N/A
2014HyundaiSanta Fe Sport2.4LL4N/A
2014HyundaiSonata2.4LL4GASN/A
2014HyundaiSonata2.0LL4N/A
2014HyundaiTucson2.4LL4N/A
2014KiaOptima2.4LL4GASN/A
2014KiaOptima2.0LL4N/A
2014KiaSorento2.4LL4N/A
2014KiaSportage2.4LL4N/A
2014KiaSportage2.0LL4N/A
2013HyundaiSanta Fe Sport2.4LL4N/A
2013HyundaiSonata2.4LL4GASN/A
2013HyundaiSonata2.0LL4N/A
2013HyundaiTucson2.4LL4N/A
2013HyundaiTucson2.0LL4N/A
2013KiaForte2.4LL4N/A
2013KiaForte2.0LL4N/A
2013KiaForte Koup2.4LL4N/A
2013KiaForte Koup2.0LL4N/A
2013KiaForte52.4LL4N/A
2013KiaForte52.0LL4N/A
2013KiaOptima2.4LL4GASN/A
2013KiaOptima2.0LL4N/A
2013KiaSorento2.4LL4N/A
2013KiaSportage2.4LL4N/A
2013KiaSportage2.0LL4N/A
2012HyundaiSanta Fe2.4LL4N/A
2012HyundaiSonata2.4LL4GASN/A
2012HyundaiSonata2.0LL4N/A
2012HyundaiTucson2.4LL4N/A
2012HyundaiTucson2.0LL4N/A
2012KiaForte2.4LL4N/A
2012KiaForte2.0LL4N/A
2012KiaForte Koup2.4LL4N/A
2012KiaForte Koup2.0LL4N/A
2012KiaForte52.4LL4N/A
2012KiaForte52.0LL4N/A
2012KiaOptima2.4LL4GASN/A
2012KiaOptima2.0LL4N/A
2012KiaSorento2.4LL4N/A
2012KiaSportage2.4LL4N/A
2012KiaSportage2.0LL4N/A
2011HyundaiSanta Fe2.4LL4N/A
2011HyundaiSonata2.4LL4GASN/A
2011HyundaiSonata2.0LL4N/A
2011HyundaiTucson2.4LL4N/A
2011HyundaiTucson2.0LL4N/A
2011KiaForte2.4LL4N/A
2011KiaForte2.0LL4N/A
2011KiaForte Koup2.4LL4N/A
2011KiaForte Koup2.0LL4N/A
2011KiaOptima2.4LL4GASN/A
2011KiaOptima2.0LL4N/A
2011KiaSorento2.4LL4N/A
2011KiaSportage2.4LL4N/A
2011KiaSportage2.0LL4N/A
2010HyundaiSanta Fe2.4LL4N/A
2010HyundaiSonata2.4LL4N/A
2010HyundaiTucsonN/A
2010KiaForte2.4LL4N/A
2010KiaForte2.0LL4N/A
2010KiaForte Koup2.4LL4N/A
2010KiaForte Koup2.0LL4N/A
2010KiaMagentis2.4LL4N/A
2010KiaOptima2.4LL4N/A
2010KiaRondo2.4LL4N/A
2009HyundaiSonata2.4LL4N/A
2009KiaMagentis2.4LL4N/A
2009KiaOptima2.4LL4N/A
2009KiaRondo2.4LL4N/A
2008HyundaiSonata2.4LL4N/A
2008KiaMagentis2.4LL4N/A
2008KiaOptima2.4LL4N/A
2008KiaRondo2.4LL4N/A
2007HyundaiSonata2.4LL4N/A
2007KiaMagentis2.4LL4N/A
2007KiaOptima2.4LL4N/A
2007KiaRondo2.4LL4N/A
2006HyundaiSonata2.4LL4N/A
2006KiaOptima2.4LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

39071

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.