Dorman 419-023 Accessory Drive Belt Tensioner Assembly

OE-Style Belt Tensioner for Hyundai and Kia

Dorman 419-023 is a replacement accessory drive belt tensioner assembly built to match the fit and function of the original equipment unit on specified Hyundai and Kia vehicles. It uses quality components for durability and has been tested for reliable operation in the accessory drive belt system.

• Replacement accessory drive belt tensioner assembly for OE-style fit and function
• Designed for V-belt applications
• Clockwise (CW) tensioner rotation
• Single plastic pulley with one bearing
• Pulley bearing diameter: 40 mm
• Outside diameter: 83 mm
• Inside diameter: 17 mm
• Cross-reference part numbers include Gates 38149 and Dayco 89304

Detailed Fitment and Application

This Dorman 419-023 belt tensioner assembly is used in accessory drive belt systems on select Hyundai Sonata, Santa Fe, Tiburon, and Tucson models, as well as Kia Optima, Magentis, and Sportage applications. It is a direct replacement choice for owners searching for a Hyundai Sonata belt tensioner, Kia Optima accessory drive belt tensioner, or a Dorman 419-023 replacement for Hyundai and Kia V-belt systems.

Compatible vehicle coverage includes Fits 1999-2005 Hyundai Sonata, N/A; Fits 2001-2006 Hyundai Santa Fe, N/A; Fits 2003-2008 Hyundai Tiburon, N/A; Fits 2005-2009 Hyundai Tucson, N/A; Fits 2001-2006 Kia Optima, N/A; Fits 2002-2006 Kia Magentis, N/A; and Fits 2005-2006 Kia Sportage, N/A.

What This Part Helps Address

• Belt slack caused by a worn tensioner assembly
• Noise from a failing pulley bearing in the accessory drive system
• Uneven belt tracking on V-belt applications
• Loss of proper belt tension on Hyundai and Kia engines
• Accessory drive belt service needs during maintenance or repair

Installation Notes and Tips

Verify belt type, pulley dimensions, and clockwise rotation before installation. Confirm the vehicle application against the listed fitment for your Hyundai Sonata, Santa Fe, Tiburon, Tucson, Kia Optima, Magentis, or Sportage. Inspect the belt and surrounding accessory drive components for wear before installing the new tensioner assembly.

Quality Assurance

Dorman engineers this replacement tensioner assembly to match OE fit and function, then tests it for dependable performance in real-world use. The design uses quality components selected for durability in the accessory drive belt system.