HomeEngine > Valve Train ComponentsDorman 420-106 Engine Timing Belt Tensioner
Part #: 420-106

Dorman 420-106 Engine Timing Belt Tensioner

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⚙️ 89 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mitsubishi, Chrysler, and Dodge, Eclipse, Endeavor, Galant, Sebring, Stratus, Diamante, Montero Sport, Cirrus, Avenger, and Montero
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Overview of Dorman Engine Timing Belt Tensioner 420-106

The Dorman 420-106 engine timing belt tensioner is designed for reliable performance in select Chrysler, Dodge, and Mitsubishi vehicles. This automatic hydraulic tensioner helps maintain proper timing belt tension, ensuring smooth engine operation for models like the Dodge Avenger and Mitsubishi Eclipse.

  • Automatic hydraulic tensioner style for consistent belt tension
  • Standard replacement grade for dependable durability
  • Includes one tensioner unit per package
  • Does not include bracket or pulley
  • Non-adjustable design for straightforward installation

Product Details and Specifications

The Dorman 420-106 is an automatic hydraulic engine timing belt tensioner engineered to maintain optimal tension on the timing belt without manual adjustment. This standard replacement part is built to meet OEM specifications, providing a reliable solution for timing belt maintenance. It is compatible with various Chrysler, Dodge, and Mitsubishi models including the Avenger, Cirrus, Diamante, Eclipse, Endeavor, Galant, Montero, Montero Sport, Sebring, and Stratus. The tensioner does not come with a bracket or pulley, so it is intended to replace the tensioner component only.

Compatible Vehicles and Applications

This timing belt tensioner is compatible with the following makes and models:

  • Chrysler Sebring, Cirrus, Stratus
  • Dodge Avenger, Intrepid
  • Mitsubishi Eclipse, Galant, Montero, Montero Sport, Diamante, Endeavor

Using the correct tensioner like the Dorman 420-106 ensures proper timing belt tension, which is critical for engine timing and performance in these vehicles.

Common Issues Addressed by This Timing Belt Tensioner

  • Eliminates timing belt slack that can cause engine misfires or poor performance
  • Prevents premature timing belt wear or failure
  • Reduces noise caused by loose or worn tensioners
  • Helps avoid costly engine damage from timing belt slippage
  • Maintains consistent belt tension for smooth engine operation

Installation Notes and Tips

Installation of the Dorman 420-106 tensioner requires removal of the old tensioner and proper alignment with the timing belt system. Since this tensioner is non-adjustable and automatic hydraulic, no manual tensioning is needed after installation. It is important to verify compatibility with your specific vehicle model and engine type before installation. Professional installation is recommended to ensure correct timing belt tension and engine timing.

Quality Assurance and Warranty

Dorman provides this engine timing belt tensioner as a standard replacement part manufactured to meet or exceed OEM standards. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Using a quality replacement tensioner like the 420-106 helps maintain engine reliability and timing system integrity.

BrandDorman
Part Number420-106
AdjustableNo
Bracket IncludedNo
Item GradeStandard Replacement
Package Contents1 Tensioner
Pulley IncludedNo
Tensioner StyleAutomatic - Hydraulic

This part fits 89 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010MitsubishiEclipse3.8LV6N/A
2010MitsubishiEndeavorN/A
2009MitsubishiEclipse3.8LV6N/A
2009MitsubishiGalant3.8LV6N/A
2008MitsubishiEclipse3.8LV6N/A
2008MitsubishiEndeavorN/A
2008MitsubishiGalant3.8LV6N/A
2007MitsubishiEclipse3.8LV6N/A
2007MitsubishiEndeavorN/A
2007MitsubishiGalant3.8LV6N/A
2006MitsubishiEclipse3.8LV6N/A
2006MitsubishiEndeavorN/A
2006MitsubishiGalant3.8LV6N/A
2005ChryslerSebring3.0LV6N/A
2005DodgeStratus3.0LV6N/A
2005MitsubishiEclipse3.0LV6N/A
2005MitsubishiEndeavorN/A
2005MitsubishiGalant3.8LV6N/A
2004ChryslerSebring3.0LV6N/A
2004DodgeStratus3.0LV6N/A
2004MitsubishiDiamanteN/A
2004MitsubishiEclipse3.0LV6N/A
2004MitsubishiEndeavor3.8LV6N/A
2004MitsubishiMontero Sport3.5LV6N/A
2003ChryslerSebring3.0LV6N/A
2003DodgeStratus3.0LV6N/A
2003MitsubishiDiamanteN/A
2003MitsubishiEclipse3.0LV6N/A
2003MitsubishiGalant3.0LV6N/A
2003MitsubishiMontero Sport3.0LV6N/A
2003MitsubishiMontero Sport3.5LV6N/A
2002ChryslerSebring3.0LV6N/A
2002DodgeStratus3.0LV6N/A
2002MitsubishiDiamanteN/A
2002MitsubishiEclipse3.0LV6N/A
2002MitsubishiGalant3.0LV6N/A
2002MitsubishiMontero Sport3.0LV6N/A
2002MitsubishiMontero Sport3.5LV6N/A
2001ChryslerSebring3.0LV6N/A
2001DodgeStratus3.0LV6N/A
2001MitsubishiDiamanteN/A
2001MitsubishiEclipse3.0LV6N/A
2001MitsubishiGalant3.0LV6N/A
2001MitsubishiMontero Sport3.0LV6N/A
2001MitsubishiMontero Sport3.5LV6N/A
2000ChryslerCirrus2.5LV6N/A
2000ChryslerSebring2.5LV6N/A
2000DodgeAvenger2.5LV6N/A
2000DodgeStratus2.5LV6N/A
2000MitsubishiDiamanteN/A
2000MitsubishiEclipse3.0LV6N/A
2000MitsubishiGalant3.0LV6N/A
2000MitsubishiMontero3.5LV6N/A
2000MitsubishiMontero Sport3.0LV6N/A
2000MitsubishiMontero Sport3.5LV6N/A
1999ChryslerCirrus2.5LV6N/A
1999ChryslerSebring2.5LV6N/A
1999DodgeAvenger2.5LV6N/A
1999DodgeStratus2.5LV6N/A
1999MitsubishiDiamanteN/A
1999MitsubishiGalant3.0LV6N/A
1999MitsubishiMontero3.5LV6N/A
1999MitsubishiMontero Sport3.0LV6N/A
1999MitsubishiMontero Sport3.5LV6N/A
1998ChryslerCirrus2.5LV6N/A
1998ChryslerSebring2.5LV6N/A
1998DodgeAvenger2.5LV6N/A
1998DodgeStratus2.5LV6N/A
1998MitsubishiDiamanteN/A
1998MitsubishiMontero3.5LV6N/A
1998MitsubishiMontero Sport3.0LV6N/A
1997ChryslerCirrus2.5LV6N/A
1997ChryslerSebring2.5LV6N/A
1997DodgeAvenger2.5LV6N/A
1997DodgeStratus2.5LV6N/A
1997MitsubishiDiamanteN/A
1997MitsubishiMontero3.5LV6N/A
1997MitsubishiMontero Sport3.0LV6N/A
1996ChryslerCirrus2.5LV6N/A
1996ChryslerSebring2.5LV6N/A
1996DodgeAvenger2.5LV6N/A
1996DodgeStratus2.5LV6N/A
1996MitsubishiMontero3.0LV6N/A
1995ChryslerCirrus2.5LV6N/A
1995ChryslerSebring2.5LV6N/A
1995DodgeAvenger2.5LV6N/A
1995DodgeStratus2.5LV6N/A
1995MitsubishiMontero3.0LV6N/A
1994MitsubishiMontero3.0LV6N/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:

024-122385010FD99205KR-114010MD197622SK420106T43190

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