Dorman 420-106 Engine Timing Belt Tensioner

Dorman 420-106 Engine Timing Belt Tensioner

The Dorman 420-106 engine timing belt tensioner is a standard replacement for select Mitsubishi, Chrysler, and Dodge applications. It matches the fit and function of the original tensioner and uses quality materials for dependable timing belt control.

Key Features

• Automatic hydraulic tensioner style for consistent belt tension
• Standard replacement design for OE-style fit and function
• Quality materials selected for durability in engine service
• No pulley included
• No bracket included
• Direct replacement for timing belt service on select 1994-2010 vehicles

Detailed Description

Built for engine timing belt systems, this Dorman 420-106 tensioner helps maintain proper belt tension on applications such as Mitsubishi Eclipse, Galant, Endeavor, Diamante, Montero Sport, and Montero, along with Chrysler Sebring, Cirrus, and Dodge Stratus and Avenger models. It is engineered as an automatic hydraulic tensioner to match the original component’s operating style and support stable timing belt performance.

This part cross-references Dayco 85010 and Gates T43190 for the same application. The Dorman 420-106 is a practical OE-style replacement when servicing timing belt components on Mitsubishi Eclipse and Galant models, as well as related Chrysler and Dodge vehicles listed in the fitment data.

Common Problems It Can Help Address

• Timing belt slack caused by a worn hydraulic tensioner
• Noise from a tensioner that no longer maintains steady pressure
• Uneven belt loading during timing belt service
• Loss of proper belt tension after extended engine use
• Replacement needs during timing belt maintenance on Mitsubishi, Chrysler, and Dodge engines

Installation Notes and Tips

Install the tensioner during timing belt service and verify that the belt routing matches the vehicle service procedure. Inspect the belt, idlers, and related timing components before reassembly, and confirm correct alignment after installation. Use the vehicle-specific service manual for torque values and timing marks.

Quality Assurance

Dorman designs this timing belt tensioner to match original fit and function on specified applications. It is made from quality materials and built as a standard replacement part for reliable engine service.