Dorman 420-180 Engine Timing Belt Tensioner

Engine Timing Belt Tensioner for Chrysler and Dodge

This Dorman engine timing belt tensioner is a standard replacement for select Chrysler, Dodge, and Plymouth applications. Part number 420-180 is built to match the original fit and function on covered vehicles, with a hydraulic automatic design for consistent belt tension control.

Key Features

• Direct replacement timing belt tensioner for specified applications
• Automatic hydraulic tensioner style for steady belt load management
• Ductile iron body for strength and durability
• Cast steel contact surface for dependable belt contact
• Standard replacement grade for routine service work
• Brand: Dorman, Part Number: 420-180

Detailed Description

Dorman 420-180 is an engine timing belt tensioner engineered to match the fit and function of the original tensioner on select Chrysler 300M, Concorde, LHS, New Yorker, Prowler, and Dodge Intrepid models. It uses a hydraulic automatic tensioner style to maintain proper timing belt tension as engine conditions change, helping preserve correct belt tracking and timing system operation. The ductile iron construction and cast steel contact surface support long-term service in the valve train area. This part cross-references Gates T43192 for the same application.

What It Helps Address

• Timing belt slack or inconsistent belt tension
• Noise from a worn or failing tensioner assembly
• Timing belt tracking issues caused by weak hydraulic tension control
• Service replacement on high-mileage Chrysler Concorde or Dodge Intrepid timing systems
• Restoration of proper belt tension after timing belt service

Installation Notes and Tips

Verify engine application before installation, since fitment varies by year and model. This part is not adjustable and does not include a pulley or bracket. Inspect the timing belt, idlers, and related wear components during service, and replace any parts showing damage or uneven wear. For covered vehicles, use the exact fitment listing: Fits 1999-2002 Chrysler 300M, N/A; Fits 1993-2002 Chrysler Concorde, N/A; Fits 2001-2002 Chrysler Prowler, N/A; Fits 1993-2002 Dodge Intrepid, N/A; Fits 1999-2001 Chrysler LHS, N/A; Fits 1994-1997 Chrysler LHS, N/A; Fits 1999-2001 Plymouth Prowler, N/A; Fits 1997 Plymouth Prowler, N/A; Fits 1994-1996 Chrysler New Yorker, N/A.

Quality Assurance

Dorman designs this timing belt tensioner as a standard replacement part made from quality materials for reliable performance and durability. Part number 420-180 is built to meet the needs of the specified Chrysler, Dodge, and Plymouth timing belt applications.