Dorman 420-120 Engine Timing Chain Tensioner

Engine Timing Chain Tensioner for GM 2.2L Applications

Dorman 420-120 is an engine timing chain tensioner built to match the fit and function of the original unit on specified applications. It uses a steel, automatic mechanical design with an adjustable setup for dependable chain control in GM vehicles such as the Chevrolet Malibu, HHR, Cobalt, and Pontiac G6.

For drivers searching for a timing chain tensioner for 2004-2012 Chevrolet Malibu or a replacement timing chain tensioner for 2006-2011 Chevrolet HHR, this part is built as a standard replacement for the listed applications. Dorman 420-120 is also a direct-fit option for several Saturn, Pontiac, Buick, and Oldsmobile models.

Key Features

• Automatic mechanical timing chain tensioner design
• Steel construction for durability in engine service
• Adjustable configuration for specified applications
• Standard replacement part for OE-style fit and function
• Direct replacement for select Buick, Chevrolet, Pontiac, Saturn, and Oldsmobile vehicles

Detailed Description

This engine timing chain tensioner is engineered to replace the original tensioner on the listed vehicles and help maintain proper timing chain tension during engine operation. It is designed for applications across the 2000-2012 model years, including Chevrolet Malibu, Chevrolet Cobalt, Pontiac G6, Saturn Ion, and Buick LaCrosse. The part number 420-120 is also referenced in aftermarket catalogs for the same application, including SKP SK420120 and Nissens 95383.

Use Dorman 420-120 when you need a timing chain tensioner for GM 2.2L engine applications that require an OE-style replacement. This part number 420-120 is a practical choice for repair work on Chevrolet Malibu, Pontiac Solstice, and Saturn Vue timing systems where the original tensioner has worn or lost proper chain control.

Common Problems This Part Can Address

• Timing chain slack caused by a worn tensioner
• Engine noise related to inconsistent chain tension
• Timing system wear from a failing mechanical tensioner
• Loss of proper chain control in high-mileage engines
• Replacement needs during timing chain service on listed GM models

Installation Notes and Tips

Verify engine code and vehicle application before installation, since fitment varies by model and year. This tensioner does not include a mounting bracket, installation hardware, or installation instructions. Follow the vehicle service procedure for timing chain service, and inspect related timing components before reassembly.

Compatible With 2010-2012 Buick LaCrosse, N/A; 2011-2012 Buick Regal, N/A; 2004-2012 Chevrolet Malibu, N/A; 2006-2011 Chevrolet HHR, N/A; 2005-2010 Chevrolet Cobalt, N/A; 2006-2010 Pontiac G6, N/A; 2007-2010 Saturn Sky, N/A; 2007-2009 Pontiac G5, N/A; 2006-2009 Pontiac Solstice, N/A; 2007-2009 Saturn Aura, N/A; 2003-2007 Saturn Ion, N/A; 2002-2007 Saturn Vue, N/A; 2002-2005 Chevrolet Cavalier, N/A; 2002-2005 Pontiac Grand Am, N/A; 2002-2005 Pontiac Sunfire, N/A; 2002-2004 Oldsmobile Alero, N/A; 2004 Saturn Ion, N/A, L4 134CID 2.2L; 2004 Saturn L300, N/A; 2001-2003 Saturn L200, N/A; 2001-2003 Saturn LW200, N/A; 2001-2002 Saturn L100, N/A; 2000 Saturn LS, N/A; 2000 Saturn LS1, N/A; 2000 Saturn LW1, N/A.

Quality Assurance

Dorman 420-120 is manufactured as a standard replacement timing chain tensioner using quality materials for reliable performance and durability. It is built to match the original part’s fit and function on the specified applications.