Dorman 419-015 Accessory Drive Belt Tensioner Assembly - Main Drive

Dorman 419-015 Belt Tensioner Assembly

Dorman 419-015 is an accessory drive belt tensioner assembly built to match the fit and function of the original equipment unit on specified vehicles. It uses quality components for durability and has been extensively tested for reliable operation in serpentine belt systems.

• Accessory drive belt tensioner assembly for serpentine belt applications
• OE-style fit and function for specified vehicles
• Composite pulley with one pulley bearing
• Counter-clockwise tensioner rotation
• Designed for direct replacement service on GM and Saab applications

Fitment and Vehicle Coverage

• Fits 2017 Buick Regal, N/A
• Fits 2012-2017 Buick Verano, N/A
• Fits 2010-2017 Chevrolet Equinox, N/A
• Fits 2010-2017 GMC Terrain, N/A
• Fits 2014 Buick Verano, N/A, L4 145CID 2.4L (2384cc)
• Fits 2004-2012 Chevrolet Malibu, N/A
• Fits 2011 Buick LaCrosse, N/A
• Fits 2006-2011 Chevrolet HHR, N/A
• Fits 2005-2011 Saab 9-3, N/A
• Fits 2010-2011 Saab 9-3X, N/A
• Fits 2005-2010 Chevrolet Cobalt, N/A
• Fits 2007-2010 Pontiac G5, N/A
• Fits 2006-2010 Pontiac G6, N/A
• Fits 2009-2010 Pontiac Vibe, N/A
• Fits 2007-2010 Saturn Sky, Main Drive
• Fits 2002-2010 Saturn Vue, N/A
• Fits 2006-2009 Pontiac Solstice, Main Drive
• Fits 2008-2009 Saturn Aura, N/A
• Fits 2008 Chevrolet Captiva Sport, N/A
• Fits 2003-2007 Saturn Ion, N/A
• Fits 2005-2006 Pontiac G4, N/A
• Fits 2005-2006 Pontiac Pursuit, N/A
• Fits 2002-2005 Chevrolet Cavalier, N/A
• Fits 2004-2005 Chevrolet Classic, N/A
• Fits 2002-2005 Chevrolet LUV, N/A
• Fits 2002-2005 Pontiac Grand Am, N/A
• Fits 2002-2005 Pontiac Sunfire, N/A
• Fits 2002-2004 Oldsmobile Alero, N/A
• Fits 2004 Saturn L300, N/A
• Fits 2001-2003 Saturn L200, N/A
• Fits 2001-2003 Saturn LW200, N/A
• Fits 2001-2002 Saturn L100, N/A

Detailed Description

This belt tensioner assembly maintains proper serpentine belt tension to help the accessory drive system operate as designed. The pulley uses a composite construction with a 40 mm bearing diameter, and the assembly is specified with a 17 mm inside diameter, 21.8 mm and 22 mm width references, and an 82 mm outside diameter. Dorman 419-015 is a direct-fit replacement for many Chevrolet, Buick, GMC, Pontiac, Saturn, and Saab models, including Chevrolet Equinox, GMC Terrain, and Buick Verano applications.

This part cross-references Gates 38177 for the same application.

Common Problems This Part Addresses

• Serpentine belt noise caused by weak or worn tensioner spring pressure
• Belt flutter or inconsistent belt tracking in the accessory drive system
• Visible pulley wear, rough bearing operation, or tensioner movement issues
• Accessory drive belt slip that can affect charging, cooling, or power steering operation
• Replacement needs after the original tensioner reaches end of service life

Installation Notes and Tips

Verify belt routing, pulley alignment, and tensioner rotation before installation. This assembly is specified for counter-clockwise rotation and is used in serpentine belt systems, including Main Drive applications on select Saturn and Pontiac models. Confirm the vehicle’s engine configuration and application details against the fitment list before ordering, especially on models such as Chevrolet Malibu, Chevrolet HHR, and Pontiac G6.

Quality Assurance

Dorman designs this replacement tensioner to match original equipment fit and function, then tests it for dependable performance. The component construction is selected for durability in everyday accessory drive service.