Vaico V40-0666 Accessory Drive Belt Tensioner Assembly - Accessory Drive

Accessory Drive Belt Tensioner for GM Applications

Vaico V40-0666 is an accessory drive belt tensioner assembly built for vehicles that use a V-ribbed belt system. With an 82.5 mm outer diameter, 82.5 mm width, and 22 mm height, it matches the dimensional profile needed for the listed GM and Saab applications. This part number V40-0666 is a direct-fit replacement for many Buick, Chevrolet, GMC, Pontiac, Saturn, and Saab models.

Key Features

• Accessory drive belt tensioner assembly for V-ribbed belt systems
• 82.5 mm outer diameter and 82.5 mm width
• 22 mm overall height
• Weight: 0.688 kg
• OE reference: 90537585
• Part number: V40-0666

Fitment and Application

Compatible with a wide range of GM and Saab vehicles, including Fits 2015-2017 Buick Regal, N/A; Fits 2012 Buick Regal, N/A; Fits 2012-2017 Buick Verano, N/A; Fits 2010-2017 Chevrolet Equinox, N/A; Fits 2017 GMC Terrain, N/A; Fits 2010-2015 GMC Terrain, N/A; Fits 2004-2012 Chevrolet Malibu, N/A; Fits 2011 Buick LaCrosse, N/A; Fits 2006-2011 Chevrolet HHR, N/A; Fits 2003-2011 Saab 9-3, N/A; Fits 2005-2010 Chevrolet Cobalt, N/A; Fits 2007-2010 Pontiac G5, N/A; Fits 2006-2010 Pontiac G6, N/A; Fits 2007-2010 Saturn Sky, Accessory Drive; Fits 2002-2010 Saturn Vue, N/A; Fits 2006-2009 Pontiac Solstice, Accessory Drive; Fits 2008-2009 Saturn Aura, N/A; Fits 2003-2007 Saturn Ion, 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 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; Fits 2000 Saturn LS, N/A; Fits 2000 Saturn LS1, N/A; Fits 2000 Saturn LW1, N/A.

This part cross-references Gates (e.g., 21061, 38177) for the same application.

What This Part Helps Address

• Belt slack or inconsistent belt tension
• Squealing or chirping from the accessory drive belt area
• Uneven belt tracking on the serpentine/V-ribbed belt path
• Reduced accessory drive performance caused by worn tensioning components
• Service replacement for OE number 90537585 applications

Installation Notes and Tips

Verify belt routing, pulley alignment, and OE number match before installation. Inspect the accessory drive belt, idler pulleys, and related components for wear at the same time, especially on higher-mileage Buick Regal, Chevrolet Equinox, and Saab 9-3 applications. Confirm the tensioner mounting points and belt path are clean and free of debris before final assembly.

Quality Assurance

VAICO supplies aftermarket replacement parts engineered to match the listed application requirements and dimensional specifications. Part number V40-0666 is cataloged for the confirmed fitment shown above and references OE number 90537585.