Homeβ€Ί Belts and Cooling > Accessory Drive Belt System Componentsβ€Ί Continental 49186 Accessory Drive Belt Tensioner Pulley - Accessory Drive
Part #: 49186

Continental 49186 Accessory Drive Belt Tensioner Pulley - Accessory Drive

Accessory Drive
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πŸš—Fitment: Chevrolet, Ford, GMC, Hummer, Mazda, and Mercury, 6, Contour, Cougar, Express 2500, Express 3500, H1, Mystique, Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, and Silverado 3500 HD
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Overview of Continental Accessory Drive Belt Tensioner Pulley 49186

The Continental Accessory Drive Belt Tensioner Pulley, part number 49186, is engineered to maintain optimal tension in the accessory drive belt system. Designed for compatibility with select Chevrolet, Ford, GMC, Hummer, Mazda, and Mercury vehicles, this pulley ensures reliable belt operation and component longevity.

  • Flanged Pulley 1 with 6 grooves for enhanced belt grip
  • Grooved bore diameter for secure mounting
  • Steel construction for durability and strength
  • Mount hole diameter of 2.77 inches for precise fitment
  • Non-flanged Pulley 2 with a 0.91-inch width
  • Surface type designed for consistent belt contact and reduced wear

Technical Details and Construction

The Continental 49186 accessory drive belt tensioner pulley features a flanged Pulley 1 with six grooves, providing effective belt alignment and tension. The grooved bore diameter enhances secure installation, while the steel material construction offers resistance to wear and mechanical stress. Pulley 1’s mount hole diameter measures 2.77 inches, ensuring compatibility with specific tensioner assemblies. Pulley 2 is non-flanged with a width of 0.91 inches, designed to maintain smooth belt operation. The pulley surface type is optimized to reduce belt slippage and extend component life.

Compatible Vehicles and Applications

This tensioner pulley is compatible with a range of vehicles including Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, Sierra 3500, Ford Express 2500, Express 3500, Hummer H1, Mazda 6, Mercury Mystique, and others. It is suitable for models such as the Chevrolet Silverado 3500 Classic, GMC Sierra 3500 Classic, and Chevrolet Savana 2500 and 3500 series. The part number 49186 is specifically designed to meet the accessory drive belt system requirements of these vehicles.

Common Issues Addressed by This Pulley

  • Eliminates belt slippage caused by worn or damaged pulleys
  • Prevents premature belt wear due to improper tension
  • Reduces noise and vibration from accessory drive components
  • Maintains proper alignment of the accessory drive belt
  • Supports reliable operation of alternator, power steering, and AC compressor belts

Installation Notes and Tips

When installing the Continental 49186 tensioner pulley, ensure the mounting surface is clean and free of debris. Verify the mount hole diameter matches the tensioner assembly to avoid misalignment. Use appropriate tools to avoid damaging the pulley or belt during installation. It is recommended to inspect the accessory drive belt for wear and replace if necessary to ensure optimal performance.

Quality Assurance and Warranty

Continental manufactures the 49186 accessory drive belt tensioner pulley to meet strict quality standards, using durable steel materials and precision engineering. While specific warranty details are not provided, Continental products typically adhere to industry standards for reliability and performance. For detailed warranty information, consult the product documentation or manufacturer resources.

BrandContinental
Part Number49186
Pulley 1 Flanged6
Component Type1
Component TypeN
Pulley 1 Bore DiameterGrooved
Pulley 1 WidthSteel
Pulley 1 Mount Hole Diameter2.77
Pulley 2 Outside DiameterNon-flanged
Pulley 2 Material0.91
Pulley Surface Type0.670

This part fits 125 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2017ChevroletSilverado 2500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2017ChevroletSilverado 3500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2017GMCSierra 2500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2017GMCSierra 3500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2016ChevroletExpress 25006.6LV8DIESELAccessory DriveGrooved Pulley
2016ChevroletExpress 35006.6LV8DIESELAccessory DriveGrooved Pulley
2016ChevroletSilverado 2500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2016ChevroletSilverado 3500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2016GMCSavana 25006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2016GMCSavana 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2016GMCSierra 2500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2016GMCSierra 3500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2015ChevroletExpress 25006.6LV8DIESELAccessory DriveGrooved Pulley
2015ChevroletExpress 35006.6LV8DIESELAccessory DriveGrooved Pulley
2015ChevroletSilverado 2500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2015ChevroletSilverado 3500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2015GMCSavana 25006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2015GMCSavana 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2015GMCSierra 2500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2015GMCSierra 3500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2014ChevroletExpress 25006.6LV8DIESELAccessory DriveGrooved Pulley
2014ChevroletExpress 35006.6LV8DIESELAccessory DriveGrooved Pulley
2014ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2014ChevroletSilverado 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2014GMCSavana 25006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2014GMCSavana 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2014GMCSierra 2500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2014GMCSierra 3500 HD6.6LV8Accessory DriveSteel Pulley Upgrade; Grooved Pulley
2013ChevroletExpress 25006.6LV8DIESELAccessory DriveGrooved Pulley
2013ChevroletExpress 35006.6LV8DIESELAccessory DriveGrooved Pulley
2013ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2013ChevroletSilverado 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2013GMCSavana 25006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2013GMCSavana 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2013GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2013GMCSierra 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2012ChevroletExpress 25006.6LV8DIESELAccessory DriveGrooved Pulley
2012ChevroletExpress 35006.6LV8DIESELAccessory DriveGrooved Pulley
2012ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2012ChevroletSilverado 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2012GMCSavana 25006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2012GMCSavana 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2012GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2012GMCSierra 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2011ChevroletExpress 25006.6LV8DIESELAccessory DriveGrooved Pulley
2011ChevroletExpress 35006.6LV8DIESELAccessory DriveGrooved Pulley
2011ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2011ChevroletSilverado 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2011GMCSavana 25006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2011GMCSavana 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2011GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2011GMCSierra 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2010ChevroletExpress 25006.6LV8DIESELAccessory DriveGrooved Pulley
2010ChevroletExpress 35006.6LV8DIESELAccessory DriveGrooved Pulley
2010ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2010ChevroletSilverado 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2010GMCSavana 25006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2010GMCSavana 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2010GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2010GMCSierra 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2009ChevroletExpress 25006.6LV8DIESELAccessory DriveGrooved Pulley
2009ChevroletExpress 35006.6LV8DIESELAccessory DriveGrooved Pulley
2009ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2009ChevroletSilverado 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2009GMCSavana 25006.6LV8DIESELAccessory DriveGrooved Pulley
2009GMCSavana 25006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2009GMCSavana 35006.6LV8DIESELAccessory DriveGrooved Pulley
2009GMCSavana 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2009GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2009GMCSierra 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2008ChevroletExpress 25006.6LV8DIESELAccessory DriveGrooved Pulley
2008ChevroletExpress 35006.6LV8DIESELAccessory DriveGrooved Pulley
2008ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2008ChevroletSilverado 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2008GMCSavana 25006.6LV8DIESELAccessory DriveGrooved Pulley
2008GMCSavana 35006.6LV8DIESELAccessory DriveGrooved Pulley
2008GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2008GMCSierra 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2008Mazda63.0LV6Accessory DriveGrooved Pulley
2007ChevroletExpress 25006.6LV8DIESELAccessory DriveGrooved Pulley
2007ChevroletExpress 35006.6LV8DIESELAccessory DriveGrooved Pulley
2007ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2007ChevroletSilverado 2500 HD Classic6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2007ChevroletSilverado 3500 Classic6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2007ChevroletSilverado 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2007GMCSavana 25006.6LV8DIESELAccessory DriveGrooved Pulley
2007GMCSavana 35006.6LV8DIESELAccessory DriveGrooved Pulley
2007GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2007GMCSierra 2500 HD Classic6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2007GMCSierra 3500 Classic6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2007GMCSierra 3500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2007Mazda6S3.0LV6Accessory DriveGrooved Pulley
2006ChevroletExpress 25006.6LV8DIESELAccessory DriveGrooved Pulley
2006ChevroletExpress 35006.6LV8DIESELAccessory DriveGrooved Pulley
2006ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2006ChevroletSilverado 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2006GMCSavana 25006.6LV8DIESELAccessory DriveGrooved Pulley
2006GMCSavana 35006.6LV8DIESELAccessory DriveGrooved Pulley
2006GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2006GMCSierra 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2006HummerH16.6LV8DIESELAccessory DriveGrooved Pulley
2005ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2005ChevroletSilverado 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2005GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2005GMCSierra 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2004ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2004ChevroletSilverado 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2004GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2004GMCSierra 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2003ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2003ChevroletSilverado 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2003GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2003GMCSierra 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2002ChevroletSilverado 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2002ChevroletSilverado 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2002GMCSierra 2500 HD6.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2002GMCSierra 35006.6LV8DIESELAccessory DriveSteel Pulley Upgrade; Grooved Pulley
2000FordContour2.5LV6Accessory DriveGrooved Pulley
2000MercuryCougar2.5LV6Accessory DriveGrooved Pulley
2000MercuryMystique2.5LV6Accessory DriveGrooved Pulley
1999FordContour2.5LV6Accessory DriveGrooved Pulley
1999MercuryCougar2.5LV6Accessory DriveGrooved Pulley
1999MercuryMystique2.5LV6Accessory DriveGrooved Pulley
1998FordContour2.5LV6Accessory DriveGrooved Pulley
1998MercuryMystique2.5LV6Accessory DriveGrooved Pulley

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

30525936239381723M4E 6C348 CB3M4E6C348CB3M4Z 6C348 CA3M4Z6C348CA455415745877897288625089732906209728862597329062AJ5715940AB006EH66QKF83Z 6C348 AAF83Z6C348AAGT38172VKM999041

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.