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Continental 49186 Accessory Drive Belt Tensioner Pulley - Accessory Drive
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 1βs 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.
| Brand | Continental |
| Part Number | 49186 |
| Pulley 1 Flanged | 6 |
| Component Type | 1 |
| Component Type | N |
| Pulley 1 Bore Diameter | Grooved |
| Pulley 1 Width | Steel |
| Pulley 1 Mount Hole Diameter | 2.77 |
| Pulley 2 Outside Diameter | Non-flanged |
| Pulley 2 Material | 0.91 |
| Pulley Surface Type | 0.670 |
This part fits 125 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2017 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2017 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2017 | GMC | Sierra 2500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2017 | GMC | Sierra 3500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2016 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2016 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2016 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2016 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2016 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2016 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2016 | GMC | Sierra 2500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2016 | GMC | Sierra 3500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2015 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2015 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2015 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2015 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2015 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2015 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2015 | GMC | Sierra 2500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2015 | GMC | Sierra 3500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2014 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2014 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2014 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2014 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2014 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2014 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2014 | GMC | Sierra 2500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2014 | GMC | Sierra 3500 HD | 6.6L | V8 | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | ||
| 2013 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2013 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2013 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2013 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2013 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2013 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2013 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2013 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2012 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2012 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2012 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2012 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2012 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2012 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2012 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2012 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2011 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2011 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2011 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2011 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2011 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2011 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2011 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2011 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2010 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2010 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2010 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2010 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2010 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2010 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2010 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2010 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2009 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2009 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2009 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2009 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2009 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2009 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2009 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2009 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2009 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2009 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2008 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2008 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2008 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2008 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2008 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2008 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2008 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2008 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2008 | Mazda | 6 | 3.0L | V6 | Accessory Drive | Grooved Pulley | ||
| 2007 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2007 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2007 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2007 | Chevrolet | Silverado 3500 Classic | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2007 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2007 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2007 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2007 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2007 | GMC | Sierra 2500 HD Classic | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2007 | GMC | Sierra 3500 Classic | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2007 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2007 | Mazda | 6 | S | 3.0L | V6 | Accessory Drive | Grooved Pulley | |
| 2006 | Chevrolet | Express 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2006 | Chevrolet | Express 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2006 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2006 | Chevrolet | Silverado 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2006 | GMC | Savana 2500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2006 | GMC | Savana 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2006 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2006 | GMC | Sierra 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2006 | Hummer | H1 | 6.6L | V8 | DIESEL | Accessory Drive | Grooved Pulley | |
| 2005 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2005 | Chevrolet | Silverado 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2005 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2005 | GMC | Sierra 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2004 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2004 | Chevrolet | Silverado 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2004 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2004 | GMC | Sierra 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2003 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2003 | Chevrolet | Silverado 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2003 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2003 | GMC | Sierra 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2002 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2002 | Chevrolet | Silverado 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2002 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2002 | GMC | Sierra 3500 | 6.6L | V8 | DIESEL | Accessory Drive | Steel Pulley Upgrade; Grooved Pulley | |
| 2000 | Ford | Contour | 2.5L | V6 | Accessory Drive | Grooved Pulley | ||
| 2000 | Mercury | Cougar | 2.5L | V6 | Accessory Drive | Grooved Pulley | ||
| 2000 | Mercury | Mystique | 2.5L | V6 | Accessory Drive | Grooved Pulley | ||
| 1999 | Ford | Contour | 2.5L | V6 | Accessory Drive | Grooved Pulley | ||
| 1999 | Mercury | Cougar | 2.5L | V6 | Accessory Drive | Grooved Pulley | ||
| 1999 | Mercury | Mystique | 2.5L | V6 | Accessory Drive | Grooved Pulley | ||
| 1998 | Ford | Contour | 2.5L | V6 | Accessory Drive | Grooved Pulley | ||
| 1998 | Mercury | Mystique | 2.5L | V6 | Accessory Drive | Grooved 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.