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Continental 49490 Accessory Drive Belt Tensioner Assembly - Accessory Drive
Overview of Continental Multi-V Accessory Drive Belt Tensioner Assembly
The Continental Multi-V Accessory Drive Belt Tensioner Assembly, part number 49490, is designed to maintain optimal tension in the accessory drive belt system. Engineered for select Nissan models including Altima, Maxima, Murano, and Quest, this tensioner assembly ensures reliable belt performance and longevity.
- Compatible with Nissan Altima, Maxima, Murano, and Quest models
- Includes one non-flanged steel pulley with smooth surface
- Pulley dimensions: 2.76 inches outside diameter, 1.36 inches width, 0.670 inch bore diameter
- Part of the Continental Multi-V product line for accessory drive belt systems
- Durable steel pulley designed for consistent belt engagement
Detailed Product Features and Specifications
This accessory drive belt tensioner assembly features a single steel pulley that is non-flanged and has a smooth surface type, which helps reduce belt wear and noise. The pulley measures 2.76 inches in outside diameter and 1.36 inches in width, with a bore diameter of 0.670 inches, ensuring precise fitment and alignment within the belt system. The steel construction provides strength and durability under continuous engine operation. The tensioner assembly is engineered specifically for Nissan vehicles, including the Altima, Maxima, Murano, and Quest, to maintain proper belt tension and prevent slippage.
The Multi-V product line by Continental focuses on components designed to optimize accessory drive belt performance. This tensioner assembly is part of that line, offering reliable tension control and compatibility with multi-ribbed belt systems commonly found in Nissan vehicles.
Applications and Common Issues Addressed
- Maintains correct tension in the accessory drive belt system
- Prevents belt slippage and associated engine accessory malfunctions
- Reduces belt noise caused by improper tension or pulley wear
- Helps avoid premature belt wear and potential engine overheating
- Ensures smooth operation of alternator, power steering, and air conditioning belts
Installation Notes and Tips
When installing the Continental Multi-V Accessory Drive Belt Tensioner Assembly (part number 49490), ensure the pulley aligns correctly with the belt path to avoid misalignment issues. Verify that the bore diameter matches the mounting shaft for a secure fit. It is recommended to inspect the accessory drive belt for wear and replace it if necessary during installation. Proper torque specifications should be followed to maintain tensioner integrity and performance.
Quality Assurance and Warranty Information
Continental manufactures the Multi-V tensioner assembly to meet OEM standards for fit, form, and function. The steel pulley and tensioner components undergo rigorous quality control to ensure durability and consistent performance. While specific warranty details are not provided here, Continental products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.
| Brand | Continental |
| Part Number | 49490 |
| Position | Multi-V, Accessory Drive |
| Pulley 1 Flanged | Non-flanged |
| Pulley Quantity | 1 |
| Pulley 1 Bore Diameter | 0.670 |
| Pulley 1 Outside Diameter | 2.76 |
| Pulley 1 Width | 1.36 |
| Pulley 1 Material | Steel |
| Pulley Surface Type | Smooth |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Nissan | Maxima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2014 | Nissan | Maxima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2014 | Nissan | Murano | 3.5L | V6 | Accessory Drive | Multi-V |
| 2013 | Nissan | Maxima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2013 | Nissan | Murano | 3.5L | V6 | Accessory Drive | Multi-V |
| 2013 | Nissan | Quest | 3.5L | V6 | Accessory Drive | Multi-V |
| 2012 | Nissan | Altima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2012 | Nissan | Maxima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2012 | Nissan | Murano | 3.5L | V6 | Accessory Drive | Multi-V |
| 2012 | Nissan | Quest | 3.5L | V6 | Accessory Drive | Multi-V |
| 2011 | Nissan | Altima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2011 | Nissan | Maxima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2011 | Nissan | Murano | 3.5L | V6 | Accessory Drive | Multi-V |
| 2011 | Nissan | Quest | 3.5L | V6 | Accessory Drive | Multi-V |
| 2010 | Nissan | Altima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2010 | Nissan | Maxima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2010 | Nissan | Murano | 3.5L | V6 | Accessory Drive | Multi-V |
| 2009 | Nissan | Altima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2009 | Nissan | Maxima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2009 | Nissan | Murano | 3.5L | V6 | Accessory Drive | Multi-V |
| 2008 | Nissan | Altima | 3.5L | V6 | Accessory Drive | Multi-V |
| 2007 | Nissan | Altima | 3.5L | V6 | Accessory Drive | Multi-V |
* 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.