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Continental 49426 Accessory Drive Belt Tensioner Assembly
Overview of Continental Multi-V Accessory Drive Belt Tensioner Assembly
The Continental Multi-V Accessory Drive Belt Tensioner Assembly, part number 49426, is designed specifically for Infiniti FX45, M45, and Q45 models. This tensioner assembly ensures proper belt tension and smooth operation of the accessory drive system, contributing to reliable engine performance.
- Compatible with Infiniti FX45, M45, and Q45 vehicles
- Single non-flanged steel pulley with a 0.670 inch bore diameter
- Pulley outside diameter measures 3.15 inches with a width of 1.22 inches
- Features a smooth pulley surface for optimal belt contact
- Part of the Continental Multi-V product line for accessory drive belt components
Detailed Product Features and Specifications
This accessory drive belt tensioner assembly includes one steel pulley that is non-flanged, providing a smooth surface to maintain consistent belt alignment and reduce wear. The pulley’s bore diameter of 0.670 inches and outside diameter of 3.15 inches are engineered to match the specific requirements of the Infiniti FX45, M45, and Q45 models. The pulley width of 1.22 inches supports proper belt seating and tension. The smooth pulley surface type helps minimize friction and noise during operation.
The Continental Multi-V product line focuses on delivering durable and precise belt system components designed to maintain optimal accessory drive performance. This tensioner assembly is engineered to meet the exact specifications required for the accessory drive belt system in compatible Infiniti vehicles.
Applications and Common Issues Addressed
- Maintains correct tension on the accessory drive belt to prevent slippage
- Reduces belt noise caused by misalignment or wear
- Prevents premature belt wear and extends belt life
- Ensures smooth operation of engine accessories such as alternator and power steering
- Replaces worn or damaged tensioner assemblies in Infiniti FX45, M45, and Q45
Installation Notes and Tips
When installing the Continental Multi-V Accessory Drive Belt Tensioner Assembly (part number 49426), ensure the pulley aligns correctly with the belt path to avoid misalignment. Verify the pulley bore diameter and width match the vehicle’s specifications. Use proper tools to apply tension and avoid damaging the pulley surface. Refer to the vehicle’s service manual for torque specifications and installation procedures specific to Infiniti FX45, M45, and Q45 models.
Quality Assurance and Warranty Information
Continental manufactures the Multi-V line with strict quality control standards to ensure durability and reliable performance. The steel pulley construction provides strength and resistance to wear. While specific warranty details are not provided here, Continental typically offers coverage against manufacturing defects. Consult the product packaging or Continental’s official resources for warranty terms related to part number 49426.
| Brand | Continental |
| Part Number | 49426 |
| Position | Multi-V, Alternator and Air Conditioning, Accessory Drive, and Water Pump, Alternator and Air Conditioning |
| Pulley 1 Flanged | Non-flanged |
| Pulley Quantity | 1 |
| Pulley 1 Bore Diameter | 0.670 |
| Pulley 1 Outside Diameter | 3.15 |
| Pulley 1 Width | 1.22 |
| Pulley 1 Material | Steel |
| Pulley 2 Groove Quantity | 0 |
| Pulley Surface Type | 0 |
| Pulley Surface Type | Smooth |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | INFINITI | M45 | 4.5L | V8 | Water Pump, Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2009 | INFINITI | M45 | 4.5L | V8 | Water Pump, Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2008 | INFINITI | FX45 | 4.5L | V8 | Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2008 | INFINITI | M45 | 4.5L | V8 | Water Pump, Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2007 | INFINITI | FX45 | 4.5L | V8 | Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2007 | INFINITI | M45 | 4.5L | V8 | Water Pump, Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2006 | INFINITI | FX45 | 4.5L | V8 | Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2006 | INFINITI | M45 | 4.5L | V8 | Water Pump, Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2006 | INFINITI | Q45 | 4.5L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 2005 | INFINITI | FX45 | 4.5L | V8 | Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2005 | INFINITI | Q45 | 4.5L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 2004 | INFINITI | FX45 | 4.5L | V8 | Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2004 | INFINITI | M45 | 4.5L | V8 | Water Pump, Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2004 | INFINITI | Q45 | 4.5L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 2003 | INFINITI | FX45 | 4.5L | V8 | Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2003 | INFINITI | M45 | 4.5L | V8 | Water Pump, Alternator and Air Conditioning | Smooth Pulley; Multi-V |
| 2003 | INFINITI | Q45 | 4.5L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 2002 | INFINITI | Q45 | 4.5L | V8 | Accessory Drive | Smooth Pulley; 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.