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Continental 49257 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 49257, is designed for reliable performance in Ford Explorer and Mercury Mountaineer vehicles. This tensioner assembly ensures proper belt tension and smooth operation of accessory drive components.
- Single non-flanged steel pulley with a 0.670 inch bore diameter
- Pulley outside diameter measures 3.94 inches
- Pulley width of 1.20 inches for optimal belt engagement
- Smooth pulley surface to reduce belt wear
- Compatible with Ford Explorer and Mercury Mountaineer models
Detailed Product Features and Specifications
This accessory drive belt tensioner assembly features a single steel pulley constructed without flanges, providing a smooth surface that minimizes belt abrasion and extends belt life. The pulley’s bore diameter of 0.670 inches and an outside diameter of 3.94 inches are engineered to maintain precise belt alignment and tension. With a pulley width of 1.20 inches, this component supports consistent belt tracking and efficient power transmission to engine accessories.
The tensioner is part of Continental’s Multi-V product line, which focuses on durable and reliable belt system components designed to meet or exceed OEM specifications. The Multi-V line emphasizes quality materials and precise engineering to ensure compatibility and performance in demanding automotive applications.
Compatible Vehicles and Applications
- Designed specifically for Ford Explorer models requiring part number 49257
- Compatible with Mercury Mountaineer vehicles needing this accessory drive belt tensioner assembly
- Ideal for addressing issues related to belt tension and accessory drive system performance
Common Issues Addressed by This Tensioner Assembly
- Eliminates belt slippage caused by improper tension
- Prevents premature belt wear due to misalignment
- Reduces noise from accessory drive belt system
- Maintains consistent tension for optimal accessory function
- Helps avoid engine accessory failures linked to belt system problems
Installation Notes and Tips
When installing the Continental Multi-V Accessory Drive Belt Tensioner Assembly (part number 49257), ensure the pulley aligns correctly with the belt path to prevent premature wear. Verify the bore diameter matches the mounting shaft for secure fitment. Use appropriate tools to apply correct tension and avoid over-tightening, which can damage the belt or tensioner components.
Quality Assurance and Warranty Information
Continental’s Multi-V tensioner assemblies are manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details are not provided here, Continental products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to official Continental documentation for exact warranty terms.
| Brand | Continental |
| Part Number | 49257 |
| Position | Multi-V, Accessory Drive |
| Pulley 1 Flanged | Non-flanged |
| Pulley Quantity | 1 |
| Pulley 1 Bore Diameter | 0.670 |
| Pulley 1 Outside Diameter | 3.94 |
| Pulley 1 Width | 1.20 |
| Pulley 1 Material | Steel |
| Pulley 2 Groove Quantity | 0 |
| Pulley Surface Type | 0 |
| Pulley Surface Type | Smooth |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Ford | Explorer | 5.0L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 2001 | Mercury | Mountaineer | 5.0L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 2000 | Ford | Explorer | 5.0L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 2000 | Mercury | Mountaineer | 5.0L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 1999 | Ford | Explorer | 5.0L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 1999 | Mercury | Mountaineer | 5.0L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 1998 | Ford | Explorer | 5.0L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 1998 | Mercury | Mountaineer | 5.0L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 1997 | Ford | Explorer | 5.0L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 1997 | Mercury | Mountaineer | 5.0L | V8 | Accessory Drive | Smooth Pulley; Multi-V |
| 1996 | Ford | Explorer | 5.0L | 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.