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Gates 38409 Accessory Drive Belt Tensioner Assembly
Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner
The Gates DriveAlign Premium OE Automatic Belt Tensioner 38409 is engineered for precise belt tension control in Mazda 6 vehicles. Designed to maintain optimal tension on V-ribbed accessory drive belts, this tensioner assembly supports reliable engine accessory operation.
- Thermoplastic construction for durability and lightweight performance
- Single flanged pulley with 6 V-ribbed grooves
- Outside diameter of 70 mm (2.76 in) and width of 25 mm (0.98 in)
- Two mounting holes for secure installation
- Bearing bore inside diameter of 17 mm (0.67 in)
- OE exact comparison rating for direct replacement
Detailed Product Features and Specifications
This accessory drive belt tensioner assembly features a thermoplastic material that balances strength and weight, contributing to efficient engine operation. The pulley is flanged and includes six grooves designed specifically for V-ribbed belts, ensuring proper belt alignment and grip. With an outside diameter of 70 mm and a width of 25 mm, the tensioner fits precisely within the accessory drive system of Mazda 6 models. The bearing bore inside diameter measures 17 mm, supporting smooth pulley rotation and reducing wear. Two mounting holes provide a stable and secure fitment, matching original equipment specifications.
DriveAlign Premium OE Automatic Belt Tensioner Product Line
The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering components that meet original equipment standards. This product line emphasizes exact fitment and reliable performance, making it suitable for professional repairs and maintenance. The 38409 tensioner assembly is part of this line, ensuring compatibility and durability for Mazda 6 accessory drive belt systems.
Applications and Common Issues Addressed
- Maintains proper tension on V-ribbed accessory drive belts
- Prevents belt slippage and premature wear
- Reduces noise caused by loose or misaligned belts
- Supports smooth operation of engine accessories like alternators and power steering pumps
- Replaces worn or damaged belt tensioners in Mazda 6 vehicles
Installation Notes and Tips
When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 38409, ensure the mounting holes align precisely with the vehicle’s bracket. Use proper torque specifications to avoid over-tightening. Verify that the V-ribbed belt seats correctly within the six pulley grooves and that the flanged pulley prevents belt misalignment. Inspect the belt for wear during installation and replace if necessary to maintain system integrity.
Quality Assurance and Warranty
This Gates tensioner assembly is manufactured to meet OE standards, providing reliable performance and fitment for Mazda 6 models. The DriveAlign Premium OE Automatic Belt Tensioner 38409 undergoes rigorous quality control to ensure durability and function. Warranty details are provided by Gates and typically cover defects in materials and workmanship under normal use.
| Brand | Gates |
| Part Number | 38409 |
| Position | DriveAlign Premium OE Automatic Belt Tensioner |
| Bearing Bore Inside Diameter | .67 |
| Bearing Bore Inside Diameter | 17 |
| Bearing Bore Inside Diameter 1 (in) | .67 |
| Bearing Bore Inside Diameter 1 (mm) | 17 |
| Belt Type | V-Ribbed |
| Belt Type | V-Ribbed |
| Contact Surface | V-Ribbed Grooved |
| Contents | Tensioner Assy. |
| Groove Quantity | 6 |
| Material | Thermoplastic |
| Mounting Hole Quantity | 2 |
| Number of Grooves | 6 |
| OE Comparison Rating | OE Exact |
| Outside Diameter | 2.76 |
| Outside Diameter | 70 |
| Outside Diameter (in) | 2.76 |
| Outside Diameter (mm) | 70 |
| Pulley 1 Flanged | Yes |
| Pulley 1 Flanged | Yes |
| Pulley Quantity | 1 |
| Width | .98 |
| Width | 25 |
| Width (in) | .98 |
| Width (mm) | 25 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2013 | Mazda | 6 | 2.5L | L4 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2012 | Mazda | 6 | 2.5L | L4 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2011 | Mazda | 6 | 2.5L | L4 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2010 | Mazda | 6 | 2.5L | L4 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2009 | Mazda | 6 | 2.5L | L4 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2008 | Mazda | 6 | 2.3L | L4 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2007 | Mazda | 6 | 2.3L | L4 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2006 | Mazda | 6 | 2.3L | L4 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
* 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.