OE Quality
60-Day Returns

Gates 39298 Accessory Drive Belt Tensioner Assembly - Alternator and Water Pump
Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner
The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 39298) is engineered for reliable accessory drive belt tension in select Ford and Lincoln vehicles. Designed to maintain optimal tension on V-ribbed belts, this tensioner assembly supports smooth engine operation and accessory performance.
- Constructed from durable thermoplastic material for long-lasting use
- Single pulley design with a smooth backside contact surface
- Compatible with V-ribbed belt systems
- One mounting hole for secure installation
- Precision dimensions: 2.76 inch (70 mm) outside diameter, 1 inch (25.5 mm) width, and 0.67 inch (17 mm) bearing bore inside diameter
Detailed Product Description and Specifications
This accessory drive belt tensioner assembly features a thermoplastic construction that balances strength and weight for consistent performance. The pulley is not flanged and has a smooth backside contact surface, designed specifically for V-ribbed belt applications. With a single mounting hole, installation is straightforward and ensures a secure fit. The tensioner’s pulley measures 2.76 inches (70 mm) in outside diameter and 1 inch (25.5 mm) in width, with a bearing bore inside diameter of 0.67 inches (17 mm), providing precise alignment and tension control.
DriveAlign Premium OE Automatic Belt Tensioner Product Line
The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering original equipment (OE) performance standards. This product line is designed to meet or exceed factory specifications, ensuring compatibility and durability for vehicles requiring precise belt tension management. Part number 39298 is part of this line, offering a reliable replacement option for Ford and Lincoln models equipped with V-ribbed accessory drive belts.
Compatible Vehicles and Common Applications
This belt tensioner assembly is compatible with the following vehicles:
- Ford F-150
- Lincoln Mark LT
- Ford Mustang
It is intended for use in accessory drive belt systems where maintaining proper belt tension is critical to engine accessory function and longevity.
Common Issues Addressed by This Belt Tensioner
- Excessive belt slack causing slipping or noise
- Premature belt wear due to improper tension
- Accessory drive component misalignment
- Vibration or rattling noises from the belt system
- Failure of original tensioner leading to accessory malfunction
Installation Notes and Tips
- Ensure the mounting surface is clean and free of debris before installation
- Verify belt type compatibility; this tensioner is designed for V-ribbed belts
- Use proper torque specifications for the single mounting hole to avoid damage
- Inspect the belt and pulleys for wear during installation
- Confirm proper belt alignment and tension after installation
Quality Assurance and Warranty
The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 39298) is manufactured to meet OE performance standards, providing reliable operation and durability. Gates products typically come with a limited warranty covering defects in material and workmanship. For specific warranty details, refer to the product documentation or manufacturer guidelines.
| Brand | Gates |
|---|---|
| Part Number | 39298 |
| Position | DriveAlign Premium OE Automatic Belt Tensioner, Alternator and Water Pump |
| 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 | Smooth/Backside |
| Contents | Tensioner Assy. |
| Material | Thermoplastic |
| Mounting Hole Quantity | 1 |
| OE Comparison Rating | OE Performance |
| Outside Diameter | 2.76 |
| Outside Diameter | 70 |
| Outside Diameter (in) | 2.76 |
| Outside Diameter (mm) | 70 |
| Pulley 1 Flanged | No |
| Pulley 1 Flanged | No |
| Pulley Quantity | 1 |
| Width | 1 |
| Width | 25.5 |
| Width (in) | 1 |
| Width (mm) | 25.5 |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2024 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2023 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2022 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2021 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2021 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2020 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2020 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2019 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2019 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2018 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2018 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2017 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2017 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2017 | Ford | Mustang | 5.0L | V8 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2016 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2016 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2016 | Ford | Mustang | 5.0L | V8 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2015 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2015 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2015 | Ford | Mustang | 5.0L | V8 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2014 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2014 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2014 | Lincoln | Mark LT | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2013 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2013 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2013 | Lincoln | Mark LT | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2012 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2012 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2012 | Ford | Mustang | 5.0L | V8 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2012 | Lincoln | Mark LT | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2011 | Ford | F-150 | 5.0L | V8 | FLEX | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2011 | Ford | F-150 | 5.0L | V8 | GAS | Alternator and Water Pump | DriveAlign Premium OE Automatic Belt Tensioner |
| 2011 | Ford | Mustang | 5.0L | V8 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 2011 | Lincoln | Mark LT | 5.0L | V8 | GAS | Alternator and Water Pump | 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.