OE Quality
60-Day Returns

Gates 38139 Accessory Drive Belt Tensioner Assembly
Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner
The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 38139) is engineered to maintain optimal tension on the accessory drive belt system. Designed specifically for Ford, Lincoln, and Mercury vehicles including the Continental, Sable, Taurus, and Windstar models, this tensioner assembly ensures reliable belt performance and longevity.
- Constructed from durable thermoplastic material for strength and heat resistance
- Features a single flanged pulley with a 2.99 inch (76 mm) outside diameter
- Equipped with a V-ribbed grooved contact surface compatible with V-ribbed belts
- Includes a bearing bore inside diameter of 0.67 inch (17 mm) for smooth operation
- Designed with six grooves and a width of 0.98 inch (25 mm) to match OE specifications
- Single mounting hole for secure installation
- OE comparison rating: OE improved for enhanced durability
Detailed Product Description
This accessory drive belt tensioner assembly is part of the Gates DriveAlign Premium OE Automatic Belt Tensioner line, which focuses on delivering precise belt tension and alignment to reduce wear and extend belt life. The thermoplastic construction offers resistance to heat and corrosion, while the flanged pulley design helps maintain belt tracking. The tensioner is engineered with a 6-groove V-ribbed pulley, matching the belt type used in many Ford, Lincoln, and Mercury vehicles such as the Taurus and Windstar. Its 0.67 inch (17 mm) bearing bore diameter ensures smooth rotation and reliable performance under various operating conditions.
Applications and Common Issues Addressed
- Prevents belt slippage and misalignment in Ford Continental and Lincoln Sable models
- Reduces noise and vibration caused by worn or loose tensioners
- Helps avoid premature belt wear and potential engine accessory failure
- Maintains proper tension in V-ribbed belt systems for Mercury Windstar vehicles
- Supports consistent accessory drive operation under varying engine loads
Installation Notes and Tips
- Ensure compatibility with your vehicle’s make and model before installation
- Inspect the accessory drive belt for wear and replace if necessary during installation
- Use proper tools to remove the old tensioner and install the new assembly securely
- Verify correct belt alignment and tension after installation to prevent premature wear
- Consult vehicle service manual for torque specifications and installation procedures
Quality Assurance and Warranty
The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 38139) is manufactured to meet or exceed original equipment standards. The OE improved rating indicates enhanced durability and performance compared to standard OE parts. Gates provides quality assurance through rigorous testing and material selection to ensure reliable operation in Ford, Lincoln, and Mercury vehicles. Warranty details should be confirmed with the product documentation or supplier.
| Brand | Gates |
| Part Number | 38139 |
| 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 | 1 |
| Number of Grooves | 6 |
| OE Comparison Rating | OE Improved |
| Outside Diameter | 2.99 |
| Outside Diameter | 76 |
| Outside Diameter (in) | 2.99 |
| Outside Diameter (mm) | 76 |
| Pulley 1 Flanged | Yes |
| Pulley 1 Flanged | Yes |
| Pulley Quantity | 1 |
| Width | .98 |
| Width | 25 |
| Width (in) | .98 |
| Width (mm) | 25 |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1998 | Ford | Windstar | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1997 | Ford | Windstar | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1996 | Ford | Windstar | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1995 | Ford | Sable | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1995 | Ford | Taurus | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1995 | Ford | Windstar | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1995 | Mercury | Sable | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1994 | Ford | Sable | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1994 | Ford | Taurus | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1994 | Lincoln | Continental | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1994 | Mercury | Sable | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1993 | Ford | Taurus | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1993 | Lincoln | Continental | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1993 | Mercury | Sable | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1992 | Ford | Taurus | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1992 | Lincoln | Continental | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1992 | Mercury | Sable | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1991 | Ford | Taurus | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1991 | Lincoln | Continental | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1991 | Mercury | Sable | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1990 | Ford | Taurus | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1990 | Lincoln | Continental | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1990 | Mercury | Sable | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1989 | Ford | Taurus | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1989 | Lincoln | Continental | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1989 | Mercury | Sable | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1988 | Ford | Taurus | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1988 | Lincoln | Continental | 3.8L | V6 | GAS | N/A | DriveAlign Premium OE Automatic Belt Tensioner |
| 1988 | Mercury | Sable | 3.8L | V6 | 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.