HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 39508 Accessory Drive Belt Tensioner Assembly
Part #: 39508

Gates 39508 Accessory Drive Belt Tensioner Assembly

DriveAlign Premium OE Automatic Belt Tensioner
⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦DriveAlign Premium OE Automatic Belt Tensioner
🚗Fitment: Ford, EcoSport, Fiesta, and Focus
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Automatic Belt Tensioner for Ford Vehicles

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39508 is engineered to maintain optimal tension on the accessory drive belt system. Designed specifically for Ford EcoSport, Fiesta, and Focus models, this tensioner assembly ensures consistent belt performance and longevity.

  • Constructed from durable thermoplastic material for strength and heat resistance
  • Single smooth backside contact surface pulley without flanges
  • Compatible with V-ribbed belt types commonly used in Ford vehicles
  • Two mounting holes for secure installation
  • Precision bearing bore inside diameter of 17 mm (.67 inches) for smooth operation
  • Pulley outside diameter of 65 mm (2.56 inches) and width of 24 mm (.94 inches)
  • OE exact comparison rating for direct replacement

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering original equipment quality and fitment. This product line is designed to meet or exceed factory specifications, providing reliable tension control for accessory drive belt systems. The 39508 tensioner assembly is part of this line, ensuring compatibility and performance for Ford EcoSport, Fiesta, and Focus models.

Product Details and Specifications

This accessory drive belt tensioner assembly features a thermoplastic construction that offers durability and resistance to engine heat. The pulley is designed without flanges and has a smooth backside contact surface, which is ideal for V-ribbed belts. With two mounting holes, the tensioner provides a secure fitment. The bearing bore inside diameter measures 17 mm (.67 inches), supporting smooth pulley rotation. The pulley itself has an outside diameter of 65 mm (2.56 inches) and a width of 24 mm (.94 inches), matching original equipment dimensions for proper belt alignment and tension.

Common Applications and Issues Addressed

  • Maintains proper tension on the accessory drive belt to prevent slippage
  • Reduces belt noise caused by improper tension or misalignment
  • Prevents premature belt wear and extends belt life
  • Eliminates engine accessory malfunctions due to belt failure
  • Restores factory belt tension performance in Ford EcoSport, Fiesta, and Focus vehicles

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Verify that the tensioner assembly matches the original part number 39508 for proper fitment. Use appropriate tools to remove the old tensioner and install the new one securely using the two mounting holes. Confirm that the V-ribbed belt seats correctly on the smooth pulley surface without flanges. After installation, rotate the engine manually to check belt alignment and tension.

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39508 is manufactured to meet original equipment standards. It carries an OE exact comparison rating, ensuring reliable performance and fit. Gates provides quality assurance backed by their manufacturing standards, although specific warranty details should be confirmed with the supplier or manufacturer.

BrandGates
Part Number39508
PositionDriveAlign Premium OE Automatic Belt Tensioner
MaterialThermoplastic
Pulley 1 FlangedNo
Bearing Bore Inside Diameter.67
Bearing Bore Inside Diameter17
Width.94
Width24
Outside Diameter2.56
Outside Diameter65
Mounting Hole Quantity2
Belt TypeV-ribbed
Pulley Quantity1
Contact SurfaceSmooth/backside
ContentsTensioner assy.
OE Comparison RatingOe exact

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2021FordEcoSport1.0LL3GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2020FordEcoSport1.0LL3GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2019FordEcoSport1.0LL3GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2018FordEcoSport1.0LL3GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2018FordFocus1.0LL3GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2017FordFiesta1.0LL3GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2017FordFocus1.0LL3GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2016FordFiesta1.0LL3GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2016FordFocus1.0LL3GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2015FordFiesta1.0LL3GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2015FordFocus1.0LL3GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2014FordFiesta1.0LL3GASN/ADriveAlign 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:

39508CM5Z 6A228 A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.