HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 38408 Accessory Drive Belt Tensioner Assembly
Part #: 38408

Gates 38408 Accessory Drive Belt Tensioner Assembly

DriveAlign Premium OE Automatic Belt Tensioner
⚙️ 35 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦DriveAlign Premium OE Automatic Belt Tensioner
🚗Fitment: Mazda, Ford, and Mercury, MX-5 Miata, MX-5, 3, 6, Escape, Focus, Tribute, and Mariner
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Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner 38408

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38408 is engineered to maintain optimal tension on the accessory drive belt system. Designed for select Ford, Mazda, and Mercury vehicles, this tensioner assembly ensures consistent belt performance and longevity.

  • Constructed from durable thermoplastic material
  • Features a single flanged pulley with a 2.76 inch (70 mm) outside diameter
  • Equipped with a V-ribbed grooved contact surface and 6 grooves for precise belt alignment
  • Includes two mounting holes for secure installation
  • Compatible with V-ribbed belt types
  • Bearing bore inside diameter measures 0.67 inch (17 mm)
  • Width of the pulley is 0.98 inch (25 mm)

Detailed Product Description and Specifications

This accessory drive belt tensioner assembly from Gates is designed to meet original equipment (OE) specifications, providing an exact replacement for the tensioner in various Ford, Mazda, and Mercury models including the Ford Escape, Focus, Mariner, Mazda 3, 6, MX-5 Miata, and Mercury Tribute. The thermoplastic construction offers a balance of strength and weight reduction, while the flanged pulley design helps maintain belt alignment under varying engine loads. The 6-groove V-ribbed pulley ensures compatibility with multi-ribbed belts, promoting smooth operation and reducing belt wear. The tensioner’s bearing bore diameter of 17 mm supports reliable rotation and durability.

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner product line by Gates focuses on delivering tensioners that match original equipment quality and fitment. This line is engineered to provide precise belt tension control, reducing belt slip and noise while extending the life of the accessory drive belt system. The 38408 tensioner assembly is part of this line, offering a direct OE replacement with exact fit and function for compatible vehicles.

Common Applications and Issues Addressed

  • Maintains proper tension on V-ribbed accessory drive belts
  • Prevents belt slippage and squealing noises
  • Reduces premature belt wear and extends belt life
  • Eliminates misalignment caused by worn or damaged tensioners
  • Supports smooth operation of engine accessories such as alternators and power steering pumps

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 tensioner installation
  • Use proper tools to remove and install the tensioner to avoid damage to mounting points
  • Verify correct belt routing and tension after installation
  • Follow manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty Information

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38408 is manufactured to meet stringent quality standards, ensuring reliable performance and durability. This part is rated as an exact OE replacement, providing confidence in fit and function. While specific warranty details may vary, Gates typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for precise warranty terms.

BrandGates
Part Number38408
PositionDriveAlign Premium OE Automatic Belt Tensioner
Bearing Bore Inside Diameter.67
Bearing Bore Inside Diameter17
Bearing Bore Inside Diameter 1 (in).67
Bearing Bore Inside Diameter 1 (mm)17
Belt TypeV-Ribbed
Belt TypeV-Ribbed
Contact SurfaceV-Ribbed Grooved
ContentsTensioner Assy.
Groove Quantity6
MaterialThermoplastic
Mounting Hole Quantity2
Number of Grooves6
OE Comparison RatingOE Exact
Outside Diameter2.76
Outside Diameter70
Outside Diameter (in)2.76
Outside Diameter (mm)70
Pulley 1 FlangedYes
Pulley 1 FlangedYes
Pulley Quantity1
Width.98
Width25
Width (in).98
Width (mm)25

This part fits 35 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
2015MazdaMX-5 MiataManual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2014MazdaMX-5 MiataManual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2013MazdaMX-5 MiataManual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2012MazdaMX-5 MiataManual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2011MazdaMX-5 MiataManual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2010MazdaMX-5Manual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2010MazdaMX-5 MiataManual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2009Mazda32.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2009MazdaMX-5Manual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2009MazdaMX-5 MiataManual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2008Mazda32.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2008MazdaMX-5Manual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2008MazdaMX-5 MiataManual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2007Mazda32.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2007Mazda62.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2007MazdaMX-5Manual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2007MazdaMX-5 MiataManual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006FordEscape2.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006FordFocus2.0LL4GASN/ADec. 5, 2005 & Older; DriveAlign Premium OE Automatic Belt Tensioner
2006FordFocus2.3LL4GASN/ADec. 5, 2005 & Older; DriveAlign Premium OE Automatic Belt Tensioner
2006Mazda62.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006MazdaMX-5Manual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006MazdaMX-5 MiataManual2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006MazdaTribute2.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2006MercuryMariner2.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005FordEscape2.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005FordFocus2.0LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005FordFocus2.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005Mazda62.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005MazdaTribute2.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2005MercuryMariner2.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2004FordFocus2.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2004Mazda62.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2003FordFocus2.3LL4GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2003Mazda62.3LL4GASN/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:

305372384083S4Q 6A228 AA3S4Q 6A228 AB3S4Q 6A228 AC3S4Z 6A228 AA4940589372999228999228AL32115980L32115980AL32115980BL32115980CL32115980DLF1715980LF1715980DLF1715980E

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