HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 39331 Accessory Drive Belt Tensioner Assembly
Part #: 39331

Gates 39331 Accessory Drive Belt Tensioner Assembly

DriveAlign Premium OE Automatic Belt Tensioner
27 vehicles fit this part
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: Acura and Honda, RLX, TLX, RDX, Accord, MDX, and Crosstour
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39331 is engineered for precise belt tension control in Acura and Honda vehicles. Designed to maintain optimal tension on V-ribbed accessory drive belts, this tensioner assembly supports reliable engine performance and accessory operation.

  • Constructed from durable steel for long-lasting strength
  • Single smooth backside pulley with a 3-inch (76.2 mm) outside diameter
  • Hydraulic damper integrated for consistent tension and reduced vibration
  • Two mounting holes for secure installation
  • Compatible with V-ribbed belt systems
  • OE exact fit and performance for Acura and Honda models

Detailed Product Description and Specifications

This accessory drive belt tensioner assembly features a steel construction that ensures durability under engine bay conditions. The pulley has a smooth contact surface without flanges, measuring 3 inches (76.2 mm) in outside diameter and 1.22 inches (31 mm) in width, designed specifically for V-ribbed belts. The bearing bore inside diameter is 0.67 inches (17 mm), supporting smooth rotation and reliable belt tracking. The assembly includes a hydraulic damper to absorb shocks and maintain consistent belt tension, which helps prevent belt slippage and premature wear.

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner product line by Gates focuses on delivering original equipment (OE) exact replacements. This ensures that the tensioner matches the fit, form, and function of the factory-installed part. The line is designed to meet or exceed OE specifications, providing dependable performance for Acura and Honda accessory drive belt systems.

Compatible Vehicles and Common Applications

This tensioner assembly is compatible with various Acura and Honda models, including the Accord, Crosstour, MDX, RDX, RLX, and TLX. It is specifically designed for vehicles equipped with V-ribbed accessory drive belts requiring precise tension control.

  • Maintains proper belt tension to prevent slipping and noise
  • Reduces belt wear and extends belt life
  • Minimizes vibration and shock to accessory components
  • Prevents engine accessory malfunctions due to belt failure
  • Ensures consistent performance of alternator, power steering, and A/C compressor

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 39331, ensure the mounting surface is clean and free of debris. Use the two mounting holes to secure the tensioner firmly in place. Verify that the V-ribbed belt is properly seated on the pulley and aligned with other accessory pulleys. It is recommended to inspect the belt for wear and replace it if necessary during installation. Follow vehicle-specific torque specifications for mounting bolts to avoid damage.

Quality Assurance and Warranty Information

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39331 is manufactured to meet OE standards, providing reliable fit and function. The product includes a hydraulic damper for enhanced durability and consistent performance. Gates offers a limited warranty on this tensioner assembly, covering defects in materials and workmanship under normal use conditions. Refer to the product documentation for specific warranty terms.

BrandGates
Part Number39331
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 SurfaceSmooth/Backside
ContentsTensioner Assy., Hydraulic Damper
MaterialSteel
Mounting Hole Quantity2
OE Comparison RatingOE Exact
Outside Diameter3
Outside Diameter76
Outside Diameter (in)3
Outside Diameter (mm)76.2
Pulley 1 FlangedNo
Pulley 1 FlangedNo
Pulley Quantity1
Width1.22
Width31
Width (in)1.22
Width (mm)31

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2020AcuraRLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2020AcuraTLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2019AcuraRLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2019AcuraTLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2018AcuraRDX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2018AcuraRLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2018AcuraTLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2017AcuraRDX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2017AcuraRLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2017AcuraTLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2017HondaAccord3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2016AcuraMDX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2016AcuraRDX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2016AcuraRLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2016AcuraTLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2016HondaAccord3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2015AcuraMDX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2015AcuraRLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2015AcuraTLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2015HondaAccord3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2015HondaCrosstour3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2014AcuraMDX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2014AcuraRLX3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2014HondaAccord3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2014HondaCrosstour3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2013HondaAccord3.5LV6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2013HondaCrosstour3.5LV6GASN/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:

311705G0A01311705G0A02393314982089715999827999827A

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