HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 38170 Accessory Drive Belt Tensioner Assembly
Part #: 38170

Gates 38170 Accessory Drive Belt Tensioner Assembly

DriveAlign Premium OE Automatic Belt Tensioner
⚙️ 30 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: Lexus and Toyota, GS300, IS300, SC300, and Supra
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38170 is engineered to maintain optimal tension on the accessory drive belt system. Designed specifically for Lexus and Toyota vehicles including the GS300, IS300, SC300, and Supra models, this tensioner assembly ensures consistent belt performance and longevity.

  • Constructed from durable steel for strength and reliability
  • Compatible with V-ribbed belt types used in select Lexus and Toyota models
  • Features a single pulley with a smooth backside contact surface
  • Mounting includes three holes for secure installation
  • Dimensions: 3.74 inches (95 mm) outside diameter, 1.18 inches (30 mm) width, and 0.39 inches (10 mm) bearing bore inside diameter
  • OE exact comparison rating for precise fit and function

Detailed Product Description

This accessory drive belt tensioner assembly from Gates is designed to meet original equipment specifications, providing reliable belt tension for the accessory drive system. The steel construction offers durability under demanding engine conditions. The pulley is designed without flanges and has a smooth backside contact surface, which is compatible with V-ribbed belts commonly found on Lexus GS300, IS300, SC300, and Toyota Supra vehicles. The tensioner includes three mounting holes to ensure a secure fit during installation. With an outside diameter of 3.74 inches and a width of 1.18 inches, this part matches the exact dimensions required for proper operation.

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 meet or exceed original equipment standards. This line emphasizes precise fitment and reliable performance, reducing the risk of belt slippage or premature wear. The 38170 tensioner assembly is part of this line, ensuring compatibility and durability for Lexus and Toyota accessory drive belt systems.

Common Applications and Issues Addressed

  • Maintains proper tension on V-ribbed accessory drive belts
  • Prevents belt slippage and noise in Lexus GS300, IS300, SC300, and Toyota Supra
  • Reduces premature belt wear and extends belt life
  • Eliminates issues related to loose or worn tensioners causing accessory malfunction
  • Helps avoid engine overheating caused by accessory belt failure

Installation Notes and Tips

  • Ensure the mounting surface is clean and free of debris before installation
  • Verify the tensioner orientation matches the original part for proper belt alignment
  • Use appropriate tools to avoid damage to the tensioner or pulley during installation
  • Check belt condition and replace if worn when installing the new tensioner
  • Follow vehicle manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38170 is manufactured to meet strict quality standards, ensuring reliable performance and durability. This part carries an OE exact comparison rating, confirming it matches original equipment specifications. While specific warranty details may vary, Gates typically offers coverage against defects in materials and workmanship to support long-term use in Lexus and Toyota vehicles.

BrandGates
Part Number38170
PositionDriveAlign Premium OE Automatic Belt Tensioner
Bearing Bore Inside Diameter.39
Bearing Bore Inside Diameter10
Bearing Bore Inside Diameter 1 (in).39
Bearing Bore Inside Diameter 1 (mm)10
Belt TypeV-Ribbed
Belt TypeV-Ribbed
Contact SurfaceSmooth/Backside
ContentsTensioner Assy.
MaterialSteel
Mounting Hole Quantity3
OE Comparison RatingOE Exact
Outside Diameter3.74
Outside Diameter95
Outside Diameter (in)3.74
Outside Diameter (mm)95
Pulley 1 FlangedNo
Pulley 1 FlangedNo
Pulley Quantity1
Width1.18
Width30
Width (in)1.18
Width (mm)30

This part fits 30 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2005LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2004LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2003LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2002LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2002LexusIS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2001LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2001LexusIS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2000LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
2000LexusSC3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1999LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1999LexusSC3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1998LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1998LexusSC3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1998ToyotaSupra3.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1997LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1997LexusSC3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1997ToyotaSupra3.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1996LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1996LexusSC3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1996ToyotaSupra3.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1995LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1995LexusSC3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1995ToyotaSupra3.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1994LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1994LexusSC3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1994ToyotaSupra3.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1993LexusGS3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1993LexusSC3003.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1993ToyotaSupra3.0LL6GASN/ADriveAlign Premium OE Automatic Belt Tensioner
1992LexusSC3003.0LL6GASN/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:

166200W022166200W023166200W024166200W025166200W02630530338170492498930389303FN999191999191A

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