Gates 38775 Accessory Drive Belt Tensioner Assembly

Gates DriveAlign OE Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38775, is built for accessory drive belt systems that require stable belt control and OE-style fit. It is a steel tensioner assembly with a V-ribbed belt pulley, made to match the fit, form, and function expected in Honda and Acura applications.

Compatible With 2016-2025 Honda Pilot, 2017-2025 Honda Ridgeline, 2018-2025 Honda Odyssey, 2019-2025 Honda Passport, and 2017-2020 Acura MDX. This Gates 38775 tensioner is a direct-fit option for drivers replacing a worn automatic belt tensioner on these vehicles.

Key Features

• OE Performance grade automatic belt tensioner assembly
• Steel construction for accessory drive belt system durability
• V-ribbed belt type with a smooth/backside pulley surface
• Single pulley design with 3 in. (76 mm) outside diameter
• 1.2 in. (30 mm) pulley width and 17 mm bearing bore inside diameter
• Manufactured to rigid tolerances for OE fit, form, and function

Product Details

Gates developed the DriveAlign Premium OE Automatic Belt Tensioner line to reflect the same system-level engineering used in original equipment applications. Part number 38775 is built to precise specifications so the tensioner aligns correctly with the accessory drive belt system and maintains consistent belt tension under normal engine operation. For Honda Odyssey, Honda Passport, Honda Ridgeline, Honda Pilot, and Acura MDX applications, this OE-style replacement supports proper belt tracking and pulley engagement.

This part cross-references Honda 31170RLVA02 for the same application.

Common Problems This Part Can Address

• Belt squeal caused by weak or inconsistent tension
• Visible belt flutter or belt tracking issues
• Noise from a worn tensioner pulley or bearing
• Accessory drive belt slippage under engine load
• Reduced belt control from a fatigued automatic tensioner

Installation Notes and Tips

Inspect the accessory drive belt, pulley surfaces, and adjacent components before installation. Confirm the pulley alignment and mounting point condition on the vehicle before replacing the tensioner. For Honda Pilot, Honda Ridgeline, Honda Odyssey, Honda Passport, and Acura MDX applications, verify the part number 38775 against the existing tensioner and vehicle build details before service.

Quality Assurance

Gates is a global OE system designer, and the DriveAlign Premium OE Automatic Belt Tensioner line is manufactured to rigid tolerances and specifications to deliver OE fit, form, and function. Part number 38775 is built to the same performance expectations used in original equipment accessory drive belt systems.