Gates 38009 Accessory Drive Belt Idler Pulley

Gates DriveAlign OE Idler Pulley 38009

The Gates DriveAlign Premium OE Pulley 38009 is an accessory drive belt idler pulley built for OE-style fit and belt tracking in passenger cars and light trucks. It serves as a locked center tensioning pulley, automatic belt tensioner pulley, or idler pulley depending on the application.

Compatible With long-running GM truck and SUV applications, plus select Honda Civic, Acura ILX, and Honda HR-V fitments, this pulley is built around the dimensions and contact surface needed for proper serpentine belt operation.

Key Features

• Thermoplastic pulley construction
• 6-groove V-ribbed grooved contact surface
• 76 mm outside diameter
• 17 mm bearing bore inside diameter
• Flanged pulley design for belt control
• OE-quality fit for accessory drive belt system service

Product Details

Gates DriveAlign Premium OE Pulley line focuses on direct-fit replacement pulleys for accessory drive belt systems. Part number 38009 is a grooved idler pulley with a V-ribbed contact surface, 6 grooves, and a flanged profile to help maintain belt alignment in the drive system. It is used across a wide range of vehicles, including Chevrolet Silverado 1500, GMC Sierra 1500, and Honda Civic applications listed in the fitment data.

This part cross-references Dayco 89009 and Dorman - HELP 38420 for the same application.

What It Helps Address

• Serpentine belt noise caused by a worn pulley surface
• Belt tracking issues from a damaged or misaligned idler pulley
• Accessory drive vibration related to bearing wear
• Visible pulley wobble or rough rotation during inspection
• Drive belt service needs on GM truck, SUV, and select Honda applications

Installation Notes

Verify pulley diameter, groove count, and bearing bore before installation. Confirm the vehicle’s belt routing and pulley position against the fitment notes, especially on applications marked serpentine, grooved pulley, supercharger, or air conditioning bypass. Some listings include configuration-specific notes such as no A/C, dual-sided V-ribbed belt, or previously installed solution kit requirements, so match the exact vehicle setup before service.

Quality Assurance

Gates positions the DriveAlign line as an OE-quality replacement pulley family for passenger cars and light trucks. The 38009 is built to match the dimensional and functional requirements of the original accessory drive belt system application.