Gates 36239 Accessory Drive Belt Idler Pulley - Accessory Drive

Gates DriveAlign OE Idler Pulley 36239

The Gates DriveAlign Premium OE Pulley 36239 is an accessory drive belt idler pulley built for OE-style fit and function in passenger cars and light trucks. It uses a steel pulley body with a 6-groove V-ribbed contact surface and a 70 mm outside diameter for applications that call for precise belt tracking.

Compatible With Chevrolet Silverado 2500 HD, GMC Sierra 3500 HD, Ford Escape, and other listed applications, this pulley is used in accessory drive belt systems where stable belt routing and consistent rotation are required. The Gates 36239 is also cross-referenced to select Continental, Dayco, Dorman, and Litens part numbers for the same application.

Key Features

• Steel pulley construction for accessory drive belt service
• 6-groove V-ribbed contact surface
• 70 mm outside diameter and 17 mm bearing bore inside diameter
• Single-pulley design for OE-style replacement use
• DriveAlign Premium OE Pulley line for passenger car and light truck applications

Product Details

Gates DriveAlign Premium OE Pulley 36239 is engineered as an accessory drive belt idler pulley that can serve in locked center tensioning, automatic belt tensioner, or idler pulley positions depending on the vehicle application. The steel construction and grooved contact surface support proper belt engagement in systems that use a 6-rib belt profile. This part number is listed for a wide range of vehicles, including Chevrolet Silverado 2500 HD and 3500 HD, GMC Sierra 2500 HD and 3500 HD, Chevrolet Express and GMC Savana vans, Mazda 6, Ford Contour, Mercury Cougar, Mercury Mystique, and Ford Escape.

Common Problems This Part Can Address

• Belt noise caused by a worn or rough idler pulley
• Uneven accessory belt tracking
• Visible pulley wear on the accessory drive system
• Loss of smooth belt rotation in the drive belt path
• Service replacement for OE-style pulley applications

Installation Notes and Tips

Verify the pulley dimensions, groove count, and bearing bore before installation. Confirm the vehicle application by year, make, model, and position, since this part number is used across multiple accessory drive configurations. For 2005 Ford Escape, 2005 Mazda Tribute, and 2005 Mercury Mariner, the fitment note specifies Aug. 2, 2004 and older builds. Always inspect the belt, tensioner, and adjacent pulleys for wear during service.

Quality Assurance

Gates positions the DriveAlign Premium OE Pulley line as an OE-quality replacement solution for accessory drive belt systems. Part number 36239 is built to match the fit and operating requirements of the listed applications, including Chevrolet Silverado 2500 HD, GMC Sierra 3500 HD, and related GM truck and van platforms.