Gates 90K-38137 Serpentine Belt Drive Component Kit

Accessory Belt Drive Kit for Explorer and Mountaineer

The Gates Accessory Belt Drive Kit 90K-38137 is built to restore the serpentine drive system with OE-equivalent components matched for the application. It is a direct-fit service solution for 2002-2005 Ford Explorer and 2003-2005 Mercury Mountaineer models, helping address belt wear and front-end accessory drive noise in one repair.

Key Features

• Gates Accessory Belt Drive Kit for the accessory belt drive system
• Includes an OE-equivalent belt, tensioner, idler pulley, and necessary hardware with installation instructions and tech tips
• Belt dimensions: 85.892 in. outside circumference and 20 mm top width
• Belt part number K060854, tensioner assembly part number 38137, idler pulley part number 38001
• Compatible with 2002-2005 Ford Explorer and 2003-2005 Mercury Mountaineer applications

Detailed Description

Gates 90K-38137 is an accessory belt drive component kit engineered to service the complete serpentine drive rather than replacing only the belt. The kit centers on the K060854 belt and matching tensioner and idler pulley components, which helps maintain proper belt tracking and tension across the front accessory drive. This approach is especially relevant for Ford Explorer and Mercury Mountaineer vehicles where worn pulleys or a weak tensioner can contribute to belt noise, reduced belt life, and uneven accessory drive operation. This part cross-references Dayco D60855K2 for the same application.

What It Helps Address

• Squealing or chirping from the serpentine belt area
• Visible belt wear, cracking, or glazing
• Loss of proper belt tension from a worn tensioner
• Pulley noise or rough operation in the accessory drive
• Repeat repairs caused by replacing only the belt

Installation Notes and Tips

Verify the vehicle application before installation: Fits 2002-2005 Ford Explorer, N/A, and Fits 2003-2005 Mercury Mountaineer, N/A. Match the belt routing to the vehicle’s accessory drive layout and confirm the tensioner and idler pulley part numbers against the existing components. Gates includes installation instructions and tech tips to support accurate service of the serpentine drive system. For best results, inspect adjacent front-end accessory components for wear before completing the repair.

Quality Assurance

Gates positions this kit as an OE-equivalent service solution for restoring the accessory belt drive system on the listed Ford and Mercury applications. The matched components are intended to support consistent belt operation and accurate replacement of the serpentine drive hardware.