Gates 90K-39390B Serpentine Belt Drive Component Kit

Accessory Belt Drive Kit Overview

The Gates 90K-39390B is a serpentine belt drive component kit for restoring the accessory drive system with matched components. It is built for Mazda applications and helps address wear across the belt, tensioner, and pulley system at the same time.

Key Features

• Complete serpentine kit for servicing the accessory belt drive system.
• Includes an OE-equivalent belt, tensioner, idler pulley, and necessary hardware.
• Designed to replace worn drive components together for consistent operation.
• Gates Accessory Belt Drive Kit (Standard) line for application-specific coverage.
• Part number 90K-39390B for catalog and fitment lookup.

Detailed Description

The Gates 90K-39390B kit is intended for drivers and technicians who want to service the full serpentine drive instead of replacing only the belt. By addressing the belt, tensioner, and pulley components together, this kit supports a more complete repair on Mazda CX-5, Mazda CX-9, and Mazda 6 applications. The kit references OE-equivalent belt construction and includes installation instructions and tech tips for accurate service. Part number 90K-39390B is also useful when cross-checking catalog listings for the same application.

The Accessory Belt Drive Kit (Standard) product line focuses on matched replacement components for the accessory drive system. That approach helps simplify parts selection when servicing a Mazda CX-5, Mazda CX-9, or Mazda 6 with a worn serpentine drive.

What It Is Used For

• Replacing a worn serpentine belt drive assembly.
• Addressing belt noise caused by aging tensioner or pulley components.
• Restoring accessory drive operation after belt wear or stretch.
• Reducing repeat repairs from partial belt-only service.

Installation Notes and Tips

Fits 2019-2025 Mazda CX-5, N/A. Fits 2016-2018 Mazda CX-9, N/A. Fits 2020-2023 Mazda CX-9, N/A. Fits 2018-2021 Mazda 6, N/A. Use the included installation instructions and tech tips to verify routing and component placement before final assembly. Confirm the belt drive layout against the vehicle’s existing configuration before installation.

Quality Assurance

Gates positions this kit as a complete service solution for the accessory belt drive system, with OE-equivalent belt construction and matched components for the repair.