FAG WB66774K Wheel Bearing Kit - Rear

FAG Wheel Bearing Kit for Mercedes-Benz ML-Class

The FAG WB66774K wheel bearing kit is built for rear axle service on select Mercedes-Benz ML-Class models. It combines the wheel bearing with the accessory parts needed for a professional repair, helping restore smooth wheel rotation and proper hub support on the rear of the vehicle.

Compatible with 1998-2005 Mercedes-Benz ML320, ML430, ML500, and ML350 rear applications, this FAG wheel bearing kit is a direct-fit service solution for common rear bearing replacement jobs. Part number WB66774K is also referenced by SKF WKH3522 and interchange 7136677400.

Key Features

• FAG wheel bearing kit for rear axle service
• Fits Mercedes-Benz ML320, ML430, ML500, and ML350 rear applications
• Includes bearing-related accessory parts selected for the application
• Engineered for professional repair work on the hub assembly
• Part number WB66774K for easy catalog matching

Detailed Description

FAG WB66774K is a rear wheel bearing kit for Mercedes-Benz ML-Class SUVs from 1998-2005. It is intended for vehicles including the ML320, ML430, ML500, and ML350, with fitment listed for rear position only. The kit is organized to support a clean, application-specific repair and is matched to the corresponding vehicle requirements. If you are replacing a worn rear wheel bearing on a Mercedes-Benz ML320 rear, Mercedes-Benz ML430 rear, Mercedes-Benz ML500 rear, or Mercedes-Benz ML350 rear, this part number WB66774K provides the correct service format for those listed applications.

This part cross-references SKF WKH3522 for the same application.

What It Helps Fix

• Rear wheel noise caused by a worn bearing
• Hub play or looseness at the rear wheel
• Rough wheel rotation from bearing wear
• Vibration or humming from the rear axle area
• Service replacement for a damaged rear bearing assembly

Installation Notes and Tips

Verify rear fitment by year, model, and position before installation. Inspect the hub, axle area, and surrounding components for wear or damage during service. Follow the vehicle service procedure and torque specifications for the Mercedes-Benz ML-Class application to ensure proper bearing seating and retention.

Quality Assurance

FAG packages the bearing with application-specific accessory parts to support professional repair work and proper component matching. The brand’s approach focuses on supplying the bearing and related service parts together so the repair can be completed with correctly matched components.