Product Description

Front Wheel Hub Assembly 1663340006 | The TQB Engineering Standard

The 1663340006 wheel hub bearing represents a pinnacle of automotive aftermarket engineering, designed specifically for the rigorous demands of the Mercedes-Benz W166 and X166 platforms. At TQB, we approach manufacturing with a philosophy of restraint and precision, ensuring that each unit serves as a silent, durable foundation for the world’s most refined SUVs.

OEM Reference & Interchange Matrix

To ensure absolute compatibility and ease of procurement, we provide a comprehensive cross-reference list. These OEM numbers serve as the technical benchmark for our manufacturing tolerances.

Technical Geometry & Material Science

Our 3rd Generation hub assembly is forged from Gcr15 High-Carbon Chromium Bearing Steel, a material selected for its exceptional wear resistance and structural fatigue strength. Each unit undergoes a proprietary induction hardening process to reach an optimal HRC rating, ensuring longevity under high-load conditions.

• Fitting Position: Front Axle (Left or Right)
• Material Composition: Gcr15 High-Grade Bearing Steel
• Precision Rating: ABEC-3 / ABEC-5
• Flange Diameter: 152 mm
• Inner Diameter: 102 mm
• Total Width: 99 mm
• ABS Integration: Integrated high-conductivity magnetic sensor ring for seamless ECU communication.

Vehicle Application & Fitment

The A1663340006 assembly is a direct-fit component for the following Mercedes-Benz chassis, engineered to restore original steering geometry and vibration-free performance.

• Mercedes-Benz ML-Class (W166): 2012–2015 (ML250, ML350, ML400, ML550)
• Mercedes-Benz GLE-Class (W166): 2016–2019 (GLE300d, GLE350, GLE400, GLE550)
• Mercedes-Benz GL-Class (X166): 2013–2016 (GL350, GL450, GL550, GL63 AMG)
• Mercedes-Benz GLS-Class (X166): 2017–2019 (GLS350d, GLS450, GLS550, GLS63 AMG)

What is the reference number for the Mercedes W166 front wheel hub?

The primary OEM reference number for the Mercedes-Benz W166 (ML/GLE) front wheel hub assembly is 1663340006. High-quality aftermarket alternatives produced by TQB utilize Gcr15 steel and are interchangeable with A1663340006, SNR R151.65, and FAG 713668150. This 3rd generation assembly includes a 152mm flange and an integrated ABS sensor, ensuring compatibility with all W166 and X166 models from 2012 to 2019.