Wheel Hub A1663340206

The DUHUI Bearing A1663340206 front wheel bearing kit (DWH0501) is a direct-fit OE replacement kit designed for the front axle of Mercedes-Benz GL-Class (X166) and M-Class (W166) models from 2011 onward. This front wheel bearing kit includes a bearing with an integrated ABS sensor ring and features a 5-bolt flange. Manufactured to match OE specifications including A1663340206, 1663340206, and 401721, this front wheel bearing kit delivers reliable performance for these premium SUV applications.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | DWH0501 |
| Part Number | A1663340206 |
| Product Type | Wheel Bearing Kit |
| Installation Location | Front Axle |
| Flange Diameter | 152.00 mm (5.984 in) |
| Outer Diameter | 152.00 mm (5.984 in) |
| Outer Diameter 2 | 66.90 mm (2.634 in) |
| Outer Diameter 1 | 102.00 mm (4.016 in) |
| Width 2 | 59.00 mm (2.323 in) |
| Rim Hole Number | 5 |
| ABS Sensor | Yes, with integrated ABS sensor ring |
| Kit Contents | Bearing × 1 |
Important: All information on this page is for reference only. Please verify OE numbers, dimensions, and vehicle fitment against your original part before ordering. Contact us for fitment confirmation.
DH Code & OE Numbers & Reference Numbers
DH Code:
DWH0501
OE Numbers:
A1663340206, 1663340206, 401721
Reference Numbers (Interchange):
SKF: VKBA6784
FAG: 401721
TIMKEN: HA590514
Vehicle Fitment
MERCEDES-BENZ M-CLASS (W166): 2011–2015
ML 250 – 2011-2015
ML 350 – 2011-2015
ML 400 – 2011-2015
ML 500 – 2011-2015
ML 63 AMG – 2011-2015
Position: Front Axle (both driver and passenger sides)
Important Notes:
– This kit covers one wheel; order two for a full axle.
– Compatible with 5-Hole wheel mounting patterns.
– Features an integrated ABS sensor ring for ABS-equipped vehicles.
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement for Mercedes-Benz GL-Class and M-Class. Matches OE specifications A1663340206 and 1663340206.
- Integrated ABS sensor ring ensures proper anti-lock braking system function.
- 5-bolt flange configuration for secure front axle mounting.
- Precision-matched bearing raceways and rolling elements minimize noise and vibration.
- Pre-set, pre-lubricated, and sealed – maintenance-free design.
Installation Notes
- Verify your vehicle is a Mercedes-Benz GL-Class (X166) or M-Class (W166) before ordering.
- Compare flange diameter (152.00 mm) against your original hub before installing.
- This kit fits both front driver and passenger sides. Sold individually.
- Torque the axle nut to manufacturer specification (refer to service manual).
- Ensure the ABS sensor harness is properly connected and routed away from moving parts.
- Do not use an impact wrench to tighten axle nuts – over-torquing can damage the bearing.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces wheel hub assemblies and related components to OE specifications. Contact us

