512547 Rear Wheel Hub Assembly For Lexus Toyota

The DUHUI Bearing 512547 rear wheel hub assembly (DWH1832) is a direct-fit OE replacement designed for Lexus IS, GS, and Toyota Mark X rear-wheel-drive models. This rear wheel hub assembly includes the hub and bearing as a complete unit. Manufactured to match original equipment specifications including Toyota 42450-76010 and 42450-76020, this wheel hub assembly delivers reliable performance for these premium Japanese applications.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | DWH1832 |
| Part Number | 512547 |
| Product Type | Wheel Hub Assembly |
| Installation Location | Rear Axle |
| Inner Diameter | 30.00 mm (1.181 inch) |
| Outer Diameter | 74.00 mm (2.913 inch) |
| Width | 53.00 mm (2.087 inch) |
| Material | High-strength aluminum alloy hub |
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:
DWH1832
OE Numbers:
512547, 42450-76010, 42450-76020, 42450-12220
Reference Numbers (Interchange):
SKF: VKBA7578
SNR: R169.117
MOOG: HA590413
OPTIMAL: 190065
Vehicle Fitment
LEXUS IS (XE10): 2001–2005
Saloon – RWD
3.0L (2JZ-GE) – 2001-2005
LEXUS GS (S190): 2004–2011
Saloon – RWD
3.5L (2GR-FSE) – 2004-2011
4.3L (3UZ-FE) – 2004-2011
LEXUS GS (S160): 1998–2005
Saloon – RWD
3.0L (2JZ-GE) – 1998-2005
4.0L (1UZ-FE) – 1998-2005
TOYOTA MARK X (X120): 2004–2009
Saloon – RWD
2.5L (4GR-FSE) – 2004-2009
3.0L (3GR-FSE) – 2004-2009
Position: Rear Axle (both driver and passenger sides)
Important Notes:
– This assembly covers one wheel; order two for a full axle.
– Assembly includes hub and bearing as a complete unit.
– Compatible with RWD variants of the listed models.
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement for Lexus and Toyota rear axle. Matches Toyota specifications 42450-76010 and 42450-76020.
- High-strength aluminum alloy hub with lightweight design – reduces unsprung mass while maintaining structural strength.
- Integrated design reduces stacked component thickness – overall axial dimension is 30% shorter than traditional split designs.
- Engineered to withstand harsh operating conditions with robust load-bearing capacity and exceptional impact resistance.
- Superior corrosion resistance effectively prolongs service life – fully maintenance-free over the entire lifecycle.
Installation Notes
- Verify your vehicle is a compatible Lexus IS, GS, or Toyota Mark X model before ordering.
- This assembly fits both rear driver and passenger sides. Sold individually.
- Ensure the hub mounting surface on the axle beam is clean and free of corrosion before installation.
- Torque the hub mounting bolts and axle nut to manufacturer specifications (refer to service manual). Do not use an impact wrench for final tightening.
- Verify inner diameter (30.00 mm) and outer diameter (74.00 mm) match your axle specifications before installation.
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

