Wheel Hub 512281
The DUHUI Bearing 512281 wheel hub is a direct OE-replacement assembly designed for Toyota Sienna AWD and Mark X models from 2003 through 2010. This rear wheel hub bearing matches OE references including 512281, BR930339, and RW8281, and is engineered for rear axle applications on these minivan and sedan platforms. It serves as a reliable OEM replacement wheel hub with a 26-spline driven hub design.
Specifications
| Parameter | Value |
|---|---|
| DH Code | DWH1182 |
| Part Number | 512281 |
| Position | Rear Axle (Left, Right) |
| Bearing Generation | Gen 3 Hub Assembly |
| Bearing Style | Ball Bearing |
| Flange Diameter | 152.40 mm (6.000 inch) |
| Flange Offset | 40.60 mm (1.598 inch) |
| Bolt Circle Diameter | 109.20 mm (4.299 inch) |
| Brake Pilot Diameter | 61.00 mm (2.402 inch) |
| Hub Pilot Diameter | 83.80 mm (3.299 inch) |
| Wheel Pilot Diameter | 61.00 mm (2.402 inch) |
| Hub Bolt Circle Diameter | 104.10 mm (4.098 inch) |
| Wheel Stud Quantity | 5 |
| Wheel Stud Size | M12 x 1.5 |
| Flange Bolt Hole Quantity | 4 |
| Spline Quantity | 26 |
| ABS Sensor | Non-Integrated |
| Pre-Greased | Yes |
| Warranty | 2 years / 50,000km |
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: DWH1182
OE Numbers: 512281, RW8281, BR930339, 4245008020, 424500E010, 4246008010, 4246048010
Reference Numbers (Interchange):
SKF: BR930339
Timken: HA590141
NTN: WE60821
MOOG: 512281
Mevotech: H512281
BCA: 512281
GMB: 725-3270
Vehicle Fitment
Toyota: Sienna (2004-2009) AWD, Mark X (2004-2009)
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Generation 3 hub assembly combines the bearing and flange into one unit for simplified rear axle installation.
- Non-integrated ABS design for vehicles where the wheel speed sensor is mounted separately from the hub assembly.
- 26-spline count ensures proper engagement with the axle shaft on AWD models.
- 152.40 mm flange diameter with 4-bolt flange pattern matches the original mounting configuration on Toyota Sienna and Mark X models.
- 5 wheel studs with M12 x 1.5 thread ensure proper wheel mounting and torque distribution.
- Cross-references to SKF, Timken, NTN, and MOOG part numbers ensure accurate replacement sourcing.
Installation Notes
- This hub is for rear axle applications on Toyota Sienna AWD and Mark X models – verify position and drive type before ordering.
- Confirm the 26-spline count on the axle shaft matches this hub before installation.
- Clean the axle spindle and mounting surface thoroughly before installation.
- Torque the axle nut to Toyota factory specifications for the specific model – do not use an impact wrench.
- Inspect the wheel speed sensor and wiring harness before installation, as this hub does not include an integrated sensor.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces wheel hubs to OE specifications. Contact us
