Wheel Hub 512001

The 512001 wheel hub assembly from DUHUI Bearing provides a direct-fit replacement for the rear axle of select GM J-body and N-body vehicles manufactured between 1991 and 2005, including Buick Skylark, Chevrolet Cavalier/Beretta/Corsica, Oldsmobile Achieva, and Pontiac Grand Am/Sunbird/Sunfire models with 4-Wheel ABS configuration. This complete hub assembly includes an integrated ABS sensor and is pre-assembled for simplified installation. This kit matches OE specifications including 7470509 and 512001, and interchanges with industry-standard references such as Timken 512001, SKF BR930187, and Moog RW801.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | DWH1004 |
| Part Number | 512001 |
| Product Type | Wheel Hub Assembly |
| Installation Location | Rear Axle |
| Kit Contents | Hub × 1 |
| Flange Diameter | 138.00 mm (5.433 inch) |
| Bolt Circle Diameter | 100.00 mm (3.937 inch) |
| Wheel Pilot Diameter | 56.90 mm (2.240 inch) |
| Brake Pilot Diameter | 57.40 mm (2.260 inch) |
| Flange Offset | 65.00 mm (2.559 inch) |
| Hub Pilot Diameter | 61.00 mm (2.402 inch) |
| Hub Bolt Circle Diameter | 44.50 mm (1.752 inch) |
| Bolt Size | M12 × 1.5 |
| Wheel Stud Quantity | 5 |
| Bolt Hole MET | 11.00 mm |
| Flange Bolt Hole Quantity | 4 |
| Flange Shape | Offset Trapezoid |
| ABS Sensor | With integrated sensor |
| Number of Splines | N/A |
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:
DWH1004
OE Numbers:
7470509
Reference Numbers (Interchange):
Timken: 512001
SKF: BR930187
Moog: RW801
Vehicle Fitment
BUICK SKYLARK: 1991–1998 (4-Wheel ABS)
CHEVROLET BERETTA: 1992–1996
CHEVROLET CAVALIER: 1992–2005 (4-Wheel ABS for 2003–2005)
CHEVROLET CORSICA: 1992–1996
OLDSMOBILE ACHIEVA: 1992–1998
PONTIAC GRAND AM: 1991–1998 (4-Wheel ABS)
PONTIAC SUNBIRD: 1992–1994
PONTIAC SUNFIRE: 1995–2005 (4-Wheel ABS for 2003–2005)
All applications: Rear Axle, 4-Wheel ABS. Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement for GM J-body and N-body platform applications with 4-Wheel ABS. Matches OE specification 7470509.
- Integrated ABS sensor ensures proper anti-lock braking system function.
- Offset Trapezoid flange with 4-bolt attachment provides secure installation.
- 5-bolt wheel mounting pattern provides secure attachment.
- Pre-set, pre-lubricated, and sealed – maintenance-free design.
- Fully assembled kit – no additional components required for installation.
Installation Notes
- Verify your vehicle is equipped with 4-Wheel ABS before installation. This hub includes an integrated ABS sensor.
- Before installation, compare the flange diameter (138.00 mm) and bolt pattern against your original hub.
- Confirm the 5-bolt wheel pattern and 4-bolt Offset Trapezoid flange match your vehicle.
- Connect the ABS sensor harness properly and ensure the cable is routed away from rotating components.
- Torque the hub mounting bolts and wheel nuts to GM specification.
- This hub fits both rear driver and passenger sides. Sold individually.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces wheel hub assemblies, center support bearings, and related components to OE specifications. Contact us

