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The Meritor Hydraulic Brake Hub Assembly sits at the center of the wheel end, carrying the wheel mounting points while working with the bearing set and disc brake arrangement. Its hub-and-stud build feels substantial because the part has to handle wheel load, fastening torque, and brake hardware location together. Wheel-end repairs on hydraulic brake axles can reach the hub once the studs, bearing surfaces, or ABS-related hardware show service wear. During 26,000-pound GAWR hub service involving damaged studs, bearing-seat wear, or ABS tone ring concerns, the Meritor 0415902003 brings a new hub foundation into the hydraulic brake wheel end.
| ABS Pilot Diameter | Attaches to Rotor |
| ABS Ring Number | 09-002165 |
| Base Part Number | 15902 |
| Brake Type | DX |
| Disc Bolt Circle Diameter | 9.823 in. |
| Disc Bolt Pattern | 10 |
| Disc Bolt Size | .659/.679 in. |
| Drive Flange Stud | 08-008551 |
| Drive Stud Pattern | 8 |
| Drive Stud Thread | 5/8-11 UNC-3B |
| DriveStud Bolt Circle Dia | 7.00 in. |
| Flange Outer Diameter | 13.50 in. |
| GAWR (lb) | 26000 |
| IBS to OBS | 4.317/4.297 in. |
| IBS to Outer Surface | 6.902 in. |
| Inner Bearing Surface (IBS) to Mounting Face | 2.003 in. |
| Inner Cone | 594A |
| Inner Cup | 592A |
| Outer Cone | 580 |
| Outer Cup | 572 |
| Rotor Number | 3218Z1404 |
| Rotor Pilot Diameter | 7.637/7.634 in. |
| Tone Ring | Y |
| VMRS Code | 018-002-001 |
| Wheel Pilot Diameter | 8.653/8.646 in. |
| Wheel Stud | 09-001728 |
| Wheel Stud Bolt Circle Diameter | 11.25 in. |
| Wheel Stud Hole | .904/.906 in. |
| Wheel Stud Pattern | 10 |
The Meritor hydraulic brake hub and stud assembly is built for higher payload capacities and improved fuel economy. It is suitable for a wide range of trucks, trailers, and other commercial vehicle applications.
| Abs Pilot Diameter | Attaches to Rotor |
| Brake Type | DX |
| Abs Ring Number | 09-002165 |
| Brand | Meritor |
| Disc Bolt Pattern | 10 |
| Disc Bolt Circle Diameter | 9.823 in. |
| Disc Bolt Size | .659/.679 in. |
| Flange Outer Diameter | 13.50 in. |
| Drive Stud Thread | 5/8-11 UNC-3B |
| DriveStud Bolt Circle Diameter | 7.00 in. |
| Tone Ring | Y |
| Rotor Pilot Diameter | 7.637/7.634 in. |
| Wheel Pilot Diameter | 8.653/8.646 in. |
| Wheel Stud Hole | .904/.906 in. |
| Wheel Stud Bolt Circle Diameter | 11.25 in. |
| Wheel Stud Pattern | 10 |
| Brand | Part Number |
|---|---|
| TDA0415902003, KM3066, 0515954005RI, 621617 |
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