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DuraGo BR5578 Disc Brake Rotor and Hub Assembly - Front
| Brand | DuraGo BR5578 |
|---|---|
| Position | Front |
| ABS Tone Ring Included | Yes |
| Cross Drilled | No |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Discard Thickness | 0.96 |
| Discard Thickness | 24.5 |
| Inner Bearing Cup Included | Yes |
| Mounting Bolt Hole Circle Diameter | 5 |
| Mounting Bolt Hole Circle Diameter | 127 |
| Nominal Thickness | 1.04 |
| Nominal Thickness | 26.3 |
| Outer Bearing Cup Included | Yes |
| Overall Height | 4.65 |
| Overall Height | 118.1 |
| Rotor Outside Diameter | 11.85 |
| Rotor Outside Diameter | 301 |
| Rust Resistant Coating | No |
| Slotted | No |
| Solid Or Vented Type Rotor | Vented |
| Stud Quantity | 5 |
| Stud Thread Size | 1/2-20 |
| Wheel Studs Included | Yes |
| Fits | Chevrolet and GMC · 26 vehicles |
Vented rotor design. Helps promote airflow for more consistent braking performance.
ABS tone ring included. Supports integrated wheel speed sensing in the assembly.
Bearing cups included. Ready for a more complete rotor and hub replacement.
Cross-references Dorman - HELP 56152, FEL-PRO 5578 and Parts Authority PRT1464 for the same application. See all 14.
DuraGo BR5578 Front Disc Brake Rotor and Hub Assembly
The DuraGo BR5578 is a front disc brake rotor and hub assembly built for direct replacement on select Chevrolet Astro and GMC Safari applications. It combines rotor, hub, bearing cups, ABS tone ring, and wheel studs in one service part for a clean front brake repair.
Key Features
- Front disc brake rotor and hub assembly for select Chevrolet Astro and GMC Safari models
- Vented rotor design with a 11.85 in. (301 mm) outside diameter
- Nominal thickness: 1.04 in. (26.3 mm); discard thickness: 0.96 in. (24.5 mm)
- 5-stud hub with 1/2-20 thread size and 5 in. (127 mm) bolt circle diameter
- ABS tone ring included
- Inner bearing cup and outer bearing cup included
- Wheel studs included
- Non-directional brake surface for consistent pad contact
- Cross-drilled: No; slotted: No; rust resistant coating: No
Detailed Description
DuraGo BR5578 is engineered as a front rotor and hub assembly for 1990-2002 Chevrolet Astro and 1990-2002 GMC Safari front brake service. The vented rotor construction supports heat management during repeated stops, while the non-directional braking surface helps maintain even pad contact during break-in and normal operation. With the ABS tone ring, bearing cups, and wheel studs included, this assembly addresses the core wear components in one replacement part. This part cross-references Dorman - HELP 56152 for the same application.
DuraGo has over 45 years of aftermarket manufacturing experience, and its brake drum and rotor program is built for catalog coverage and first-to-market applications. BR5578 reflects that focus with ISO-certified manufacturing and attention to fit, form, and function. For buyers searching for a front brake rotor and hub assembly for Chevrolet Astro or GMC Safari, BR5578 provides the specified dimensions and hardware configuration needed for the listed vehicles.
Common Problems This Part Can Address
- Front brake pulsation caused by rotor wear or thickness variation
- Noise or roughness from a worn hub and bearing cup assembly
- ABS warning concerns related to a damaged or missing tone ring
- Loose or damaged wheel stud mounting at the front hub
- Brake service on Chevrolet Astro and GMC Safari front axle applications
Installation Notes and Tips
Verify rotor diameter, bolt circle, stud thread size, and bearing cup configuration before installation. Clean the hub mounting surface and inspect related brake components, including pads and caliper hardware, so the new assembly seats correctly. After installation, confirm proper wheel torque and check ABS operation if the vehicle is equipped with anti-lock brakes.
Quality Assurance
DuraGo manufactures this rotor and hub assembly in ISO-certified factories to meet fit, form, and function requirements. The BR5578 is built to match the listed application details for front brake service on Chevrolet Astro and GMC Safari models.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2002 | Chevrolet | Astro | RWD | Front | — |
| 2002 | GMC | Safari | RWD | Front | — |
| 2001 | Chevrolet | Astro | RWD | Front | — |
| 2001 | GMC | Safari | RWD | Front | — |
| 2000 | Chevrolet | Astro | RWD | Front | — |
| 2000 | GMC | Safari | RWD | Front | — |
| 1999 | Chevrolet | Astro | RWD | Front | — |
| 1999 | GMC | Safari | RWD | Front | — |
| 1998 | Chevrolet | Astro | RWD | Front | — |
| 1998 | GMC | Safari | RWD | Front | — |
| 1997 | Chevrolet | Astro | RWD | Front | — |
| 1997 | GMC | Safari | RWD | Front | — |
| 1996 | Chevrolet | Astro | RWD | Front | — |
| 1996 | GMC | Safari | RWD | Front | — |
| 1995 | Chevrolet | Astro | RWD | Front | — |
| 1995 | GMC | Safari | RWD | Front | — |
| 1994 | Chevrolet | Astro | RWD | Front | — |
| 1994 | GMC | Safari | RWD | Front | — |
| 1993 | Chevrolet | Astro | RWD | Front | — |
| 1993 | GMC | Safari | RWD | Front | — |
| 1992 | Chevrolet | Astro | RWD | Front | — |
| 1992 | GMC | Safari | RWD | Front | — |
| 1991 | Chevrolet | Astro | RWD | Front | — |
| 1991 | GMC | Safari | RWD | Front | — |
| 1990 | Chevrolet | Astro | RWD | Front | — |
| 1990 | GMC | Safari | RWD | Front | — |
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