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DuraGo BR55020 Disc Brake Rotor and Hub Assembly - Front
Overview of DuraGo BR55020 Disc Brake Rotor and Hub Assembly
The DuraGo BR55020 is a disc brake rotor and hub assembly designed specifically for Chevrolet G30 models. Engineered to meet precise fitment requirements, this assembly ensures reliable braking performance and proper wheel alignment for your vehicle.
- Compatible with Chevrolet G30
- Part number BR55020
- Vented rotor design for heat dissipation
- ABS tone ring included for sensor compatibility
- Includes inner and outer bearing cups
- Equipped with 8 wheel studs, 9/16-18 thread size
- Non-directional brake surface
- Rotor outside diameter: 12.52 inches (318 mm)
- Mounting bolt hole circle diameter: 6.5 inches (165.1 mm)
- Overall height: 4.74 inches (120.4 mm)
Technical Specifications and Features
The DuraGo BR55020 rotor and hub assembly features a vented rotor type that helps reduce heat buildup during braking, which is critical for maintaining consistent stopping power on the Chevrolet G30. The rotor has a nominal thickness of 1.28 inches (32.6 mm) and a discard thickness of 1.21 inches (30.86 mm), ensuring it meets safety standards for wear limits. This assembly includes an ABS tone ring, which is essential for vehicles equipped with ABS systems, providing accurate wheel speed data to the vehicle’s control module.
The hub assembly comes with 8 wheel studs sized 9/16-18, facilitating secure wheel mounting. Both inner and outer bearing cups are included, simplifying installation and ensuring proper bearing fitment. The brake surface is non-directional, allowing for flexible installation without concern for rotor orientation. Note that this rotor does not have rust-resistant coating, so proper maintenance is recommended to prevent corrosion over time.
Applications and Problem Solving
This DuraGo disc brake rotor and hub assembly is designed for use on Chevrolet G30 vans and trucks, providing a direct replacement for worn or damaged components. It addresses several common issues:
- Eliminates brake pulsation caused by warped rotors
- Restores proper wheel bearing function with included bearing cups
- Ensures ABS sensor accuracy with integrated tone ring
- Prevents wheel looseness with included wheel studs
- Improves braking performance by replacing worn or undersized rotors
Installation Notes and Tips
When installing the DuraGo BR55020 rotor and hub assembly on a Chevrolet G30, ensure the mounting surfaces are clean and free of debris. Verify the wheel stud torque specifications and use a calibrated torque wrench to avoid over-tightening. Since the rotor surface is non-directional, it can be installed on either side without affecting performance. Check the ABS sensor alignment with the tone ring during installation to maintain proper ABS function. Regular inspection of rotor thickness is recommended to monitor wear and discard limits.
Quality Assurance and Warranty
DuraGo manufactures the BR55020 rotor and hub assembly to meet or exceed OEM specifications for fit and function on Chevrolet G30 vehicles. While this product does not feature a rust-resistant coating, it is constructed from durable materials designed for long service life under normal operating conditions. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | DuraGo |
|---|---|
| Part Number | BR55020 |
| ABS Tone Ring Included | Yes |
| Cross Drilled | No |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Discard Thickness | 1.21 |
| Discard Thickness | 30.86 |
| Inner Bearing Cup Included | Yes |
| Mounting Bolt Hole Circle Diameter | 6.5 |
| Mounting Bolt Hole Circle Diameter | 165.1 |
| Nominal Thickness | 1.28 |
| Nominal Thickness | 32.6 |
| Outer Bearing Cup Included | Yes |
| Overall Height | 4.74 |
| Overall Height | 120.4 |
| Rotor Outside Diameter | 12.52 |
| Rotor Outside Diameter | 318 |
| Rust Resistant Coating | No |
| Slotted | No |
| Solid Or Vented Type Rotor | Vented |
| Stud Quantity | 8 |
| Stud Thread Size | 9/16-18 |
| Wheel Studs Included | Yes |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1995 | Chevrolet | G30 | Front | SRW 13 x 2-1/2 Inch Rear Shoes |
| 1995 | GMC | G3500 | Front | SRW w/ 13 x 2 1/2 Inch Rear Shoes |
| 1994 | Chevrolet | G30 | Front | SRW 13 x 2-1/2 Inch Rear Shoes |
| 1994 | GMC | G3500 | Front | SRW w/ 13 x 2 1/2 Inch Rear Shoes |
| 1993 | Chevrolet | G30 | Front | SRW 13 x 2-1/2 Inch Rear Shoes |
| 1993 | GMC | G3500 | Front | SRW w/ 13 x 2 1/2 Inch Rear Shoes |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.