DuraGo BR5577 Disc Brake Rotor and Hub Assembly - Front

Overview of DuraGo BR5577 Disc Brake Rotor and Hub Assembly

The DuraGo BR5577 is a vented disc brake rotor and hub assembly designed for select Buick, Cadillac, Chevrolet, and Oldsmobile models. Engineered to meet specific fitment requirements, this rotor assembly includes essential components for reliable braking performance on vehicles like the Caprice, Impala, and Fleetwood.

• Vented rotor design for improved heat dissipation
• Includes ABS tone ring for compatible anti-lock braking systems
• Comes with inner and outer bearing cups and wheel studs
• 5 stud quantity with M12 x 1.5 thread size
• Non-directional brake surface for versatile installation
• Rotor outside diameter of 301.5 mm (11.87 inches)
• Mounting bolt hole circle diameter of 127 mm (5 inches)

Detailed Product Features and Specifications

The DuraGo BR5577 rotor and hub assembly features a nominal thickness of 26.3 mm (1.04 inches) and a discard thickness of 24.5 mm (0.96 inches), ensuring precise wear limits for safe operation. Its vented design helps maintain optimal braking temperatures by allowing air to circulate through the rotor, reducing the risk of brake fade during extended use. The assembly includes an ABS tone ring, which is critical for vehicles equipped with anti-lock braking systems, providing accurate wheel speed data for enhanced safety.

With a 5-stud configuration and M12 x 1.5 thread size, this rotor assembly is compatible with mounting bolt hole circle diameter of 127 mm (5 inches). The overall height measures 118 mm (4.65 inches), accommodating the hub assembly and bearing cups included in the package. The non-directional brake surface allows for flexible installation without concern for rotor orientation.

Compatible Vehicles and Applications

This DuraGo rotor and hub assembly is compatible with a range of GM vehicles, including:

• Buick Brougham and Roadmaster
• Cadillac Fleetwood
• Chevrolet Caprice, Impala, and Commercial Chassis
• Oldsmobile Cutlass Cruiser and Custom Cruiser

It is designed to replace worn or damaged rotors and hubs on these models, restoring braking performance and safety.

Common Issues Addressed by DuraGo BR5577

• Brake rotor warping causing vibration or pulsation during braking
• Excessive rotor wear below discard thickness limits
• Damaged or worn hub bearings affecting wheel alignment and noise
• ABS sensor errors due to missing or faulty tone rings
• Corrosion or damage to wheel studs impacting wheel mounting

Installation Notes and Tips

• Ensure vehicle compatibility by verifying make, model, and year before installation
• Inspect wheel bearings and replace if necessary when installing the new hub assembly
• Torque wheel studs and mounting bolts to manufacturer specifications
• Check ABS sensor functionality after installation to confirm tone ring alignment
• Use proper tools to avoid damage to the rotor surface and hub components

Quality Assurance and Warranty Information

DuraGo manufactures the BR5577 rotor and hub assembly to meet or exceed OEM specifications for fit, form, and function. While this product does not include a rust-resistant coating, it is engineered for durability under normal operating conditions. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary by region and purchase terms.