DuraGo BR55112-01 Disc Brake Rotor - Front

Durable DuraGo Disc Brake Rotor for Buick, Chevrolet, GMC, and Isuzu

The DuraGo BR55112-01 disc brake rotor is engineered to provide reliable braking performance for select Buick, Chevrolet, GMC, and Isuzu models. Designed with a vented, full cast construction and rust-resistant coating, this rotor ensures consistent heat dissipation and long-lasting durability.

• Material: Cast iron for strength and heat resistance
• Vented rotor design for improved cooling
• Rust-resistant coating to reduce corrosion
• Nominal thickness: 1.14 inches (29 mm)
• Discard thickness: 1.08 inches (27.5 mm)
• Outside diameter: 11.89 inches (302 mm)
• Mounting bolt hole quantity: 6 with 0.52 inch (13.2 mm) diameter
• Non-directional brake surface for versatile installation
• Compatible with Buick, Chevrolet, GMC, and Isuzu models including Ascender, Envoy, Rainier, SSR, and Trailblazer

Technical Details and Construction

The DuraGo BR55112-01 rotor features a full cast iron construction that balances durability with effective heat dissipation. Its vented design allows air to flow between the rotor surfaces, reducing brake fade during heavy use. The rotor’s rust-resistant coating helps protect against corrosion, extending the service life in various driving conditions. With a nominal thickness of 1.14 inches and a discard thickness of 1.08 inches, this rotor meets OEM specifications for safe and reliable braking performance. The 6-bolt mounting pattern and 11.89-inch outside diameter ensure proper fitment on compatible vehicles.

Compatible Vehicles and Applications

• Buick Ascender
• Chevrolet Trailblazer and SSR
• GMC Envoy and Rainier
• Isuzu models compatible with specified dimensions

This rotor is designed for drivers seeking a direct replacement part that maintains factory braking characteristics on these specific models.

Common Issues Addressed by This Rotor

• Brake rotor warping causing vibration during braking
• Excessive brake fade from overheating
• Corrosion and rust buildup reducing rotor lifespan
• Uneven brake pad wear due to rotor surface damage
• Noise and reduced braking efficiency from worn rotors

Installation Notes and Tips

Ensure the rotor surface and hub are clean and free of debris before installation. Verify rotor thickness is within discard limits to maintain safety. Use proper torque specifications for the 6 mounting bolts to avoid rotor distortion. This rotor is non-directional, allowing installation on either side without concern for rotation direction. ABS tone ring is not included, so verify compatibility with your vehicle’s ABS system.

Quality Assurance and Warranty

DuraGo disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The BR55112-01 rotor undergoes rigorous quality control to ensure consistent performance and durability. While specific warranty details are not provided, DuraGo products typically come with a limited warranty against defects in materials and workmanship. Consult your supplier for exact warranty terms.