DuraGo BR55087-01 Disc Brake Rotor - Front

Durable Cast Iron Disc Brake Rotor for Buick and Chevrolet Models

The DuraGo BR55087-01 disc brake rotor offers reliable braking performance for select Buick, Chevrolet, Pontiac, and Saturn vehicles. Engineered with a full cast iron construction and rust-resistant coating, this vented rotor is designed to maintain consistent stopping power and durability under various driving conditions.

• Constructed from full cast iron for strength and heat dissipation
• Vented design improves cooling and reduces brake fade
• Rust-resistant coating extends rotor life and maintains appearance
• Nominal thickness of 1.28 inches (32.4 mm) with discard thickness at 1.21 inches (30.7 mm)
• Overall diameter of 11.69 inches (297 mm) with 5 mounting bolt holes
• Non-directional brake surface suitable for conventional braking systems

Product Details and Specifications

The DuraGo BR55087-01 rotor is a vented, conventional type rotor made from cast iron, providing a balance of durability and heat management. Its nominal thickness measures 1.28 inches (32.4 mm), with a discard thickness of 1.21 inches (30.7 mm), ensuring safe replacement intervals. The rotor features a rust-resistant coating to help prevent corrosion and maintain performance over time. With an outside diameter of 11.69 inches (297 mm) and an overall height of 2.04 inches (51.9 mm), it fits vehicles requiring a 5-bolt mounting pattern with a bolt circle diameter of 4.65 inches (118 mm). The center hole diameter is 2.79 inches (70.8 mm), and the mounting bolt hole diameter is 0.65 inches (16.5 mm). This rotor does not include an ABS tone ring and is designed with a non-directional braking surface, making it compatible with a wide range of braking systems.

Compatible Vehicles and Applications

This disc brake rotor is compatible with the following makes and models:

• Buick Allure, LaCrosse
• Chevrolet Montana, Uplander
• Pontiac Grand Prix, Relay, Terraza
• Saturn models requiring this rotor specification

It is designed to replace worn or damaged rotors on these vehicles, restoring braking efficiency and safety.

Common Issues Addressed by This Rotor

• Brake pulsation or vibration due to warped rotors
• Reduced braking performance from worn or thin rotors
• Corrosion and rust buildup affecting rotor surface
• Overheating and brake fade during extended use
• Noise or uneven braking caused by damaged rotors

Installation Notes and Tips

When installing the DuraGo BR55087-01 rotor, ensure the rotor surface is clean and free of debris before mounting. Verify the rotor thickness to confirm it meets or exceeds the discard thickness specification of 1.21 inches (30.7 mm). Use proper torque specifications for the 5 mounting bolts to avoid rotor warping. Since this rotor does not include an ABS tone ring, confirm compatibility with your vehicle’s ABS system if applicable. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

DuraGo manufactures this rotor with strict quality control standards to meet or exceed OEM specifications. The full cast iron construction and rust-resistant coating contribute to long-lasting durability. While specific warranty details are not provided, DuraGo products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.