DuraGo BR55073 Disc Brake Rotor - Rear

Reliable DuraGo Disc Brake Rotor for Select GM and Isuzu Models

The DuraGo BR55073 disc brake rotor is engineered to provide consistent braking performance for a range of vehicles including Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Designed as a vented, drum-in-hat rotor, it offers durability and effective heat dissipation for improved brake system reliability.

• Constructed from full cast iron for strength and longevity
• Vented rotor design enhances cooling during braking
• Drum-in-hat type rotor integrates parking brake drum functionality
• Non-directional brake surface for versatile installation
• Compatible with 6 mounting bolt holes and precise fitment dimensions

Technical Specifications and Design Features

The BR55073 rotor features a nominal thickness of 0.79 inches (20.1 mm) and a discard thickness of 0.73 inches (18.5 mm), ensuring clear service limits for maintenance. Its overall height measures 3.35 inches (85.1 mm) with an outside diameter of 12.8 inches (325 mm). The rotor includes six mounting bolt holes with a bolt circle diameter of 5 inches (127 mm) and a center hole diameter of 3.09 inches (78.6 mm). This rotor does not include an ABS tone ring and is neither cross-drilled nor slotted, focusing on standard braking applications without additional surface modifications.

Compatible Vehicles and Applications

This DuraGo disc brake rotor is compatible with various GM and related models, including Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. Specific models supported include the Chevrolet Trailblazer, Trailblazer EXT, SSR, GMC Envoy, Envoy XL, Envoy XUV, Buick Rainier, Isuzu Ascender, Oldsmobile Bravada, and Saab 9-7x. The BR55073 rotor is designed to meet the exact fitment requirements of these vehicles, ensuring proper installation and performance.

• Addresses rotor wear and thickness below discard limits
• Resolves brake pulsation caused by warped rotors
• Replaces damaged or scored rotors for improved braking
• Supports parking brake function with drum-in-hat design
• Maintains braking efficiency under normal driving conditions

Installation Notes and Tips

When installing the DuraGo BR55073 rotor, ensure the mounting surface is clean and free of debris to prevent uneven rotor seating. Verify the rotor thickness is within nominal specifications before installation. Since this rotor is non-directional, it can be installed on either side of the vehicle. Use proper torque specifications for the six mounting bolts to secure the rotor. Note that this rotor does not include an ABS tone ring, so it is compatible with vehicles that do not require this feature.

Quality Assurance and Warranty Information

DuraGo manufactures the BR55073 rotor with cast iron material and full cast construction to meet industry standards for durability and performance. While this rotor does not feature a rust-resistant coating, proper maintenance and brake system care can help extend its service life. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation to ensure protection against defects.