DuraGo BR900900 Disc Brake Rotor - Rear

Durable Cast Iron Disc Brake Rotor for Select GM and Saab Models

The DuraGo BR900900 disc brake rotor is engineered to provide reliable braking performance for a range of Buick, Cadillac, Chevrolet, and Saab vehicles. Designed with a full cast construction and vented design, this rotor supports effective heat dissipation and consistent stopping power.

• Material: Cast iron for durability and heat resistance
• Vented rotor design to improve cooling during braking
• Nominal thickness of 0.91 inches (23 mm) with discard thickness at 0.85 inches (21.5 mm)
• Overall height of 1.89 inches (48 mm) and outside diameter of 12.4 inches (315 mm)
• Five mounting bolt holes with a 120 mm bolt circle diameter
• Non-directional brake surface for versatile installation
• Conventional rotor type without ABS tone ring

Technical Details and Construction

The BR900900 rotor features a full cast iron construction, providing a solid and durable braking surface. Its vented design allows air to flow between the rotor faces, reducing heat buildup and minimizing brake fade during extended use. With a nominal thickness of 0.91 inches and a discard thickness of 0.85 inches, this rotor meets specifications for maintaining safe braking performance. The rotor’s 12.4-inch outside diameter and 1.89-inch overall height ensure compatibility with specific vehicle models. The five mounting bolt holes with a 120 mm bolt circle diameter and 0.64-inch hole diameter provide secure attachment to the hub assembly.

Compatible Vehicles and Applications

This DuraGo disc brake rotor is compatible with various Buick, Cadillac, Chevrolet, and Saab models, including the Buick Allure, LaCrosse, Regal, and LaCrosse; Cadillac CT5, CT6, and XTS; Chevrolet Camaro, Impala, and Malibu; and Saab 9-5. The part number BR900900 is designed to meet the braking requirements of these vehicles, ensuring proper fit and function.

• Replaces worn or warped rotors causing vibration or noise
• Addresses rotor thickness below manufacturer discard limits
• Improves braking consistency and heat dissipation
• Eliminates pulsation or uneven brake pad wear
• Restores proper rotor dimensions for safe braking

Installation Notes and Tips

When installing the DuraGo BR900900 rotor, ensure the hub surface is clean and free of rust or debris to promote proper rotor seating. Use a torque wrench to tighten mounting bolts to manufacturer specifications. Since this rotor does not include an ABS tone ring, verify compatibility with your vehicle’s ABS system. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor life.

Quality Assurance and Warranty

DuraGo rotors are manufactured to meet or exceed OEM standards for material and dimensional accuracy. While this rotor does not feature a rust-resistant coating, its cast iron construction provides reliable durability under normal operating conditions. Please refer to DuraGo’s warranty policy for specific coverage details related to the BR900900 part number.