DuraGo BR55049-01 Disc Brake Rotor - Rear

Overview of DuraGo BR55049-01 Disc Brake Rotor

The DuraGo BR55049-01 disc brake rotor is engineered for reliable braking performance on Chevrolet Blazer and GMC Jimmy models. Constructed from durable cast iron with a rust-resistant coating, this rotor is designed to maintain consistent stopping power and long service life.

• Material: Cast iron for strength and heat dissipation
• Construction: Full cast design for durability
• Rust-resistant coating to reduce corrosion
• Vented rotor type for improved heat management
• Drum-in-hat style with 5 mounting bolt holes
• Non-directional brake surface for versatile installation
• Outside diameter: 11.61 inches (295 mm)
• Nominal thickness: 0.79 inches (20 mm)
• Discard thickness: 0.73 inches (18.5 mm)
• Overall height: 2.86 inches (72.7 mm)
• Center hole diameter: 2.79 inches (70.8 mm)
• Mounting bolt hole circle diameter: 4.75 inches (120.65 mm)
• Mounting bolt hole diameter: 0.52 inches (13.1 mm)

Detailed Product Description

The DuraGo BR55049-01 rotor is a vented disc brake rotor designed specifically for Chevrolet Blazer and GMC Jimmy vehicles. Its full cast iron construction provides the necessary strength and thermal conductivity to handle the demands of braking under various driving conditions. The vented design helps dissipate heat more effectively than solid rotors, reducing the risk of brake fade during extended use. The rotor features a rust-resistant coating that helps protect against corrosion, extending the rotor's usable life and maintaining consistent braking performance.

This rotor uses a drum-in-hat design, integrating the parking brake drum into the rotor assembly, which is common for these vehicle models. The non-directional brake surface allows for flexible installation without concern for rotor orientation. With five mounting bolt holes and precise dimensions, the BR55049-01 ensures a secure fit and proper alignment on compatible Chevrolet Blazer and GMC Jimmy models.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor corrosion and surface rust affecting braking efficiency
• Resolving excessive brake noise due to uneven rotor wear
• Improving heat dissipation to prevent brake fade during heavy braking
• Restoring proper parking brake function with drum-in-hat rotor design

Installation Notes and Tips

When installing the DuraGo BR55049-01 rotor, ensure the mounting surface is clean and free of debris to promote proper seating. Since this rotor is non-directional, it can be installed on either side without concern for rotation direction. Verify that the rotor thickness meets or exceeds the nominal thickness of 0.79 inches (20 mm) and is above the discard thickness of 0.73 inches (18.5 mm) to maintain safe braking performance. Proper torque specifications for the mounting bolts should be followed according to vehicle manufacturer guidelines.

Quality Assurance and Warranty

DuraGo manufactures the BR55049-01 rotor with quality cast iron material and applies a rust-resistant coating to enhance durability. While specific warranty details are not provided, DuraGo products typically meet or exceed OEM standards for fit, form, and function, ensuring reliable performance on Chevrolet Blazer and GMC Jimmy vehicles.