DuraGo BR55054 Disc Brake Rotor - Front

Durable Cast Iron Disc Brake Rotor for GM Trucks and SUVs

The DuraGo BR55054 disc brake rotor is engineered for reliable braking performance on select Cadillac, Chevrolet, and GMC vehicles. Designed with vented construction and precise dimensions, this rotor supports consistent heat dissipation and long service life for models like the Silverado 1500 and Yukon XL 1500.

• Material: Full cast iron construction for strength and durability
• Vented rotor design to improve heat dissipation
• Nominal thickness of 1.14 inches (29 mm) with discard thickness at 1.07 inches (27.2 mm)
• Outside diameter of 11.99 inches (304.5 mm) for exact fitment
• Six mounting bolt holes with a 5.5 inch (139.7 mm) bolt circle diameter
• Non-directional brake surface suitable for conventional braking systems
• Compatible with multiple GM models including Escalade, Suburban 1500, and Sierra 1500 HD

Technical Details and Construction

The DuraGo BR55054 rotor features a full cast iron build, providing the necessary rigidity and thermal capacity for demanding braking conditions. Its vented design allows air to flow between the rotor faces, reducing heat buildup and minimizing brake fade during extended use. The rotor measures 11.99 inches in outside diameter and 2.28 inches in overall height, ensuring proper clearance and fitment on compatible vehicles. With six mounting bolt holes spaced on a 5.5 inch circle, installation aligns precisely with factory specifications.

Compatible Vehicles and Applications

This disc brake rotor is compatible with a range of Cadillac, Chevrolet, and GMC trucks and SUVs, including:

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Silverado 1500, Silverado 1500 Classic, Avalanche 1500, Suburban 1500, Tahoe
• GMC Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD, Yukon, Yukon XL 1500
• Express 1500, Express 2500, Savana 1500, Savana 2500, Astro, Safari

Common Issues Addressed by This Rotor

• Brake pulsation caused by warped or uneven rotors
• Reduced braking efficiency due to worn rotor thickness
• Excessive heat buildup leading to brake fade
• Noise and vibration from damaged or corroded rotors
• Uneven pad wear resulting from rotor surface irregularities

Installation Notes and Tips

When installing the DuraGo BR55054 rotor, ensure the vehicle is securely lifted and the wheel assembly is removed. Clean the hub surface to remove rust or debris before mounting the rotor. Verify rotor thickness with a micrometer to confirm it meets or exceeds discard thickness specifications. Use proper torque settings on mounting bolts to avoid rotor distortion. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

DuraGo disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The BR55054 rotor undergoes rigorous quality control to ensure consistent performance and durability. While specific warranty details may vary, DuraGo typically offers coverage against defects in materials and workmanship, providing confidence in the product's reliability.