DuraGo BR55051 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Buick, Cadillac, and Pontiac

The DuraGo BR55051 disc brake rotor is engineered to provide consistent braking performance for select Buick, Cadillac, and Pontiac models. Designed with durable cast iron construction, this solid rotor meets the demands of everyday driving and replacement needs.

• Material: Cast iron for durability and heat dissipation
• Solid rotor design with no cross-drilling or slots
• Nominal thickness: 0.44 inches (11.2 mm)
• Discard thickness: 0.35 inches (9 mm)
• Outside diameter: 11.72 inches (297.7 mm)
• Mounting bolt hole quantity: 5 with 4.65 inch (118 mm) bolt circle diameter
• Non-directional brake surface for versatile installation
• Compatible with Buick Bonneville, Cadillac DeVille, Park Avenue, and Seville

Durable Construction and Precise Fitment

The BR55051 rotor features a full cast iron construction that offers reliable strength and effective heat management during braking. Its solid design without slots or cross-drilled holes ensures uniform wear and reduces the risk of cracking under normal operating conditions. The rotor’s dimensions, including an overall height of 1.52 inches (38.7 mm) and a center hole diameter of 2.79 inches (70.8 mm), are engineered to match factory specifications for a direct replacement. This rotor does not include an ABS tone ring and is designed for conventional mounting, making it suitable for vehicles without advanced ABS sensor integration.

Compatible Vehicle Applications

This DuraGo disc brake rotor is compatible with the following vehicles:

• Buick Bonneville
• Cadillac DeVille
• Cadillac Seville
• Pontiac Park Avenue

Ensure compatibility by verifying the part number BR55051 against your vehicle’s specifications before installation.

Common Issues Addressed by This Rotor

• Uneven or excessive brake pad wear
• Brake pulsation or vibration during stopping
• Reduced braking efficiency due to worn rotors
• Noise or squealing caused by rotor surface damage
• Corrosion-related rotor degradation (note: this rotor does not have rust-resistant coating)

Installation Notes and Tips

• Inspect hub and mounting surfaces for cleanliness before installation
• Measure rotor thickness to ensure it meets minimum discard thickness of 0.35 inches (9 mm)
• Use proper torque specifications for the 5 mounting bolts
• Check brake pads for wear and replace if necessary to ensure optimal rotor performance
• Perform a bed-in procedure after installation to maximize braking efficiency

Quality Assurance and Warranty

DuraGo brake rotors are manufactured to meet industry standards for fit and function. The BR55051 rotor undergoes quality control checks to ensure dimensional accuracy and material integrity. While this product does not include a rust-resistant coating, it is designed for reliable service life under normal driving conditions. Warranty coverage details should be confirmed with the product distributor or manufacturer.