DuraGo BR5559 Disc Brake Rotor - Rear

Durable Cast Iron Disc Brake Rotor for Buick, Cadillac, and Oldsmobile

The DuraGo BR5559 disc brake rotor is engineered to provide reliable braking performance for select Buick, Cadillac, and Oldsmobile models. Designed with solid construction and precise dimensions, this rotor ensures consistent stopping power and durability.

• Material: Full cast iron construction for strength and heat dissipation
• Rotor Type: Solid disc brake rotor, conventional design
• Outside Diameter: 10.02 inches (254.5 mm)
• Nominal Thickness: 0.5 inches (12.6 mm) with discard thickness at 0.43 inches (10.9 mm)
• Mounting Bolt Pattern: 5 holes with 4.53 inch (115 mm) bolt circle diameter
• Center Hole Diameter: 2.78 inches (70.7 mm)
• Non-directional brake surface for versatile installation

Technical Details and Construction

The DuraGo BR5559 rotor is made from full cast iron, a material known for its excellent thermal conductivity and wear resistance. This solid rotor features a conventional design without cross-drilling or slotting, which suits vehicles that require standard braking components. The rotor’s overall height measures 1.5 inches (38 mm), and it includes five mounting bolt holes with a 0.51 inch (13 mm) diameter, ensuring compatibility with the specified vehicle models. The non-directional brake surface allows for flexible installation without concern for rotor orientation.

Compatible Vehicles and Applications

This disc brake rotor is compatible with various Buick, Cadillac, and Oldsmobile models, including:

• Buick Allante
• Cadillac Eldorado, Seville
• Oldsmobile Reatta, Riviera, Toronado

It is designed to replace worn or damaged rotors, restoring proper braking function and safety for these specific vehicles.

Common Issues Addressed by the DuraGo BR5559 Rotor

• Brake pulsation caused by warped rotors
• Reduced braking efficiency due to worn rotor thickness
• Noise and vibration from uneven rotor surfaces
• Overheating and brake fade during normal driving conditions
• Corrosion-related rotor degradation (note: this rotor does not include rust-resistant coating)

Installation Notes and Tips

• Ensure the rotor thickness is above the discard thickness of 0.43 inches before installation
• Clean the rotor surface and hub mounting area to prevent uneven contact
• Use proper torque specifications for the 5 mounting bolts to avoid rotor warping
• Check brake pads for wear and replace if necessary during rotor installation
• Verify compatibility with ABS systems as this rotor does not include an ABS tone ring

Quality Assurance and Warranty

DuraGo manufactures the BR5559 rotor to meet industry standards for fit, form, and function. While this rotor does not feature a rust-resistant coating, its full cast iron construction provides reliable durability under normal operating conditions. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.