DuraGo BR31290 Disc Brake Rotor - Rear

Overview of DuraGo BR31290 Disc Brake Rotor

The DuraGo BR31290 is a solid disc brake rotor designed specifically for Acura RL models. Crafted from durable cast iron, this rotor offers reliable braking performance and consistent wear characteristics for your vehicle.

• Material: Cast iron for strength and heat dissipation
• Construction: Full cast solid rotor with drum-in-hat design
• Outside Diameter: 11.09 inches (281.8 mm)
• Nominal Thickness: 0.47 inches (12 mm)
• Discard Thickness: 0.39 inches (10 mm)
• Mounting Bolt Hole Quantity: 5 with 0.5 inch (12.6 mm) diameter holes
• Center Hole Diameter: 2.76 inches (70.2 mm)
• Mounting Bolt Hole Circle Diameter: 4.5 inches (114.3 mm)
• Non-directional brake surface, no rust resistant coating
• ABS tone ring not included

Detailed Product Description

The DuraGo BR31290 disc brake rotor is engineered for Acura RL vehicles requiring a reliable replacement rotor. Its full cast solid construction ensures structural integrity and consistent braking performance under normal driving conditions. The rotor features a drum-in-hat design, integrating the parking brake drum within the rotor assembly, which is common for this vehicle application. With an outside diameter of 11.09 inches and a nominal thickness of 0.47 inches, this rotor meets OEM specifications for fit and function. The mounting bolt pattern includes five holes with a 4.5-inch bolt circle diameter, ensuring proper alignment and secure installation. This rotor does not include an ABS tone ring and is designed with a non-directional braking surface, allowing for flexible installation orientation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Addressing rotor thickness below discard limits to maintain safe braking
• Resolving uneven brake pad wear due to rotor surface irregularities
• Fixing brake fade issues related to rotor overheating or damage
• Restoring proper parking brake function with integrated drum-in-hat design

Installation Notes and Tips

• Verify rotor thickness before installation; discard thickness is 0.39 inches
• Ensure mounting surfaces are clean and free of debris for proper fit
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Check compatibility with Acura RL brake system components prior to installation
• Brake rotor should be installed on vehicles without ABS tone ring requirements

Quality Assurance and Warranty

DuraGo manufactures the BR31290 rotor to meet or exceed OEM standards for durability and performance. The cast iron material provides consistent heat dissipation and wear resistance. While this rotor does not feature a rust resistant coating, proper maintenance and brake system care will help extend service life. Warranty coverage details should be confirmed with the product distributor or manufacturer documentation.