DuraGo BR900676 Disc Brake Rotor - Rear

Durable Cast Iron Disc Brake Rotor for Audi A4 Models

The DuraGo BR900676 disc brake rotor is engineered for reliable braking performance on Audi A4 and A4 Quattro vehicles. Designed with solid construction and precise dimensions, this rotor meets the demands of everyday driving and maintenance needs.

• Material: Full cast iron construction for durability
• Rotor Type: Solid, non-directional brake surface
• Outside Diameter: 245 mm (9.65 inches)
• Nominal Thickness: 10 mm (0.39 inches)
• Discard Thickness: 8 mm (0.31 inches)
• Mounting Bolt Holes: 5 holes with 112 mm (4.41 inches) bolt circle diameter
• Center Hole Diameter: 68 mm (2.68 inches)
• Drum-in-hat design for integrated parking brake compatibility

Technical Details and Construction

The DuraGo BR900676 rotor is constructed from full cast iron, providing consistent heat dissipation and structural integrity. Its solid, non-vented design suits applications where vented rotors are not required. The rotor features a drum-in-hat configuration, allowing it to work seamlessly with the parking brake system on compatible Audi A4 and A4 Quattro models. With an outside diameter of 245 mm and a nominal thickness of 10 mm, this rotor fits precisely to ensure proper braking function. The mounting bolt pattern includes five holes spaced on a 112 mm bolt circle diameter, matching factory specifications for secure installation.

Compatible Vehicles and Applications

This disc brake rotor is compatible with the following vehicles:

• Audi A4
• Audi A4 Quattro

It is designed to replace worn or damaged rotors, restoring braking efficiency and safety for these specific models.

Common Issues Addressed by This Rotor

• Brake pulsation caused by warped rotors
• Reduced braking performance due to rotor wear
• Noise and vibration from uneven rotor surfaces
• Incompatibility with parking brake function on drum-in-hat rotors
• Excessive rotor thickness loss beyond discard limits

Installation Notes and Tips

• Ensure rotor thickness is above the discard thickness of 8 mm before installation
• Clean mounting surfaces to prevent uneven rotor seating
• Torque mounting bolts to manufacturer specifications for safety
• Check compatibility with ABS sensors; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to optimize rotor performance

Quality Assurance and Warranty

DuraGo disc brake rotors are manufactured to meet industry standards for material quality and dimensional accuracy. While this rotor does not feature a rust-resistant coating, proper maintenance and installation will help maintain its service life. Please refer to DuraGo's warranty policy for coverage details on the BR900676 part number.