Bosch 53011482 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Mazda 3 and 3 Sport

The Bosch QuietCast Disc Brake Rotor 53011482 offers a durable and precise braking solution designed specifically for Mazda 3 and Mazda 3 Sport models. Engineered with quality materials and finishes, this rotor ensures consistent performance and rust resistance for everyday driving conditions.

• Constructed from a robust iron alloy for strength and durability
• Vented, conventional disc design for effective heat dissipation
• Directional smooth brake surface finish for optimized braking
• Geomet disc finish and coated hat finish for enhanced corrosion resistance
• Rust resistant coating extends rotor life in various environments
• Measures 280 mm outside diameter with 5 mounting bolt holes
• Nominal thickness of 25 mm with a discard thickness of 23 mm
• Compatible with Mazda 3 and 3 Sport models requiring a 68 mm center bore diameter

About the Bosch QuietCast Disc Brake Rotor Line

The Bosch QuietCast Disc Brake Rotor line is engineered to provide reliable braking performance with a focus on noise reduction and durability. This product line features rotors with smooth, directional braking surfaces and protective coatings such as Geomet and rust resistant finishes. The 53011482 rotor exemplifies these qualities, offering a vented construction that helps maintain optimal operating temperatures and consistent stopping power for Mazda vehicles.

Product Details and Specifications

This disc brake rotor is made from a high-quality iron alloy, ensuring structural integrity and long service life. The rotor features a vented design that improves heat dissipation during braking, reducing the risk of brake fade. The smooth brake surface finish and directional braking surface optimize pad contact and braking efficiency. The Geomet disc finish combined with a coated hat finish provides enhanced protection against corrosion and rust, which is critical for maintaining rotor performance over time. With an overall height of 46.5 mm and a 280 mm outside diameter, this rotor fits Mazda 3 and 3 Sport models equipped with a 5-bolt mounting pattern and a 114.3 mm bolt circle diameter. The rotor thickness is 25 mm nominal, with a discard thickness of 23 mm, indicating when replacement is necessary.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing vibration or pulsation during braking
• Addressing rust and corrosion issues that reduce braking efficiency
• Improving braking performance on Mazda 3 and 3 Sport vehicles with original equipment rotor wear
• Reducing brake noise through smooth, directional braking surfaces
• Maintaining consistent braking under normal driving conditions with vented rotor design

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 23 mm before installation. This rotor is designed for conventional mounting and requires a 5-bolt pattern with a 114.3 mm bolt circle diameter. The center bore diameter is 68 mm, so verify compatibility with your vehicle’s hub. Bearings are not included with this rotor, so retain or replace existing bearings as needed. Proper cleaning of the rotor surface before installation is recommended to remove any protective coatings or residues.

Quality Assurance and Warranty

Bosch manufactures the QuietCast Disc Brake Rotor 53011482 to meet or exceed OEM specifications for Mazda 3 and 3 Sport models. The rotor includes a rust resistant coating and durable finishes to extend service life. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. Consult Bosch or your parts provider for exact warranty terms.