Bosch 53011485 Disc Brake Rotor - Front
Reliable Disc Brake Rotor for Mazda MX-5 Miata
The Bosch QuietCast Disc Brake Rotor 53011485 is engineered to provide consistent braking performance for your Mazda MX-5 Miata. Designed with durable materials and a rust-resistant coating, this rotor ensures long-lasting reliability and smooth braking operation.
- Constructed from high-quality iron alloy for strength and durability
- Vented, conventional disc design with a smooth, directional brake surface
- Coated hat finish and Geomet disc finish for enhanced corrosion resistance
- Compatible with Mazda MX-5 Miata models requiring a 280 mm outside diameter rotor
- Mounting bolt hole circle diameter of 100 mm with 4 bolt holes
- Nominal thickness of 22 mm with a discard thickness of 20 mm
- Center bore diameter of 55 mm and overall height of 44 mm
- Part number 53011485 ensures exact fitment and quality standards
About the Bosch QuietCast Disc Brake Rotor Line
The Bosch QuietCast Disc Brake Rotor line is designed to meet or exceed OEM specifications, focusing on quiet operation and reliable braking performance. This product line incorporates advanced coatings and finishes to reduce corrosion and extend rotor life, making it a suitable replacement for the Mazda MX-5 Miata’s braking system.
Product Details and Specifications
This disc brake rotor features a vented construction that helps dissipate heat effectively during braking, reducing the risk of brake fade. The smooth, directional brake surface is engineered to provide consistent pad contact and braking response. The rotor’s Geomet disc finish and coated hat finish offer enhanced protection against rust and corrosion, which is critical for maintaining performance over time. With a thickness of 22 mm and a discard thickness of 20 mm, this rotor maintains structural integrity throughout its service life. The 4 mounting bolt holes with a 100 mm bolt circle diameter ensure proper alignment and fitment on the Mazda MX-5 Miata.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Addressing rust and corrosion issues on original brake rotors
- Improving braking consistency and reducing noise in Mazda MX-5 Miata
- Restoring proper rotor thickness to maintain safe braking performance
- Upgrading to a rotor with enhanced heat dissipation for better durability
Installation Notes and Tips
Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness is within specifications and replace if below the discard thickness of 20 mm. Use proper torque settings on the 4 mounting bolts to avoid rotor warping. This rotor is designed for directional installation; confirm the correct orientation during mounting. Bearings are not included with this rotor and should be inspected separately.
Quality Assurance and Warranty
The Bosch QuietCast Disc Brake Rotor 53011485 is manufactured to meet strict quality standards for fit, form, and function. Bosch provides reliable engineering and materials to ensure consistent braking performance. Please refer to Bosch’s official warranty policy for coverage details.
Original: $75.28
-65%$75.28
$26.35

Description
Reliable Disc Brake Rotor for Mazda MX-5 Miata
The Bosch QuietCast Disc Brake Rotor 53011485 is engineered to provide consistent braking performance for your Mazda MX-5 Miata. Designed with durable materials and a rust-resistant coating, this rotor ensures long-lasting reliability and smooth braking operation.
- Constructed from high-quality iron alloy for strength and durability
- Vented, conventional disc design with a smooth, directional brake surface
- Coated hat finish and Geomet disc finish for enhanced corrosion resistance
- Compatible with Mazda MX-5 Miata models requiring a 280 mm outside diameter rotor
- Mounting bolt hole circle diameter of 100 mm with 4 bolt holes
- Nominal thickness of 22 mm with a discard thickness of 20 mm
- Center bore diameter of 55 mm and overall height of 44 mm
- Part number 53011485 ensures exact fitment and quality standards
About the Bosch QuietCast Disc Brake Rotor Line
The Bosch QuietCast Disc Brake Rotor line is designed to meet or exceed OEM specifications, focusing on quiet operation and reliable braking performance. This product line incorporates advanced coatings and finishes to reduce corrosion and extend rotor life, making it a suitable replacement for the Mazda MX-5 Miata’s braking system.
Product Details and Specifications
This disc brake rotor features a vented construction that helps dissipate heat effectively during braking, reducing the risk of brake fade. The smooth, directional brake surface is engineered to provide consistent pad contact and braking response. The rotor’s Geomet disc finish and coated hat finish offer enhanced protection against rust and corrosion, which is critical for maintaining performance over time. With a thickness of 22 mm and a discard thickness of 20 mm, this rotor maintains structural integrity throughout its service life. The 4 mounting bolt holes with a 100 mm bolt circle diameter ensure proper alignment and fitment on the Mazda MX-5 Miata.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Addressing rust and corrosion issues on original brake rotors
- Improving braking consistency and reducing noise in Mazda MX-5 Miata
- Restoring proper rotor thickness to maintain safe braking performance
- Upgrading to a rotor with enhanced heat dissipation for better durability
Installation Notes and Tips
Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness is within specifications and replace if below the discard thickness of 20 mm. Use proper torque settings on the 4 mounting bolts to avoid rotor warping. This rotor is designed for directional installation; confirm the correct orientation during mounting. Bearings are not included with this rotor and should be inspected separately.
Quality Assurance and Warranty
The Bosch QuietCast Disc Brake Rotor 53011485 is manufactured to meet strict quality standards for fit, form, and function. Bosch provides reliable engineering and materials to ensure consistent braking performance. Please refer to Bosch’s official warranty policy for coverage details.





















