Bosch 53011485 Disc Brake Rotor - Front

Bosch QuietCast Rotor for MX-5 Miata

The Bosch QuietCast Disc Brake Rotor, part number 53011485, is a front brake rotor for the 2016-2025 Mazda MX-5 Miata. It uses an iron alloy vented construction with a smooth directional braking surface to support consistent pedal feel and even pad contact.

Built for front axle service on the Mazda MX-5 Miata, this rotor features a Geomet disc finish, coated hat finish, and rust-resistant coating to help protect exposed surfaces. The 280 mm outside diameter, 22 mm nominal thickness, and 55 mm center bore align with the listed application.

Key Features

• Part number 53011485 Bosch QuietCast Disc Brake Rotor
• Fits 2016-2025 Mazda MX-5 Miata, front
• Iron alloy vented rotor construction
• Smooth brake surface with directional braking surface design
• Geomet disc finish and coated hat finish
• Rust-resistant coating for added surface protection
• Conventional rotor without hub assembly
• 280 mm outside diameter, 22 mm nominal thickness, 55 mm center bore

Detailed Description

Bosch QuietCast brake rotors are positioned for drivers who want a direct-fit replacement rotor with attention to surface protection and braking consistency. This Bosch QuietCast Disc Brake Rotor, part number 53011485, is specified for the front position on the Mazda MX-5 Miata across the 2016-2025 model years. The vented iron alloy design supports heat management during repeated braking, while the smooth surface finish helps promote even pad contact during break-in and everyday driving.

The rotor includes a Geomet disc finish, coated hat finish, and rust-resistant coating to help reduce visible corrosion on exposed areas. It is a rotor without hub assembly and does not include bearings. This part cross-references Monroe Shocks & Struts (e.g., NA5F33251A) for the same application.

Common Brake Issues This Rotor Can Address

• Front brake pulsation caused by rotor wear or thickness variation
• Brake noise related to uneven rotor surfaces
• Corrosion on the braking surface or hat area
• Reduced braking consistency from worn front rotors
• Service replacement for a damaged or out-of-spec rotor

Installation Notes and Tips

Verify rotor dimensions, bolt pattern, and center bore before installation on the Mazda MX-5 Miata. Clean the hub mounting surface thoroughly, inspect pads and caliper hardware for wear, and follow the vehicle manufacturer’s torque specifications during reassembly. After installation, perform a proper brake bedding procedure to help establish even pad transfer on the new rotor.

Quality Assurance

Bosch QuietCast rotors are built around OE-style fitment and surface protection features for direct replacement service. Part number 53011485 is manufactured with a coated finish package and vented construction to support dependable front brake service on the Mazda MX-5 Miata.