Bosch 53011484 Disc Brake Rotor - Front

Bosch QuietCast Front Brake Rotor

The Bosch QuietCast Disc Brake Rotor, part number 53011484, is a front rotor built for precise fitment and consistent braking performance. It is compatible with Mazda MX-5 Miata front applications from 2016-2025 and Fiat 124 Spider front applications from 2017-2020.

Bosch QuietCast brake rotors are positioned as a refined OE-style replacement line, with attention to surface finish, corrosion protection, and stable braking feel for everyday driving.

Key Features

• Iron alloy construction with a vented design for heat management
• Smooth brake surface finish for even pad contact
• Directional brake surface for application-specific installation
• Geomet disc finish and coated hat finish for added rust resistance
• Conventional rotor design without hub assembly
• 280 mm outside diameter, 22 mm nominal thickness, 20 mm discard thickness
• 4-bolt mounting pattern with 100 mm bolt circle diameter and 55 mm center bore

Detailed Description

Bosch 53011484 is a QuietCast Disc Brake Rotor made from iron alloy and engineered as a vented, smooth-surface front rotor. The Geomet disc finish and coated hat finish help protect exposed surfaces from corrosion, while the directional braking surface supports proper rotor orientation during service. With a 280 mm outside diameter and 22 mm thickness, this rotor matches the dimensional requirements for the listed Mazda MX-5 Miata and Fiat 124 Spider front brake applications.

For drivers searching for a front brake rotor for 2016-2025 Mazda MX-5 Miata or a front brake rotor for 2017-2020 Fiat 124 Spider, Bosch 53011484 provides a direct replacement option built around OE-style dimensions and finish quality. This part cross-references 68313223AA and N25133251 for the same application.

Common Issues This Rotor Can Address

• Brake pulsation caused by rotor wear or thickness variation
• Reduced braking consistency from a worn front rotor surface
• Surface corrosion on the braking face or hat area
• Noise or uneven pad contact related to rotor condition
• Service replacement needs on front brake maintenance intervals

Installation Notes and Tips

Verify rotor diameter, thickness, bolt pattern, and center bore before installation. This rotor is a front application and does not include bearings or a hub assembly. Clean the hub mounting surface thoroughly before installing the new rotor to help prevent runout concerns and uneven seating. Always confirm directional orientation during installation and follow the vehicle manufacturer’s brake service procedures.

Quality Assurance

Bosch QuietCast rotors are built with corrosion-resistant surface treatments and OE-style dimensional accuracy for service replacement use. Part number 53011484 is specified for the listed Mazda MX-5 Miata and Fiat 124 Spider front applications.