Bosch 53011447 Disc Brake Rotor - Front

Bosch QuietCast Front Brake Rotor

The Bosch QuietCast Disc Brake Rotor, part number 53011447, is a front rotor built for select Ford truck and SUV applications. It uses an iron alloy construction with a vented design, smooth directional braking surface, and Geomet disc finish for consistent braking performance and corrosion resistance.

Compatible with 2021-2025 Ford Bronco front and 2019-2025 Ford Ranger front, this Bosch QuietCast Disc Brake Rotor is built for drivers looking for a direct-fit replacement rotor with OE-style dimensions and finish details. The 53011447 rotor also cross-references KB3Z1125A for the same application.

Key Features

• Iron alloy construction with a vented rotor design
• Smooth brake surface finish with directional braking surface
• Geomet disc finish and coated hat finish for rust resistance
• Outside diameter: 311 mm
• Nominal thickness: 34 mm; discard thickness: 32 mm
• 6-bolt mounting pattern with 139.7 mm bolt circle diameter
• Center bore diameter: 98 mm
• Conventional rotor without hub assembly

Product Details

Bosch QuietCast brake rotors are positioned as OE-style replacement components for drivers who want consistent fit and finish. This rotor is a conventional, vented disc brake rotor with a smooth surface type and directional braking surface, which supports even pad contact on the front axle. The coated hat and rust-resistant disc finish help protect exposed surfaces from corrosion, while the iron alloy construction supports stable braking under everyday use.

Use part number 53011447 when searching for a front brake rotor for Ford Bronco or Ford Ranger applications. The Bosch QuietCast Disc Brake Rotor line focuses on replacement rotors with application-specific dimensions and finish treatments that match common service needs on modern trucks and SUVs.

Common Uses

• Replacing a worn or warped front brake rotor
• Addressing brake pulsation during stopping
• Restoring smooth pad-to-rotor contact
• Correcting corrosion on the braking surface or hat area
• Servicing front brake systems on Ford Bronco and Ford Ranger models

Installation Notes

Verify rotor diameter, thickness, center bore, and bolt pattern before installation. This rotor is a rotor without hub assembly and does not include bearings. Always inspect brake pads, caliper hardware, and hub condition during service, and follow the vehicle manufacturer’s torque and bedding procedures after installation.

Quality Assurance

Built by Bosch for direct replacement use, this QuietCast rotor combines coated surfaces, a vented iron alloy design, and OE-style dimensions for consistent service fitment. Part number 53011447 is specified for front applications on 2021-2025 Ford Bronco and 2019-2025 Ford Ranger models.