Bosch 53011439 Disc Brake Rotor - Front

Bosch QuietCast Front Brake Rotor

The Bosch QuietCast Disc Brake Rotor, part number 53011439, is a front replacement rotor built for Subaru applications that call for a smooth, vented iron-alloy disc. It uses a rust-resistant Geomet disc finish and a coated hat finish to help maintain a cleaner appearance and consistent service life. This rotor is a direct fit for select Subaru Crosstrek and Subaru Impreza front brake applications.

Bosch QuietCast Disc Brake Rotor 53011439 is engineered for drivers who want a straightforward OE-style replacement for front brake service on the Subaru Crosstrek and Subaru Impreza. The directional, smooth braking surface supports even pad contact, while the vented construction helps manage heat during repeated stops.

Key Features

• Front disc brake rotor for select Subaru vehicles
• Iron alloy construction with vented design
• Smooth brake surface finish for consistent pad contact
• Geomet disc finish with rust-resistant coating
• Coated hat finish for added corrosion protection
• Conventional rotor without hub assembly
• 5-bolt mounting pattern with 100 mm bolt circle diameter
• Center bore diameter: 58 mm
• Nominal thickness: 24 mm; discard thickness: 22 mm

Product Details

The Bosch QuietCast Disc Brake Rotor line focuses on OE-style brake replacement with attention to fit, finish, and corrosion resistance. Part number 53011439 uses a smooth, directional braking surface and a vented iron-alloy body to support stable braking performance in everyday driving. The coated hat and Geomet disc finish help protect exposed surfaces from rust, which is important for vehicles exposed to wet roads, road salt, and seasonal weather changes.

This rotor is a conventional, rotor-only design with no bearings included and no hub assembly attached. It is listed for front use on 2018-2023 Subaru Crosstrek and 2017-2023 Subaru Impreza. This part cross-references Hyundai/Kia OE number 26300FL010 for the same application.

Common Brake Service Issues

• Brake pulsation caused by rotor wear or thickness variation
• Noise from worn or uneven braking surfaces
• Corrosion on exposed rotor surfaces
• Reduced braking consistency during routine stop-and-go driving
• Front brake service needs on Subaru Crosstrek and Subaru Impreza models

Installation Notes

Verify rotor diameter, center bore, bolt pattern, and thickness before installation. Clean the hub mounting surface thoroughly so the rotor seats flat and runs true. Replace or inspect brake pads at the same time if pad wear, scoring, or uneven contact is present. Always follow the vehicle service manual for torque specifications and brake bedding procedures.

Quality Assurance

Bosch QuietCast brake components are built around OE-style fitment and corrosion-resistant finishes for dependable service in daily driving conditions. Part number 53011439 is specified for front brake applications on the Subaru Crosstrek and Subaru Impreza listed above.