Bosch 53011423 Disc Brake Rotor - Front

Bosch QuietCast Front Brake Rotor

The Bosch QuietCast Disc Brake Rotor is a front replacement rotor built for smooth braking performance and consistent pedal feel. This Bosch QuietCast Disc Brake Rotor, part number 53011423, uses an iron alloy construction with a vented design and rust-resistant Geomet coating for dependable service in everyday driving.

Key Features

• Iron alloy construction for strength and heat handling
• Vented rotor design for front brake applications
• Smooth brake surface finish for even pad contact
• Geomet disc finish with coated hat for corrosion resistance
• Directional brake surface for proper installation orientation
• Conventional rotor design without hub assembly
• Center bore diameter: 70.7 mm
• Outside diameter: 321 mm
• Nominal thickness: 28 mm; discard thickness: 26 mm

Detailed Description

Bosch QuietCast rotors are positioned as a refined brake service option for drivers who want a direct replacement rotor with corrosion protection and a clean braking surface. This rotor is built for front axle use on select Chevrolet Equinox, GMC Terrain, Buick Regal Sportback, Buick Regal TourX, Buick LaCrosse, and Buick Envision applications. Part number 53011423 is a conventional, rotor-only design with five mounting bolt holes and a 115 mm bolt circle diameter, making it a practical choice for brake service where OE-style dimensions matter.

This part cross-references 13518653 for the same application. For shoppers searching for a front brake rotor for 2018-2021 Chevrolet Equinox, front or a Bosch QuietCast rotor for 2018-2021 GMC Terrain, front, this rotor matches the listed fitment and dimensional requirements.

What It Helps Address

• Brake pulsation caused by worn or uneven rotor surfaces
• Corrosion on exposed rotor surfaces and hat areas
• Reduced braking consistency from rotor wear beyond discard thickness
• Noise or vibration related to rotor surface condition
• Front brake service needs on listed Buick, Chevrolet, and GMC models

Installation Notes and Tips

Verify rotor thickness, center bore, bolt pattern, and directional orientation before installation. This rotor is a rotor without hub assembly and does not include bearings. Clean the hub mounting surface before installation to help prevent runout-related brake noise or pedal pulsation. Always inspect pads, calipers, and hardware condition during brake service, and replace worn components as needed to restore proper braking performance.

Quality Assurance

Bosch QuietCast brake components are built around OE-style fitment and corrosion-resistant finishes for consistent service life in routine brake maintenance. Part number 53011423 is engineered to meet the listed dimensional and application requirements for the specified front vehicle fitments.

• Fits 2018-2021 Chevrolet Equinox, front
• Fits 2018-2021 GMC Terrain, front
• Fits 2018-2020 Buick Regal Sportback, front
• Fits 2018-2020 Buick Regal TourX, front
• Fits 2017-2019 Buick LaCrosse, front
• Fits 2016-2018 Buick Envision, front