Bosch 53011443 Disc Brake Rotor - Front

Bosch QuietCast Front Brake Rotor

The Bosch QuietCast Disc Brake Rotor, part number 53011443, is a front replacement rotor built for select Lexus and Toyota applications. It uses an iron alloy, vented construction, and a smooth directional brake surface to support consistent braking performance on the front axle.

For shoppers searching for a front brake rotor for 2020-2025 Toyota Highlander or 2023-2025 Lexus RX350 and RX350h, this Bosch QuietCast rotor combines a coated hat, Geomet disc finish, and rust-resistant coating for added surface protection. The 53011443 rotor is a direct-fit rotor without hub assembly and does not include bearings.

Key Features

• Bosch QuietCast Disc Brake Rotor, part number 53011443
• Front position rotor for select Lexus RX350, Lexus RX350h, and Toyota Highlander models
• Iron alloy construction with vented design
• Smooth, directional brake surface for consistent pad contact
• Geomet disc finish with coated hat and rust-resistant coating
• Conventional rotor design without hub assembly
• Outside diameter: 340 mm; nominal thickness: 28 mm; discard thickness: 25 mm
• 5-bolt mounting pattern with 114.3 mm bolt circle and 62 mm center bore

Product Details

Bosch QuietCast is Bosch’s brake rotor line focused on OE-style replacement fit and finish. This rotor is built as a conventional vented disc brake rotor with a smooth surface type and directional braking surface, helping maintain stable pad contact under everyday driving conditions. The coated hat and Geomet-treated disc surface add corrosion resistance, which is important for front brake rotors exposed to heat, moisture, and road debris.

This part cross-references Toyota/Lexus OE numbers 435120E060 and 435120E100 for the same application. The Bosch 53011443 is a strong match for drivers looking for a front brake rotor for 2020-2025 Toyota Highlander or 2023-2025 Lexus RX350/RX350h service work.

What This Rotor Helps Address

• Front brake pulsation caused by worn or uneven rotor surfaces
• Brake noise related to rotor surface wear or corrosion
• Reduced braking consistency from heat-affected front rotors
• Rust buildup on exposed rotor surfaces and hat areas
• Service replacement needs for OE-style front brake maintenance

Installation Notes and Tips

Verify rotor diameter, center bore, bolt pattern, and thickness before installation. This rotor is for the front position only and is a rotor without hub assembly, so the existing hub and related components must be inspected during brake service. Always clean the rotor surface before installation and follow the vehicle manufacturer’s torque specifications and bedding procedure for new pads and rotors.

Fits 2023-2025 Lexus RX350, front. Fits 2023-2025 Lexus RX350h, front. Fits 2020-2025 Toyota Highlander, front.

Quality Assurance

Bosch manufactures the QuietCast rotor line with OE-style fitment and corrosion-resistant surface treatment to support dependable brake service on the listed applications.