Bosch 53011451 Disc Brake Rotor - Front

Bosch QuietCast Rotor for Front Braking

The Bosch QuietCast Disc Brake Rotor, part number 53011451, is a front rotor built for 2021-2022 Chevrolet Colorado and 2021-2022 GMC Canyon applications. It uses an iron alloy construction with a smooth brake surface and Geomet disc finish for consistent braking performance and corrosion resistance.

Key Features

• Fits 2021-2022 Chevrolet Colorado, front
• Fits 2021-2022 GMC Canyon, front
• Iron alloy construction with vented rotor design
• Smooth brake surface and directional brake surface layout
• Geomet disc finish with coated hat and rust-resistant coating
• Conventional rotor design without hub assembly
• Center bore diameter: 71 mm
• Outside diameter: 325 mm; nominal thickness: 30 mm
• Mounting bolt hole quantity: 6; bolt circle diameter: 120 mm

Product Details

Bosch QuietCast Disc Brake Rotor 53011451 is engineered as a conventional vented rotor for front axle service on the Chevrolet Colorado and GMC Canyon. The smooth surface finish supports even pad contact, while the Geomet disc finish and coated hat help resist rust in demanding driving conditions. With a 325 mm outside diameter, 30 mm nominal thickness, and 71 mm center bore, this rotor is built to match the specified front brake setup for these trucks. This part cross-references 84703914 for the same application.

Common Brake Issues This Rotor Can Address

• Brake pulsation caused by rotor wear or thickness variation
• Reduced braking consistency from a scored or uneven rotor surface
• Corrosion on the braking surface or hat area
• Noise related to rotor surface condition
• Front brake service needs on Colorado and Canyon models

Installation Notes and Tips

Confirm rotor dimensions, bolt pattern, and center bore before installation. Inspect pads, calipers, and wheel hub surfaces at the same time to help ensure proper rotor seating and even braking contact. Follow the vehicle service procedure for torque specifications and bedding-in after installation. Fits 2021-2022 Chevrolet Colorado, front. Fits 2021-2022 GMC Canyon, front. Bosch QuietCast Disc Brake Rotor 53011451 is a direct front brake rotor application for these vehicles.

Quality Assurance

Bosch QuietCast brake components are built around OE-style fit and material specifications for brake service applications. The rotor’s rust-resistant coating, Geomet disc finish, and coated hat support long-term surface protection in normal road use.