Bosch 34011592 Disc Brake Rotor - Front

Bosch QuietCast Rotor for Mazda Front Brakes

The Bosch QuietCast Rotor 34011592 is a front disc brake rotor for select Mazda applications. It is listed for 2014-2018 Mazda 3 front, 2014-2015 Mazda 3 Sport front, 2016-2018 Mazda CX-3 front, 2016 Mazda 3 Sport front, and 2019-2021 Mazda CX-3 front.

Bosch QuietCast Rotor is the product line for drivers looking for a direct-fit brake rotor solution with application-specific coverage. This rotor is identified by part number 34011592 and cross-references B45G33251A for the same application.

Key Features

• Front disc brake rotor for select Mazda 3, Mazda 3 Sport, and Mazda CX-3 models
• Part number 34011592 for easy ordering and catalog matching
• Product height: 2.027559 in
• OE-style fitment coverage for front brake service
• Cross-reference: B45G33251A

Detailed Description

This Bosch QuietCast Rotor 34011592 is a front brake rotor built for specific Mazda fitments, including Mazda 3 front brake rotor applications and Mazda CX-3 front brake rotor applications. Use it when replacing a worn, warped, or scored front disc brake rotor on 2014-2018 Mazda 3, 2014-2015 Mazda 3 Sport, 2016 Mazda 3 Sport, 2016-2018 Mazda CX-3, or 2019-2021 Mazda CX-3 models. The QuietCast Rotor line focuses on application-specific brake service, and this part’s listed height is 2.027559 in.

Common Issues This Rotor Can Address

• Brake pulsation during stopping
• Rotor scoring or surface wear
• Uneven braking feel from a damaged front rotor
• Noise caused by an out-of-spec brake rotor surface
• Service replacement for front brake maintenance on Mazda 3 and Mazda CX-3

Installation Notes and Tips

Install on the front axle only for the listed Mazda applications. Verify rotor dimensions and vehicle fitment by year, model, and position before installation. For best results, inspect pads, calipers, and hub surfaces during brake service and replace any worn components as needed. Confirm the part number 34011592 matches your application before ordering.

Quality Assurance

Bosch QuietCast brake components are cataloged for precise vehicle coverage and OE-style service applications. This rotor is identified for direct fitment on the listed Mazda models and is supported by Bosch part numbering for accurate replacement selection.