Bosch 34011590 Disc Brake Rotor - Front

Bosch QuietCast Rotor for Mazda Front Brakes

The Bosch QuietCast Rotor 34011590 is a front disc brake rotor for select Mazda applications. With a product height of 2.027559 in, it is built for direct replacement use on the front axle of the Mazda 6 and Mazda CX-5 listed below.

Key Features

• Front disc brake rotor for select Mazda vehicles
• Product height: 2.027559 in
• Bosch QuietCast Rotor line for OE-style brake service
• Direct-fit application coverage for front brake replacement
• Part number 34011590 for ordering and catalog matching

Product Details

Bosch QuietCast Rotor 34011590 is part of Bosch’s QuietCast Rotor line, a brake rotor family focused on replacement fitment for everyday service work. This rotor is listed for the front position on the 2018 Mazda 6, 2014-2016 Mazda 6, and 2013-2016 Mazda CX-5. The 2.027559 in height specification is an important dimensional reference for confirming the correct rotor before installation. If you are searching for a front brake rotor for Mazda 6 or Mazda CX-5 models, part number 34011590 provides a catalog-specific match for the applications shown.

This part cross-references Monroe Shocks & Struts (e.g., K01133251B) for the same application.

Common Replacement Reasons

• Front brake rotor wear from normal pad contact
• Brake pulsation caused by rotor thickness variation
• Scoring or surface damage on the braking surface
• Noise during braking from worn front rotors
• Service replacement for Mazda 6 and Mazda CX-5 front brakes

Installation Notes

Verify rotor diameter, height, and front-position fitment against the vehicle before installation. Clean the hub mounting surface and inspect brake pads, caliper hardware, and wheel bearings during service. For best results, replace rotors in axle pairs and follow the vehicle manufacturer’s brake service procedure.

Quality Assurance

Bosch QuietCast Rotor 34011590 is backed by Bosch brand engineering and cataloged for the specific Mazda front brake applications listed here.