Bosch 42011151 Disc Brake Rotor - Rear

Bosch QuietCast Rear Rotor for Porsche, Audi, and Volkswagen

The Bosch QuietCast Rotor 42011151 is a rear disc brake rotor built for select Porsche Cayenne, Volkswagen Touareg, and Audi Q7 applications. With a 2.893701 in. product height and OE-style fitment coverage, it supports direct replacement needs for rear brake service on a wide range of luxury SUVs.

Key Features

• Bosch QuietCast Rotor line for rear disc brake replacement
• Product height: 2.893701 in.
• Fits rear brake applications on Porsche Cayenne, Volkswagen Touareg, and Audi Q7
• OE-style fitment for select 330mm rear rotor applications
• Part number 42011151 for catalog and cross-reference lookup

Product Details

Bosch QuietCast Rotor 42011151 is a rear disc brake rotor engineered for specific Porsche Cayenne, Volkswagen Touareg, and Audi Q7 models. The QuietCast Rotor line focuses on replacement fitment that matches the vehicle’s original brake configuration, including 330mm rear rotor applications where noted. This makes 42011151 a practical choice when servicing rear brake systems on a Porsche Cayenne rear rotor application or a Volkswagen Touareg rear brake replacement.

This part cross-references Porsche and Volkswagen OE numbers such as 7L8615601G and 95535240150 for the same application.

Vehicle Fitment

• Fits 2018 Porsche Cayenne, rear
• Fits 2008-2017 Porsche Cayenne, rear; 330mm rotor (12.99 in.); Bosch QuietCast Rotor
• Fits 2003-2006 Porsche Cayenne, rear; 330mm rotor (12.99 in.); Bosch QuietCast Rotor
• Fits 2017 Volkswagen Touareg, rear
• Fits 2004-2016 Volkswagen Touareg, rear; 330mm rotor (12.99 in.); Bosch QuietCast Rotor
• Fits 2007-2015 Audi Q7, rear; Bosch QuietCast Rotor

Common Replacement Reasons

• Rear brake rotor wear from normal driving and heat cycling
• Brake pulsation caused by rotor thickness variation or surface irregularity
• Reduced braking consistency during stop-and-go or highway use
• Noise or vibration during rear brake operation
• Service replacement for OE-style rear rotor maintenance

Installation Notes and Tips

Confirm rear axle fitment by year, make, model, and rotor size before installation. For Porsche Cayenne and Volkswagen Touareg applications with 330mm rear rotors, verify the existing brake setup against the notes listed above. Inspect pads, caliper condition, and hub surfaces during rotor replacement to help ensure proper brake operation after service.

Quality Assurance

Bosch QuietCast Rotor parts are cataloged for direct-fit replacement use on the listed vehicles, with interchange references available for OE-number matching. Part number 42011151 is supported by Bosch’s QuietCast product line identification for rear brake rotor applications.