Bosch 50011484 Disc Brake Rotor - Front or Rear

Bosch QuietCast Rear Rotor for Toyota and Lexus

The Bosch QuietCast Rotor 50011484 is a rear disc brake rotor for a wide range of Toyota, Lexus, and Pontiac applications. With a product height of 1.19685 in, it is built for direct-fit brake service on vehicles such as the Toyota Prius, Toyota Corolla, and Lexus CT200h.

Bosch QuietCast brake components are positioned as OE-style replacement parts for drivers who want consistent braking performance and a straightforward service fit. This rotor is also referenced by part numbers 19184534 and 4243112310 for the same application.

Key Features

• Part number 50011484 Bosch QuietCast Rotor
• Rear disc brake rotor for select front and rear applications
• Product height: 1.19685 in
• Fits Toyota Prius rear brake service applications from 2010-2018 and 2019-2022
• Fits Toyota Corolla rear brake service applications from 2008-2019
• Fits Lexus CT200h rear brake service applications from 2011-2016
• Fits Toyota Matrix rear brake service applications from 2009-2014
• Fits Pontiac Vibe rear brake service applications from 2009-2010

Fitment Details

• Fits 2019-2022 Toyota Prius, rear.
• Fits 2019-2022 Toyota Prius AWD-e, rear.
• Fits 2019-2022 Toyota Prius Prime, rear.
• Fits 2008-2019 Toyota Corolla, rear.
• Fits 2010-2018 Toyota Prius, rear.
• Fits 2017-2018 Toyota Prius Prime, rear.
• Fits 2016-2017 Toyota Prius, front.
• Fits 2011-2016 Lexus CT200h, rear; 259mm rotor.
• Fits 2012-2015 Toyota Prius Plug-In, rear.
• Fits 2009-2014 Toyota Matrix, rear; 259mm rotor.
• Fits 2009-2010 Pontiac Vibe, rear.

What This Rotor Helps Address

• Brake pulsation caused by worn or uneven rotor surfaces
• Reduced braking consistency from heat-worn rear rotors
• Noise or vibration during braking service
• Rotor replacement needs on Toyota Prius, Toyota Corolla, and Lexus CT200h brake systems
• Rear brake maintenance on vehicles using a 259mm rotor specification

Installation Notes and Tips

Confirm rotor position before ordering, since this part is listed for both rear and select front fitments depending on vehicle application. Verify rotor size and brake system details against the vehicle’s existing hardware, especially on 259mm rear applications such as the Lexus CT200h and Toyota Matrix. Always inspect pads, caliper condition, and hub surfaces during brake service to help ensure proper rotor seating.

Quality Assurance

Bosch QuietCast brake parts are built as OE-style replacement components for direct-fit service on listed applications. Part number 50011484 is cross-referenced to 19184534 and 4243112310 for the same application.