Bosch 50011483 Disc Brake Rotor - Front Left, Front Right or Rear Right

Bosch QuietCast Rotor for Lexus Fitment

The Bosch QuietCast Rotor, part number 50011483, is a disc brake rotor for select Lexus applications with front-right, rear-right, and front-left fitment. Built for vehicles including Lexus IS300, IS350, IS200t, GS350, GS450h, GS460, and GS430, it supports direct replacement needs where rotor condition affects braking feel and stopping consistency.

Bosch QuietCast Rotor 50011483 is part of the Bosch QuietCast Rotor line, a product family focused on OE-style brake service parts for import vehicles. This rotor is listed for specific Lexus positions and model years, making it a fitment-driven choice for brake maintenance on Lexus IS and GS platforms.

• Disc brake rotor for select Lexus front and rear positions
• Fits 2018-2020 Lexus IS300, front right
• Fits 2019-2020 Lexus IS350, front right
• Fits 2014-2018 Lexus IS350, rear right
• Fits 2017 Lexus IS200t, front right
• Fits 2016 Lexus IS200t, front left
• Fits 2013-2015 Lexus GS350, front right
• Fits 2007-2008 Lexus GS350, front right
• Fits 2009-2011 Lexus GS350, front right
• Fits 2007-2008 Lexus GS450h, front right
• Fits 2008 Lexus GS460, front right
• Fits 2006-2008 Lexus IS350, front right
• Fits 2006-2007 Lexus GS430, front right

This part cross-references 4351222261 and 4351253050 for the same application.

Use this rotor when the original disc shows wear, scoring, vibration, or uneven braking performance. It is a direct-fit brake service part for Lexus IS300, IS350, IS200t, GS350, GS450h, GS460, and GS430 applications listed above, with fitment tied to the specified wheel position and model year.

Common Brake Service Issues

• Brake pulsation during stops
• Rotor scoring or surface wear
• Brake noise caused by uneven rotor condition
• Reduced braking smoothness from worn front or rear rotors
• Service replacement for a damaged Lexus brake rotor

Installation Notes and Tips

Confirm the vehicle year, model, and brake position before ordering. This rotor is listed for front right, rear right, and front left applications only where shown in the fitment data. Inspect pads, caliper condition, and hub surfaces during brake service so the new rotor seats correctly.

Quality Assurance

Bosch QuietCast Rotor 50011483 is cataloged as a Bosch brake component for Lexus applications and is identified by OE-style interchange references for the same fitment.