Bosch 50011229 Disc Brake Rotor - Rear

Bosch QuietCast Rotor for Rear Brake Service

The Bosch QuietCast Rotor 50011229 is a rear disc brake rotor for select Lexus RX300 and Toyota Highlander applications. With a product height of 2.362205 in, it is built for direct-fit rear brake replacement on covered vehicles.

Key Features

• Rear disc brake rotor for brake service on select Lexus RX300 and Toyota Highlander models
• Product height: 2.362205 in
• Bosch QuietCast Rotor line for OE-style brake replacement
• Part number 50011229 for catalog and fitment lookup
• Fits 1999-2003 Lexus RX300, rear
• Fits 2001-2003 Toyota Highlander, rear

Detailed Description

Bosch QuietCast Rotor 50011229 is a rear brake rotor engineered for vehicles that use a rear disc brake setup. The Bosch QuietCast Rotor line focuses on OE-style replacement parts for routine brake service, making this rotor a direct option for maintaining rear braking performance on the 1999-2003 Lexus RX300 and 2001-2003 Toyota Highlander. The listed height of 2.362205 in helps identify the correct rotor for the application, and the part number 50011229 supports accurate ordering and cross-checking.

This part cross-references 4243133140 for the same application.

Common Problems This Rotor Can Address

• Rear brake pulsation caused by worn rotor surfaces
• Brake noise related to rotor wear or uneven contact
• Reduced braking consistency from heat-affected rear rotors
• Service replacement for rusted or damaged rear brake rotors
• Fitment correction for rear brake maintenance on Lexus RX300 and Toyota Highlander models

Installation Notes and Tips

Confirm rear fitment by year, make, and model before installation. Inspect pads, caliper condition, and hub surfaces during rotor replacement to help ensure proper brake operation. Verify rotor dimensions against the existing part when servicing a 1999-2003 Lexus RX300 or 2001-2003 Toyota Highlander, and use the part number 50011229 to match the correct rear application.

Quality Assurance

Bosch QuietCast Rotor parts are positioned as OE-style brake replacement components for covered applications. Use the confirmed vehicle fitment and part number 50011229 to verify selection before installation.