Bosch 50011245 Disc Brake Rotor - Front

Bosch QuietCast Rotor for Front Brake Service

The Bosch QuietCast Rotor, part number 50011245, is a front disc brake rotor for select Lexus GX470 and Toyota 4Runner applications. With a product height of 2.649606 in, it is built for direct-fit front brake replacement on covered vehicles and supports clean, consistent rotor service.

Key Features

• Bosch QuietCast Rotor line for front disc brake applications
• Part number 50011245 for easy catalog matching
• Product height: 2.649606 in
• Fits front brake positions on select 2003-2009 Lexus GX470 and Toyota 4Runner models
• Compatible with 2003-2009 Toyota 4Runner front brake service using a 338mm rotor and 1 piston caliper

Product Line Details

Bosch QuietCast Rotor products are positioned as OE-style brake components for drivers who want a direct replacement rotor with application-specific fitment. This rotor, 50011245, is listed for front use on the Lexus GX470 and Toyota 4Runner, making it a focused option for front brake maintenance on those platforms.

Fitment

• Fits 2003-2009 Lexus GX470, front.
• Fits 2003-2009 Toyota 4Runner, front. Notes: 338mm rotor, 1 piston caliper; Bosch QuietCast Rotor.

What It Is Used For

• Replacing a worn or warped front brake rotor
• Addressing brake pulsation during stopping
• Restoring proper rotor surface condition after brake wear
• Supporting front brake service on Lexus GX470 and Toyota 4Runner models

Installation Notes and Tips

Confirm rotor diameter, caliper type, and front axle fitment before installation. Match the vehicle application to the listed notes for the Toyota 4Runner, and verify rotor condition on the opposite side during brake service. Part number 50011245 should be checked against the existing rotor specification before installation.

Quality Assurance

Bosch QuietCast Rotor 50011245 is cataloged with direct application data and interchange reference 4351260151 for cross-checking fitment during parts lookup.