Bosch 50011237 Disc Brake Rotor - Rear

Bosch QuietCast Rear Rotor for Toyota and Lexus

The Bosch QuietCast Rotor 50011237 is a rear disc brake rotor for select Toyota and Lexus SUVs and trucks. It is listed for rear fitment on the 2003-2009 Lexus GX470, 2003-2009 Toyota 4Runner, 2007-2009 Toyota FJ Cruiser, and 2001-2007 Toyota Sequoia.

Key Features

• Rear disc brake rotor for Bosch QuietCast applications
• Product height: 2.669291 in
• Direct fit coverage for select Toyota 4Runner rear brake service
• Direct fit coverage for Lexus GX470 rear brake service
• Part number 50011237 for catalog matching and replacement lookup

Product Details

Bosch QuietCast Rotor 50011237 is a rear brake rotor built for vehicles that use a disc brake setup at the rear axle. The QuietCast rotor line is Bosch’s brake-focused product line for replacement applications, and this rotor is cataloged for the rear position on the Toyota 4Runner, Toyota FJ Cruiser, Toyota Sequoia, and Lexus GX470. If you are replacing worn rear rotors on a 2003-2009 Toyota 4Runner or 2003-2009 Lexus GX470, this part number 50011237 is the correct reference to verify before ordering.

This part cross-references Monroe Shocks & Struts (e.g., 172286) for the same application.

What It Helps Address

• Brake pulsation from rotor wear or thickness variation
• Rear brake noise caused by uneven rotor surfaces
• Reduced braking consistency during routine stop-and-go driving
• Corrosion or scoring on the rear brake rotor surface
• Service replacement for rear brake maintenance on Toyota and Lexus models

Installation Notes and Tips

Confirm rear-position fitment by year, make, and model before installation. Inspect pads, caliper hardware, and hub surfaces during rotor replacement so the new rotor seats evenly. Clean the rotor and mounting surfaces before assembly, and follow the vehicle manufacturer’s torque specifications during reinstallation.

Quality Assurance

Bosch QuietCast brake components are cataloged for OE-style replacement use, with application-specific fitment data provided for the listed Toyota and Lexus vehicles. Verify part number 50011237 against your vehicle’s rear brake configuration before purchase.