Bosch 12011448 Disc Brake Rotor - Rear

Bosch QuietCast Rear Rotor for Hummer H3

The Bosch QuietCast Rotor 12011448 is a rear disc brake rotor built for 2006-2010 Hummer H3 and 2009-2010 Hummer H3T applications. With a product height of 2.665354 in, this rotor is specified for direct rear brake service on the listed vehicles.

Key Features

• Rear disc brake rotor for Bosch QuietCast Rotor applications
• Fits 2006-2010 Hummer H3, rear
• Fits 2009-2010 Hummer H3T, rear
• Product height: 2.665354 in
• Bosch part number 12011448 for catalog matching and service lookup

QuietCast Rotor Line

Bosch QuietCast Rotor products are part of Bosch’s brake rotor line for service replacement use. This rotor is listed under the QuietCast Rotor brand line and is identified by part number 12011448 for rear brake applications on the supported Hummer models.

Detailed Description

Use Bosch 12011448 when replacing the rear disc brake rotor on a 2006-2010 Hummer H3 or a 2009-2010 Hummer H3T. The listed height specification helps confirm the correct rotor profile during brake service, and the OE-style fitment data supports accurate catalog selection for rear axle maintenance. If you are searching for a rear brake rotor for Hummer H3, Bosch QuietCast Rotor 12011448 is the direct match shown for these model years.

This part cross-references Monroe Shocks & Struts (e.g., 15111376) for the same application.

Common Issues This Rotor Addresses

• Rear brake rotor wear from normal pad contact and mileage
• Brake pulsation caused by rotor surface variation
• Reduced braking consistency from a worn rear rotor
• Noise during rear brake service when the rotor is no longer serviceable
• Brake inspection failures tied to rotor condition

Installation Notes and Tips

Confirm rear axle fitment by year, model, and position before installation. Inspect pads, caliper condition, and hub mounting surfaces during rotor replacement so the new rotor seats correctly. Clean the rotor and surrounding brake components before final assembly, then verify smooth rotation and proper brake pedal feel after service.

Quality Assurance

Bosch identifies this rotor under the QuietCast Rotor line and catalogs it as part number 12011448 for the listed Hummer rear brake applications. Use the vehicle fitment data and rotor height specification to verify selection before installation.