Bosch 45011423 Disc Brake Rotor - Rear

Bosch QuietCast Rotor for Saab 9-3 Rear

The Bosch QuietCast Rotor 45011423 is a rear disc brake rotor for 2003-2011 Saab 9-3 applications with a 278mm rotor size. With a product height of 1.633858 in, this rotor is built for direct-fit rear brake service on the Saab 9-3 platform.

Bosch QuietCast Rotor parts are positioned as OE-style brake components for drivers who want consistent fitment and dependable braking performance. This rotor is a direct replacement for part number 45011187 and is identified by Bosch part number 45011423.

Key Features

• Rear disc brake rotor for Saab 9-3 models
• Fits 2003-2011 Saab 9-3, rear
• 278mm rotor specification
• Product height: 1.633858 in
• Bosch QuietCast Rotor line
• Part number 45011423

Detailed Description

This Bosch QuietCast Rotor 45011423 is made for rear brake service on the 2003-2011 Saab 9-3. The listed 278mm rotor size and direct replacement reference help confirm the correct application for rear brake maintenance on this vehicle platform. If you are searching for a rear brake rotor for 2003-2011 Saab 9-3, Bosch 45011423 is the cataloged match for this fitment.

The Bosch QuietCast Rotor line is Bosch’s brake rotor family for OE-style replacement needs, and this part is listed for the rear position only. Cross-reference part numbers include 12762290 and 93188377 for the same application.

What It Is Used For

• Replacing a worn rear brake rotor on a Saab 9-3
• Addressing brake pulsation from rotor wear or uneven surfaces
• Restoring proper rear brake contact area
• Correcting rotor thickness or size mismatch during brake service
• Supporting routine rear brake maintenance on 2003-2011 Saab 9-3 models

Installation Notes and Tips

Verify rear position fitment before installation and confirm the 278mm rotor specification matches the vehicle’s brake setup. Inspect pads, caliper condition, and hub mounting surfaces during service to help ensure proper rotor seating. Always follow the vehicle manufacturer’s brake service procedures and torque specifications.

Quality Assurance

Bosch QuietCast Rotor components are cataloged for direct-fit brake replacement on the specified Saab 9-3 rear application. Part number 45011423 is listed with OE-style fitment data for 2003-2011 Saab 9-3 rear brake service.