Bosch 45011173 Disc Brake Rotor - Rear

Bosch QuietCast Rear Rotor for Saab

The Bosch QuietCast Rotor 45011173 is a rear disc brake rotor for select Saab applications. Built for 1986-1998 Saab 9000 and 1988-1993 Saab 900 rear brake service, it provides a direct-fit replacement option for routine brake maintenance and rotor wear replacement.

Key Features

• Rear disc brake rotor for select Saab models
• Bosch QuietCast Rotor line for OE-style brake service
• Product height: 1.700787 in
• Fits Saab 9000 rear brake applications from 1986-1998
• Fits Saab 900 rear brake applications from 1988-1993
• Part number 45011173 for catalog and fitment lookup

Product Details

Bosch QuietCast Rotor 45011173 is built for rear brake replacement on Saab 9000 and Saab 900 models listed in the fitment data. The Bosch QuietCast Rotor line focuses on OE-style brake service, making this rotor a practical choice when replacing worn, scored, or heat-affected rear rotors on these vehicles. If you are searching for a rear brake rotor for 1986-1998 Saab 9000 or 1988-1993 Saab 900, this part number 45011173 matches the confirmed applications.

This part cross-references 8970717 for the same application.

What It Helps Address

• Brake pulsation caused by rotor wear or uneven surfaces
• Scoring and grooving on the rear brake rotor face
• Reduced braking consistency from heat cycling and age
• Noise related to worn rear rotor condition
• Service replacement for Saab 9000 and Saab 900 rear brake maintenance

Installation Notes and Tips

Verify rear axle fitment against the vehicle’s brake configuration before installation. Inspect pads, caliper condition, and hub mounting surfaces at the same time to help ensure even rotor contact. Clean the hub face thoroughly and torque wheel fasteners to the vehicle manufacturer’s specification after installation. Confirm the rotor matches the rear position before ordering or installing part number 45011173.

Quality Assurance

Bosch QuietCast brake components are positioned as OE-style replacement parts for service work on supported vehicles. This rotor is cataloged for direct fitment on the listed Saab rear applications, including Saab 9000 and Saab 900 models.