Raybestos 980490 Disc Brake Rotor - Rear

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor 980490 is engineered for BMW 323i, 325i, and 328i models. Designed to meet specific thickness and mounting requirements, this rotor supports reliable braking performance for street-driven vehicles.

• Compatible with BMW 323i, 325i, and 328i models
• Part number 980490 for precise identification
• Nominal thickness: 0.780 inches (19.800 mm)
• Discard thickness: 0.720 inches (18.300 mm)
• Mounting bolt hole circle diameter: 4.720 inches (119.900 mm)
• Conventional drum-in-hat type rotor design

Detailed Product Specifications

This Raybestos disc brake rotor features a nominal thickness of 0.780 inches (19.800 mm) and a discard thickness of 0.720 inches (18.300 mm), ensuring optimal wear limits for safe operation. The mounting bolt hole circle diameter measures 4.720 inches (119.900 mm), matching the bolt pattern of compatible BMW models. The rotor uses a conventional drum-in-hat design, suitable for the specified vehicles' braking systems.

Specialty - Street Performance Product Line

The Specialty - Street Performance line by Raybestos focuses on delivering rotors tailored for street-driven vehicles requiring dependable braking under everyday conditions. This product line balances performance and durability, making it suitable for BMW 3 Series models like the 323i, 325i, and 328i, where consistent rotor thickness and fitment precision are critical.

Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 323i, 325i, and 328i
• Addresses brake pulsation caused by uneven rotor thickness
• Restores proper rotor thickness to maintain braking efficiency
• Ensures correct mounting bolt hole alignment for secure installation
• Suitable for rotors requiring conventional drum-in-hat type design

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets nominal specifications
• Check mounting bolt hole circle diameter compatibility with vehicle hub
• Inspect brake pads and calipers for wear during rotor replacement
• Follow manufacturer torque specifications for mounting bolts
• Perform a test drive to confirm proper brake function after installation

Quality Assurance and Warranty

Raybestos disc brake rotors, including part number 980490, are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Users should consult product documentation or contact Raybestos directly for warranty information.