Raybestos 980426R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 980426R

The Raybestos R-Line Disc Brake Rotor 980426R is engineered for reliable braking performance on select Mercedes-Benz models. Designed as a vented, conventional rotor, it offers precise fitment and consistent stopping power for vehicles like the G55 AMG, GL-Class, ML-Class, and R-Class.

• Compatible with Mercedes-Benz G55 AMG, GL320, GL350, GL450, GL550, ML320, ML350, ML450, ML500, ML550, R320, R350, and R500
• Vented disc brake rotor for improved heat dissipation
• Overall height: 2.146 inches (54.5 mm)
• Outside diameter: 13.780 inches (350 mm)
• Mounting bolt hole quantity: 5 with 4.409 inch (112 mm) bolt circle diameter
• Center hole diameter: 2.638 inches (67 mm)
• Nominal thickness: 1.260 inches (32 mm); discard thickness: 1.157 inches (29.4 mm)
• Conventional rotor type suitable for direct replacement

Detailed Product Description

The Raybestos R-Line 980426R disc brake rotor is a vented rotor designed to maintain optimal braking performance by efficiently dissipating heat generated during braking. Its 13.780-inch (350 mm) outside diameter and 2.146-inch (54.5 mm) overall height ensure proper fitment and compatibility with the specified Mercedes-Benz models. The rotor features five mounting bolt holes arranged on a 4.409-inch (112 mm) bolt circle diameter, matching factory specifications for secure installation.

With a nominal thickness of 1.260 inches (32 mm) and a discard thickness of 1.157 inches (29.4 mm), this rotor meets the necessary wear limits to maintain safe braking performance. The center hole diameter of 2.638 inches (67 mm) aligns with OEM standards, ensuring proper hub fitment. As a conventional rotor, it is designed for direct replacement without modification.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering dependable braking components that meet or exceed OEM specifications. This line emphasizes quality materials and precise manufacturing processes to provide rotors that maintain consistent performance and durability. The 980426R rotor exemplifies the R-Line's commitment to fitment accuracy and functional reliability for Mercedes-Benz vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or vibration
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving noise issues related to uneven rotor surfaces
• Upgrading to vented rotors for improved heat management in demanding driving conditions
• Ensuring proper fitment on Mercedes-Benz G55 AMG, GL-Class, ML-Class, and R-Class models

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your specific Mercedes-Benz model before installation
• Inspect hub surface for cleanliness and damage to ensure proper rotor seating
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Replace brake pads simultaneously to ensure even wear and optimal braking performance
• Perform a bed-in procedure after installation to maximize rotor and pad effectiveness

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms related to part number 980426R.