Raybestos 980574R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 980574R

The Raybestos R-Line Disc Brake Rotor 980574R is engineered for reliable braking performance on select Infiniti models. Designed specifically for Infiniti FX35, FX37, FX45, and QX70 vehicles, this vented rotor meets precise specifications to maintain optimal stopping power and durability.

• Compatible with Infiniti FX35, FX37, FX45, and QX70
• Vented disc brake rotor for improved heat dissipation
• Overall height: 1.933 inches (49.1 mm)
• Outside diameter: 12.583 inches (319.6 mm)
• Mounting bolt hole quantity: 5 with 114.3 mm bolt circle diameter
• Center hole diameter: 2.677 inches (68 mm)
• Nominal thickness: 1.339 inches (34 mm); discard thickness: 1.260 inches (32 mm)
• Conventional rotor type with 5 stud/lug holes

Detailed Product Specifications

This Raybestos R-Line rotor (part number 980574R) is a vented disc brake rotor designed to fit specific Infiniti models including the FX35, FX37, FX45, and QX70. The vented design enhances cooling by allowing air to flow between the rotor surfaces, reducing the risk of brake fade during extended use. The rotor measures 12.583 inches (319.6 mm) in outside diameter and has an overall height of 1.933 inches (49.1 mm), ensuring proper fitment and clearance within the brake assembly.

The rotor features a nominal thickness of 1.339 inches (34 mm) and a discard thickness of 1.260 inches (32 mm), which indicates the minimum thickness before replacement is necessary. It includes five mounting bolt holes arranged on a 114.3 mm bolt circle diameter, with a center hole diameter of 2.677 inches (68 mm), matching factory specifications for secure installation.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed to meet or exceed factory specifications. This line emphasizes durability and consistent performance, making it suitable for drivers who require dependable braking on their Infiniti FX and QX series vehicles. The 980574R rotor is part of this line, offering a balance of quality and fitment precision.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving overheating issues with vented rotor design for better heat dissipation
• Correct fitment for Infiniti FX35, FX37, FX45, and QX70 brake systems
• Eliminating noise and vibration caused by damaged or uneven rotors

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.260 inches) before installation
• Clean mounting surfaces and check for hub runout to prevent uneven wear
• Use proper torque specifications on the 5 mounting bolts to secure rotor
• Inspect brake pads and replace if worn to maintain optimal braking performance
• Follow manufacturer guidelines for break-in procedures after installation

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Using part number 980574R guarantees compatibility and reliability for Infiniti FX35, FX37, FX45, and QX70 vehicles.