Raybestos 8538R Disc Brake Rotor - Front or Rear

Overview of Raybestos R-Line Disc Brake Rotor 8538R

The Raybestos R-Line 8538R disc brake rotor is engineered for reliable braking performance and durability. Designed as a vented, conventional rotor, it offers effective heat dissipation and consistent stopping power for compatible vehicles requiring a 15-inch outside diameter rotor.

• Vented disc brake rotor for improved heat management
• Overall height of 3.5 inches (88.9 mm) ensures proper fitment
• Nominal thickness of 1.44 inches (36.6 mm) with discard thickness at 1.32 inches (33.55 mm)
• Five mounting bolt holes with a 6.75-inch (171.45 mm) bolt circle diameter
• Center hole diameter of 5.4 inches (137.2 mm) for accurate hub alignment
• Solid mounting bolt hole diameter of 0.783 inches (19.9 mm)

Raybestos R-Line Product Line Details

The R-Line by Raybestos is a product line focused on delivering dependable brake components that meet or exceed OEM specifications. The 8538R rotor is part of this line, offering a balance of performance and durability suitable for a range of vehicles requiring vented disc rotors with conventional mounting. This line is designed to provide consistent braking performance under normal driving conditions.

Technical Specifications and Features

The 8538R rotor features a vented design that helps dissipate heat generated during braking, reducing the risk of brake fade. With a nominal thickness of 1.44 inches and a discard thickness of 1.32 inches, this rotor maintains structural integrity throughout its service life. The 15-inch outside diameter and 3.5-inch overall height ensure compatibility with vehicles that require these dimensions. The rotor includes five mounting bolt holes arranged on a 6.75-inch bolt circle diameter, and a center hole diameter of 5.4 inches for precise hub fitment. The solid mounting bolt hole diameter of 0.783 inches supports secure installation.

Compatible Applications and Problem Solving

• Replacement for worn or warped disc brake rotors on compatible vehicles
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps restore proper braking performance and pedal feel
• Suitable for vehicles experiencing brake fade due to heat buildup
• Compatible with vehicles requiring a 5-lug, 15-inch vented rotor with conventional mounting

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 1.32 inches before installation. Clean the rotor surface to remove any protective coating or debris. Verify the bolt hole pattern and center hole diameter match the vehicle hub specifications. Proper torque specifications should be followed when tightening mounting bolts to avoid rotor warping. It is recommended to inspect brake pads and other related components during rotor replacement.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet industry standards for quality and durability. While specific warranty details for part number 8538R are not provided, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Users should consult the product packaging or manufacturer for exact warranty terms.