Raybestos 780518R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 780518R

The Raybestos R-Line Disc Brake Rotor 780518R is engineered for reliable braking performance on Jeep Wrangler and Wrangler JK models. Crafted from durable cast iron, this vented rotor is designed to maintain optimal braking efficiency under demanding conditions.

• Material: Cast iron for strength and heat dissipation
• Vented rotor design for improved cooling
• Nominal thickness: 1.102 inches (28.000 mm)
• Discard thickness: 1.039 inches (26.400 mm)
• Outside diameter: 11.890 inches (302.000 mm)
• Overall height: 2.169 inches (55.100 mm)
• Mounting bolt hole quantity: 5 with 0.654 inch (16.600 mm) diameter
• Center hole diameter: 2.839 inches (72.100 mm)
• Mounting bolt hole circle diameter: 5.000 inches (127.000 mm)
• Conventional rotor type compatible with Jeep Wrangler brake systems

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable brake components that meet or exceed OEM specifications. This product line emphasizes quality materials and precise manufacturing to ensure consistent performance and durability. The 780518R rotor is part of this line, offering a balance of strength and heat management suitable for Jeep Wrangler and Wrangler JK vehicles.

Technical Description and Specifications

This disc brake rotor is constructed from cast iron, a material known for its excellent wear resistance and thermal conductivity. The vented design enhances airflow, helping to reduce heat buildup during braking and minimizing the risk of brake fade. With a nominal thickness of 1.102 inches and a discard thickness of 1.039 inches, the rotor provides a clear service life indicator to maintain safe braking performance. The rotor’s outside diameter of 11.890 inches and overall height of 2.169 inches ensure proper fitment and compatibility with the specified Jeep models. The 5 mounting bolt holes and lug holes are precisely spaced with a 5.000-inch bolt circle diameter, facilitating straightforward installation.

Compatible Applications and Common Issues Addressed

• Replacement for worn or warped rotors on Jeep Wrangler and Wrangler JK
• Resolves brake pulsation caused by uneven rotor surfaces
• Addresses reduced braking efficiency due to rotor overheating
• Eliminates noise and vibration from damaged or scored rotors
• Restores proper rotor thickness for safe braking performance

Installation Notes and Tips

Ensure the rotor surface and hub are clean and free of rust before installation. Verify the rotor thickness is above the discard limit of 1.039 inches to maintain safety standards. Use the correct torque specifications for the 5 mounting bolts to avoid rotor warping. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor longevity.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent performance and durability. The 780518R rotor undergoes rigorous testing to comply with OEM specifications. Warranty details should be confirmed with the product documentation or manufacturer, as they may vary by region.