Raybestos 5804R Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Buick and Cadillac Models

The Raybestos R-Line 5804R disc brake rotor is engineered to meet the braking demands of select Buick and Cadillac vehicles. Designed for durability and consistent performance, this rotor supports safe and effective stopping power for models like the Buick LeSabre and Cadillac DeVille.

• Vented disc brake rotor design for improved heat dissipation
• Nominal thickness of 0.980 inches (24.9 mm) with discard thickness at 0.906 inches (23.0 mm)
• Overall height of 2.200 inches (55.9 mm) ensuring proper fitment
• Outside diameter measures 11.160 inches (283.45 mm)
• Five mounting bolt holes with a 5.000 inch (127.0 mm) bolt circle diameter
• Center hole diameter of 3.067 inches (77.9 mm) for precise hub alignment
• Conventional rotor type compatible with drum-in-hat setups

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on providing reliable, OEM-quality brake components for a range of vehicles. This line emphasizes consistent manufacturing standards and material quality to ensure rotors like the 5804R deliver dependable braking performance. The R-Line rotors are designed to meet or exceed factory specifications, making them suitable replacements for original equipment on Buick and Cadillac models.

Detailed Product Description

The 5804R disc brake rotor features a vented design that helps reduce heat buildup during braking, which is critical for maintaining braking efficiency and rotor longevity. With a nominal thickness of 0.980 inches and a discard thickness of 0.906 inches, this rotor provides a clear service life indicator to help maintain safe braking conditions. The rotor’s overall height and outside diameter are engineered to fit specific Buick and Cadillac chassis, including the Commercial Chassis, DeVille, Fleetwood, LeSabre, Riviera, and Seville models. The five mounting bolt holes and precise center hole diameter ensure secure installation and proper alignment with the vehicle’s hub assembly.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading from solid to vented rotors for improved heat management
• Resolving brake noise or vibration related to rotor surface wear
• Restoring braking performance on Buick LeSabre and Cadillac DeVille models
• Maintaining proper rotor thickness to prevent brake fade and ensure safety

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard specifications
• Clean rotor surface and hub mounting area to prevent uneven wear or vibration
• Use proper torque specifications on mounting bolts to secure the rotor
• Inspect brake pads and calipers during rotor replacement for optimal system performance
• Follow vehicle manufacturer guidelines for brake system maintenance

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent dimensions and material integrity. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Using the 5804R rotor helps maintain the braking system’s reliability on compatible Buick and Cadillac vehicles.