Raybestos 5042R Disc Brake Rotor - Front

Overview of Raybestos R-Line 5042R Disc Brake Rotor

The Raybestos R-Line 5042R disc brake rotor is engineered for reliable braking performance on select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed as a solid rotor with precise dimensions, it meets the specifications required for vehicles like the Chevrolet Celebrity and Buick Century.

• Solid disc brake rotor design
• Outside diameter: 9.700 inches (246.4 mm)
• Nominal thickness: 0.875 inches (22.2 mm)
• Discard thickness: 0.815 inches (20.7 mm)
• Overall height: 1.945 inches (49.4 mm)
• Five mounting bolt holes with 3.937 inches (100 mm) bolt circle diameter
• Center hole diameter: 2.277 inches (57.85 mm)
• Conventional rotor type compatible with drum-in-hat setups

Detailed Product Description

The Raybestos R-Line 5042R rotor is a conventional solid disc brake rotor designed to meet the exacting standards of several GM vehicles, including Buick models like the Century and Skylark, Chevrolet models such as the Celebrity and Citation, Oldsmobile Omega, and Pontiac Phoenix. This rotor features a 9.700-inch outside diameter and a nominal thickness of 0.875 inches, ensuring proper fit and function within the braking system. The discard thickness of 0.815 inches indicates the minimum allowable thickness before replacement is necessary, helping maintain safe braking performance. The rotor’s overall height of 1.945 inches and five mounting bolt holes with a 100 mm bolt circle diameter provide secure installation and compatibility with the specified vehicles.

R-Line Product Line Information

The Raybestos R-Line product line focuses on delivering dependable brake components that meet OE specifications. The 5042R rotor is part of this line, offering a balance of durability and performance for vehicles requiring conventional solid rotors. This line is suitable for drivers seeking replacement parts that maintain factory fitment and function without additional modifications.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on Buick Century and Chevrolet Citation
• Restores braking efficiency on Oldsmobile Omega and Pontiac Phoenix
• Eliminates brake pulsation caused by uneven rotor surfaces
• Addresses rotor thickness below manufacturer discard limits
• Compatible with vehicles requiring a solid conventional rotor design

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean rotor surface and hub mounting area to prevent uneven wear
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to optimize rotor performance
• Check for proper rotor alignment to avoid brake noise or vibration

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards, ensuring consistent quality and performance. While specific warranty details for part number 5042R are not provided here, Raybestos typically offers coverage against defects in materials and workmanship. Users should consult product documentation or the manufacturer for exact warranty terms.