Raybestos 56148R Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Chevrolet, Geo, Pontiac, and Suzuki

The Raybestos R-Line 56148R disc brake rotor is engineered to provide consistent braking performance for select Chevrolet, Geo, Pontiac, and Suzuki models. Designed with precision, this vented rotor meets the specific requirements of vehicles like the Chevrolet Metro, Geo Firefly, and Pontiac Swift.

• Part Number: 56148R
• Brand: Raybestos R-Line
• Type: Vented Disc Brake Rotor
• Outside Diameter: 9.1 inches (231.15 mm)
• Overall Height: 1.96 inches (49.8 mm)
• Nominal Thickness: 0.67 inches (17.0 mm)
• Discard Thickness: 0.59 inches (15.0 mm)
• Mounting Bolt Hole Quantity: 4
• Mounting Bolt Hole Diameter: 4.5 inches (114.3 mm)
• Center Hole Diameter: 2.52 inches (64.0 mm)
• Stud/Lug Hole Quantity: 4
• Conventional Rotor Type

Raybestos R-Line Product Line Overview

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed to meet or exceed factory specifications. The 56148R rotor is part of this line, offering a vented design that helps dissipate heat effectively, which is essential for maintaining braking performance and rotor longevity in daily driving conditions.

Detailed Product Description

This disc brake rotor features a vented design that improves heat dissipation during braking, reducing the risk of brake fade. With a nominal thickness of 0.67 inches and a discard thickness of 0.59 inches, the rotor ensures safe and effective braking performance throughout its service life. The 9.1-inch outside diameter and 1.96-inch overall height are engineered to fit specific models such as the Chevrolet Metro, Geo Firefly, and Pontiac Swift. The rotor includes four mounting bolt holes with a 4.5-inch diameter bolt circle, ensuring proper fitment and secure installation.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking efficiency on Chevrolet Metro, Geo Firefly, and Pontiac Swift
• Addresses rotor thickness below manufacturer discard limits
• Improves heat dissipation to reduce brake fade during extended use
• Suitable for vehicles experiencing uneven brake pad wear or noise

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness of 0.59 inches
• Clean rotor surface to remove any protective coating before mounting
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to ensure optimal braking performance
• Check wheel hub surface for rust or debris to prevent rotor misalignment

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. Always consult product documentation or manufacturer resources for exact warranty terms.