Raybestos 56919R Disc Brake Rotor - Rear

Overview of Raybestos R-Line 56919R Disc Brake Rotor

The Raybestos R-Line 56919R disc brake rotor is engineered for reliable braking performance on select GM trucks and SUVs. Designed specifically for vehicles like the Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, and Yukon XL 1500, this rotor meets precise fitment and durability requirements.

• Part Number: 56919R
• Brand: Raybestos R-Line
• Type: Vented Disc Brake Rotor with Drum-in-Hat design
• Outside Diameter: 13.000 inches (330.2 mm)
• Nominal Thickness: 1.185 inches (30.1 mm)
• Discard Thickness: 1.122 inches (28.5 mm)
• Overall Height: 3.760 inches (95.5 mm)
• Mounting Bolt Hole Quantity: 6
• Center Hole Diameter: 3.094 inches (78.6 mm)
• Mounting Bolt Hole Circle Diameter: 5.5 inches (139.7 mm)
• Stud/Lug Hole Quantity: 6

Detailed Product Description

This Raybestos R-Line disc brake rotor features a vented design that improves heat dissipation during braking, helping to reduce brake fade and maintain consistent stopping power. The drum-in-hat configuration integrates a parking brake drum within the rotor, making it compatible with vehicles equipped with rear drum parking brakes. With an outside diameter of 13 inches and a nominal thickness of 1.185 inches, this rotor is engineered to meet the exact specifications required for proper fit and function on the Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, Suburban 1500, and Yukon XL 1500 models.

The rotor includes six mounting bolt holes and six stud/lug holes, ensuring secure attachment to the hub assembly. The center hole diameter of 3.094 inches allows for precise centering on the vehicle’s hub, which is critical for smooth rotor operation and brake system performance.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line designed to provide dependable replacement brake components that meet or exceed OEM specifications. This line focuses on delivering rotors and drums with consistent quality and fitment for popular truck and SUV applications. The 56919R rotor exemplifies the R-Line’s commitment to durability and performance in demanding driving conditions.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Restores proper braking performance on Chevrolet Silverado 1500 and GMC Sierra 1500
• Addresses noise and vibration issues related to rotor wear on Cadillac Escalade and Yukon XL 1500
• Compatible with vehicles requiring drum-in-hat rotors for integrated parking brake function
• Helps maintain safe stopping distances under heavy load or towing conditions

Installation Notes and Tips

• Verify vehicle compatibility with Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, Suburban 1500, or Yukon XL 1500 before installation
• Inspect hub surface for rust or debris to ensure proper rotor seating
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Replace brake pads simultaneously to ensure even wear and optimal braking
• Check parking brake adjustment after installation due to drum-in-hat design

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring consistent thickness and balanced construction. The 56919R rotor undergoes rigorous testing to comply with OEM fit and performance requirements. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship, providing confidence in the product’s reliability for Chevrolet, GMC, and Cadillac truck and SUV applications.