Raybestos 56242 Disc Brake Rotor - Front

Raybestos Specialty - Truck Disc Brake Rotor Overview

The Raybestos Specialty - Truck Disc Brake Rotor 56242 is engineered for reliable braking performance on heavy-duty trucks and SUVs. Designed specifically for Chevrolet, Dodge, and GMC models, this solid rotor meets precise specifications to ensure proper fit and function.

• Part Number: 56242
• Category: Disc Brake Rotor (Brake Drums and Rotors)
• Compatible with Chevrolet K1500 Suburban, K2500, K2500 Suburban, K3500, Suburban 2500, Tahoe, and Dodge Ram 2500
• Solid rotor design for consistent braking
• Outside diameter: 12.5 inches (317.5 mm)
• Nominal thickness: 1.285 inches (32.65 mm)
• Discard thickness: 1.215 inches (30.85 mm)
• Overall height: 2.755 inches (70 mm)
• Mounting bolt hole quantity: 8 with 0.64 inch (16.25 mm) diameter holes
• Center hole diameter: 1.3725 inches (5.404 mm)
• Mounting bolt hole circle diameter: 1.651 inches (6.5 mm)
• Conventional rotor type

Detailed Specifications and Features

This Raybestos disc brake rotor is a solid, conventional type designed for heavy-duty truck applications. The rotor’s 12.5-inch outside diameter and 1.285-inch nominal thickness provide the necessary surface area and mass to handle the braking demands of large SUVs and trucks such as the Chevrolet K1500 Suburban and Dodge Ram 2500. The discard thickness of 1.215 inches ensures safe replacement intervals, maintaining braking efficiency and safety. With eight mounting bolt holes and a precise bolt circle diameter, this rotor fits securely on compatible hubs, ensuring proper alignment and stability during operation.

Specialty - Truck Product Line Details

The Raybestos Specialty - Truck line focuses on components tailored for truck and SUV applications, emphasizing durability and fitment accuracy. This product line addresses the unique braking requirements of heavier vehicles, providing rotors that meet OEM specifications for thickness, diameter, and mounting configurations. The 56242 rotor is part of this line, engineered to deliver consistent performance under the demanding conditions typical of trucks like the GMC K3500 and Chevrolet Tahoe.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking performance on Chevrolet and GMC heavy-duty trucks
• Addresses rotor thickness below discard limits to maintain safety
• Eliminates noise and vibration from uneven rotor surfaces
• Ensures proper fitment for models with 8-bolt mounting patterns

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets nominal specifications
• Clean mounting surfaces to prevent rotor misalignment
• Torque mounting bolts to manufacturer specifications for secure fit
• Inspect brake pads and replace if worn to optimize rotor lifespan
• Check hub and wheel bearings for wear during rotor replacement

Quality Assurance and Warranty

Raybestos rotors are manufactured to meet strict quality standards, ensuring durability and consistent braking performance. The Specialty - Truck line undergoes rigorous testing to comply with OEM fit and function requirements. While specific warranty details for part number 56242 should be confirmed with the supplier, Raybestos typically offers coverage against manufacturing defects to support long-term reliability.