Dynamite Friction 631-48037R Disc Brake Rotor - Rear Right

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-48037R) is engineered for reliable braking performance on select Chevrolet and GMC trucks and SUVs. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency under demanding conditions.

• Vented disc brake rotor with drilled and slotted surface
• Nominal thickness of 20 mm and discard thickness of 18.5 mm
• Directional braking surface for optimized pad contact
• Zinc silver hat finish with rust-resistant coating
• Fits Chevrolet and GMC models including Silverado 1500, Sierra 1500, Tahoe, Yukon XL 1500, and more
• 6 bolt holes with 16.4 mm diameter and 139.7 mm bolt circle diameter
• Overall diameter of 325 mm and height of 85.3 mm

Product Line Details: DFC Brake Rotor - Drilled and Slotted - Silver

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on rotors that combine drilled holes and slots to improve brake pad bite and aid in heat and gas dissipation. The silver zinc coating on the hat provides corrosion resistance, extending rotor life. This product line is designed to meet the demands of heavy-duty trucks and SUVs, offering a balance of durability and performance for vehicles like the Chevrolet Silverado 1500 and GMC Yukon XL 1500.

Technical Specifications and Features

This vented rotor features a 325 mm outside diameter and a 20 mm nominal thickness, ensuring sufficient material for long service life. The drilled and slotted surface type enhances braking by allowing gases and debris to escape, reducing brake fade. The rotor’s directional design optimizes pad contact and wear. The zinc silver hat finish and rust-resistant coating protect against corrosion, which is critical for vehicles exposed to harsh environments. The rotor includes six bolt holes with a 16.4 mm diameter and a 139.7 mm bolt circle diameter, matching factory specifications for compatible Chevrolet and GMC models.

Compatible Vehicles and Applications

• Chevrolet Silverado 1500 and Silverado 1500 Classic
• Chevrolet Avalanche 1500 and Suburban 1500
• Chevrolet Tahoe
• GMC Sierra 1500, Sierra 1500 Classic, and Sierra 1500 HD
• GMC Yukon and Yukon XL 1500
• Chevrolet Astro and Safari

This rotor is suitable for drivers seeking to replace worn or damaged rotors on these specific models, ensuring proper fit and performance.

Common Issues Addressed by This Rotor

• Brake fade caused by overheating during heavy braking
• Uneven brake pad wear due to poor rotor surface design
• Corrosion and rust buildup on rotor surfaces
• Reduced braking efficiency from warped or damaged rotors
• Excessive brake noise and vibration

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 18.5 mm before installation. Clean the rotor surface to remove any protective coatings or debris. Verify bolt hole alignment with the vehicle’s hub using the 6-bolt pattern and 139.7 mm bolt circle diameter. Properly torque lug nuts to manufacturer specifications to avoid rotor warping. Directional rotors must be installed with the correct rotation direction for optimal performance.

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-48037R rotor to meet or exceed OEM standards for fit and function. The rust-resistant coating and zinc silver hat finish contribute to long-term durability. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure reliability on Chevrolet and GMC vehicles.