Dynamite Friction 631-48038L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-48038L) is engineered for reliable braking performance on select GM vehicles. Designed with a vented, directional surface, this rotor supports effective heat dissipation and consistent stopping power for models like the Chevrolet Silverado 1500 HD and GMC Sierra 2500.

• Vented disc brake rotor with drilled and slotted surface
• Directional braking surface for optimized performance
• Rust-resistant zinc silver hat finish
• Nominal thickness of 38 mm with discard thickness at 36.5 mm
• Eight bolt holes with 16.5 mm diameter for secure fitment
• Outside diameter of 325 mm and overall height of 89.2 mm
• Compatible with multiple Cadillac, Chevrolet, GMC, and Hummer models

DFC Brake Rotor - Drilled and Slotted - Silver Product Line

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 zinc silver hat finish provides corrosion resistance, extending rotor life in demanding conditions. This product line is designed to meet the specifications required by heavy-duty and performance-oriented vehicles, ensuring compatibility and durability.

Detailed Product Description

This disc brake rotor features a vented design that enhances airflow to reduce heat buildup during braking. The drilled and slotted surface improves water and debris evacuation, helping maintain consistent braking performance. The rotor’s directional surface is engineered to optimize pad contact and braking efficiency. With a nominal thickness of 38 mm and a discard thickness of 36.5 mm, it meets safety standards for wear limits. The zinc silver coating on the hat area offers rust resistance, which is critical for vehicles exposed to harsh environments. The rotor’s dimensions, including an outside diameter of 325 mm and an overall height of 89.2 mm, ensure proper fitment on compatible vehicles.

Compatible Vehicles and Applications

• Cadillac DeVille
• Chevrolet Avalanche 2500, Express 2500, Silverado 1500 HD, Silverado 2500, Suburban 2500
• GMC Sierra 1500 HD, Sierra 1500 HD Classic, Sierra 2500, Yukon XL 2500
• Hummer H2
• GMC Savana 2500

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup
• Uneven brake pad wear due to poor rotor surface design
• Corrosion and rust on rotor hats reducing lifespan
• Reduced braking efficiency in wet or debris-prone conditions
• Vibration or noise from warped or damaged rotors

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (36.5 mm) before installation
• Clean rotor surface and hub mounting area to prevent uneven contact
• Use proper torque specifications for the 8 bolt holes (16.5 mm diameter)
• Check compatibility with vehicle make and model before installation
• Inspect brake pads for wear and replace if necessary during rotor installation

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-48038L rotor to meet industry standards for durability and performance. The rust-resistant coating and vented design contribute to extended rotor life. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.