Dynamite Friction 631-48036L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-48036L) is engineered for reliable braking performance on select GM vehicles. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for models like the Chevrolet Silverado 1500 and GMC Yukon XL 1500.

• Vented disc brake rotor with drilled and slotted surface
• Nominal thickness of 29.1 mm and discard thickness of 27.2 mm
• Directional braking surface for optimized performance
• Zinc silver hat finish with rust-resistant coating
• 6 bolt holes with 16.4 mm diameter and 139.7 mm bolt circle diameter
• Outside diameter of 305 mm and overall height of 58.2 mm

Detailed Product Features and Specifications

This Dynamite Friction rotor features a vented design that improves airflow to reduce heat buildup during braking, which is critical for maintaining consistent stopping power. The drilled and slotted surface helps evacuate brake dust, gases, and water, contributing to better brake pad contact and reduced fade. The rotor’s directional surface is engineered to optimize braking efficiency and performance on vehicles such as the Cadillac Escalade and Chevrolet Tahoe.

The rotor’s hat is finished in zinc silver to resist corrosion, extending the service life of the part. With a nominal thickness of 29.1 mm and a discard thickness of 27.2 mm, this rotor meets OEM specifications for thickness and durability. The 6-bolt hole pattern with a 139.7 mm bolt circle diameter ensures compatibility with a range of GM trucks and SUVs.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 1500, Silverado 1500, Silverado 1500 HD, Suburban 1500, Tahoe
• GMC Sierra 1500, Sierra 1500 Classic, Yukon, Yukon XL 1500
• Chevrolet Astro, Express 1500, Express 2500, Safari
• GMC Savana 1500, Savana 2500

Common Issues Addressed by This Rotor

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

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (27.2 mm) before installation
• Clean mounting surface and hub to prevent runout
• Torque lug nuts to manufacturer specifications for proper fitment
• Use compatible brake pads designed for drilled and slotted rotors
• Inspect brake calipers and hardware during installation for optimal performance

Quality Assurance and Warranty

The Dynamite Friction DFC Brake Rotor line is manufactured to meet or exceed OEM standards for durability and performance. The rust-resistant zinc silver hat finish and vented rotor design contribute to long service life. While specific warranty details are not provided, Dynamite Friction products typically come with manufacturer-backed quality assurance to ensure reliability on vehicles such as the Chevrolet Silverado 1500 and GMC Yukon XL 1500.