Dynamite Friction 631-47028L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-47028L) is engineered for reliable braking performance on select Chevrolet, Oldsmobile, and Pontiac vehicles. Designed specifically for models such as the Chevrolet Malibu, Pontiac Grand Am, and Oldsmobile Cutlass, this vented disc brake rotor offers enhanced heat dissipation and consistent stopping power.

• Disc type: Vented, drilled and slotted surface
• Nominal thickness: 26 mm with discard thickness at 24.7 mm
• Outside diameter: 278 mm
• Overall height: 48.8 mm
• Bolt hole quantity: 5 with 16.2 mm diameter
• Bolt circle diameter: 118 mm
• Center hole diameter: 70.5 mm
• Hat finish: Zinc silver coating for corrosion resistance
• Rust resistant coating applied
• Directional brake surface for optimized performance

Detailed Product Description

This Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is designed with a vented rotor construction to improve airflow and reduce heat buildup during braking. The drilled and slotted surface enhances water and debris evacuation, helping maintain consistent brake pad contact and reducing brake fade. The rotor features a plain disc finish combined with a zinc silver hat finish that provides rust resistance, extending the rotor's service life. With a bolt hole pattern of 5 holes at 16.2 mm diameter and a bolt circle diameter of 118 mm, this rotor is compatible with specific Chevrolet Malibu, Oldsmobile Cutlass, Pontiac Grand Am, and related models. The directional brake surface ensures proper installation orientation for optimal braking efficiency.

DFC Brake Rotor Product Line Information

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on rotors that combine drilled holes and slots to improve braking performance under demanding conditions. This product line is designed to provide enhanced heat dissipation and debris removal, which is particularly beneficial for vehicles used in varied driving environments. The silver zinc coating on the rotor hat adds corrosion resistance, helping maintain rotor integrity over time.

Common Applications and Problem Solving

• Reduces brake fade caused by excessive heat buildup
• Improves braking performance in wet or debris-prone conditions
• Prevents rust and corrosion on rotor surfaces
• Maintains consistent brake pad contact for smoother stops
• Compatible replacement for worn or damaged rotors on Chevrolet Malibu, Pontiac Grand Am, and Oldsmobile Cutlass

Installation Notes and Tips

Ensure the rotor is installed with the directional surface oriented correctly according to the vehicle’s rotation direction. Verify bolt hole alignment with the vehicle’s hub using the 5-hole, 16.2 mm diameter pattern and 118 mm bolt circle diameter. Clean the rotor surface before installation to remove any protective coatings or residues. Check the rotor thickness and discard thickness (26 mm nominal, 24.7 mm discard) to confirm suitability for your vehicle’s braking system.

Quality Assurance

Dynamite Friction rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The rust resistant zinc silver coating and vented rotor design contribute to durability and consistent braking performance. Please consult vehicle-specific service manuals for proper installation and maintenance. Warranty information is available from the manufacturer or authorized distributors.