Dynamite Friction 633-48045L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-48045L) is engineered for reliable braking performance on select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for vehicles like the Trailblazer, Envoy, and Jimmy.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Overall diameter: 325 mm with 85 mm height
• Nominal thickness: 20 mm; discard thickness: 18.5 mm
• Directional brake surface for optimized performance
• Rust-resistant zinc black hat finish with plain disc finish
• 6 bolt holes with 13.2 mm diameter and 127 mm bolt circle diameter
• Center hole diameter: 78.7 mm

DFC Brake Rotor - Drilled and Slotted - Black Product Line Details

The DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction focuses on rotors that combine drilled holes and slots to improve brake pad bite and reduce heat buildup. The black zinc coating on the rotor hat provides corrosion resistance, extending rotor life in demanding conditions. This product line is designed to meet the braking needs of mid-size SUVs and trucks, including models such as the GMC Envoy XL and Chevrolet Trailblazer EXT.

Technical Description and Specifications

This disc brake rotor features a vented design that promotes airflow to dissipate heat effectively during braking. The drilled and slotted surface enhances water and debris evacuation, reducing brake fade and maintaining consistent stopping power. With a nominal thickness of 20 mm and a discard thickness of 18.5 mm, the rotor ensures durability and safety throughout its service life. The zinc black hat finish offers rust resistance, protecting the rotor from corrosion in various driving environments. The rotor's 6-bolt pattern with a 127 mm bolt circle diameter matches factory specifications for compatible vehicles.

Compatible Vehicles and Applications

• Buick 9-7x
• Chevrolet Trailblazer, Trailblazer EXT, SSR
• GMC Envoy, Envoy XL, Envoy XUV, Jimmy, Rainier
• Isuzu Ascender, Bravada
• Oldsmobile Bravada
• Saab 9-7x

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

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup
• Uneven brake pad wear due to rotor surface imperfections
• Corrosion and rust on rotor hats reducing lifespan
• Reduced braking efficiency in wet conditions
• Vibration or pulsation during braking from warped rotors

Installation Notes and Tips

Ensure the rotor surface is clean and free of contaminants before installation. Verify the bolt hole pattern and center hole diameter match your vehicle’s hub assembly. Use proper torque specifications for lug nuts to avoid rotor warping. It is recommended to replace brake pads simultaneously to maintain optimal braking performance.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for fit and function. The rust-resistant coating and vented design contribute to long service life. Please consult the manufacturer or distributor for specific warranty details related to part number 633-48045L.