Dynamite Friction 633-42030L Disc Brake Rotor - Front Left

Reliable Brake Performance for Jeep Wrangler Models

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (Part Number 633-42030L) is engineered to provide consistent braking performance for Jeep Wrangler and Wrangler JK vehicles. Designed with precision, this vented disc brake rotor offers enhanced heat dissipation and improved stopping power under demanding conditions.

• Disc Type: Vented, drilled and slotted surface for optimal heat management
• Nominal Thickness: 28 mm with a discard thickness of 26.4 mm
• Outside Diameter: 302 mm, compatible with Jeep Wrangler and Wrangler JK
• Hat Finish: Zinc black coating for corrosion resistance
• Bolt Hole Quantity: 5 with 16.6 mm diameter, bolt circle diameter 127 mm
• Directional brake surface for improved water and debris evacuation
• Rust resistant coating to extend rotor lifespan

About the DFC Brake Rotor - Drilled and Slotted - Black Line

The DFC Brake Rotor - Drilled and Slotted - Black line from Dynamite Friction focuses on rotors that combine drilled holes and precision slots to enhance braking efficiency. This product line is designed to reduce brake fade by improving airflow and heat dissipation, while the black zinc coating on the hat provides additional protection against rust and corrosion. This rotor is directional, ensuring optimal performance in wet or dusty environments common to off-road Jeep use.

Technical Specifications and Features

This disc brake rotor features a vented design with a 302 mm outside diameter and a 55 mm overall height, ensuring compatibility with Jeep Wrangler and Wrangler JK models. The rotor’s nominal thickness is 28 mm, with a discard thickness of 26.4 mm, indicating when replacement is necessary to maintain safe braking. The rotor includes five bolt holes with a diameter of 16.6 mm and a bolt circle diameter of 127 mm, matching the factory specifications for these Jeep models. The directional slotted and drilled surface improves braking response by channeling away heat, gases, and debris during operation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Jeep Wrangler and Wrangler JK
• Improves braking performance in off-road and wet conditions
• Reduces brake fade during extended braking or heavy towing
• Helps prevent rust and corrosion with zinc black hat finish and rust-resistant coating
• Maintains factory fitment and bolt pattern for straightforward installation

Installation Notes and Tips

Ensure the rotor is installed with the directional side facing outward to maximize water and debris evacuation. Verify bolt hole alignment with the vehicle’s hub using the 127 mm bolt circle diameter and 16.6 mm bolt hole diameter. It is recommended to inspect brake pads and hardware during rotor replacement to ensure optimal braking system performance.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for Jeep Wrangler and Wrangler JK models. The rust-resistant zinc black coating and vented design contribute to durability and long service life. Please refer to Dynamite Friction’s warranty policy for specific coverage details.