Dynamite Friction 633-47037L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-47037L) is engineered for Chevrolet Cobalt and HHR models. This vented disc brake rotor features a directional, slotted, and drilled surface designed to enhance braking performance and heat dissipation.

• Compatible with Chevrolet Cobalt and HHR vehicles
• Directional, slotted and drilled rotor surface for improved braking
• Vented rotor design for enhanced heat dissipation
• Black zinc-coated hat finish for corrosion resistance
• Nominal thickness of 25.7 mm with a discard thickness of 24 mm
• Five bolt holes with 14.3 mm diameter and 110 mm bolt circle diameter
• Overall diameter of 315.5 mm and height of 42.8 mm

Detailed Product Features and Specifications

This Dynamite Friction DFC Brake Rotor (part number 633-47037L) is constructed with a vented rotor design that helps reduce heat buildup during braking, which is critical for maintaining consistent stopping power on Chevrolet Cobalt and HHR models. The rotor surface is both drilled and slotted, allowing for better gas and dust evacuation, which improves pad bite and reduces brake fade. The directional surface pattern is optimized for airflow and performance.

The rotor’s nominal thickness is 25.7 mm, with a discard thickness of 24 mm, ensuring a reliable service life and clear replacement guidelines. The hat section features a zinc black finish that provides rust resistance, extending the rotor’s durability in various driving conditions. The rotor includes five bolt holes with a diameter of 14.3 mm and a bolt circle diameter of 110 mm, matching the factory specifications for the Chevrolet Cobalt and HHR.

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

The DFC Brake Rotor - Drilled and Slotted - Black product line by Dynamite Friction focuses on rotors that combine drilled holes and slots with a corrosion-resistant black zinc finish on the hat. This line is designed to offer enhanced braking performance through improved heat dissipation and debris removal, while also providing protection against rust. The 633-47037L rotor is a part of this line, tailored specifically for select Chevrolet models.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet Cobalt and HHR
• Improves braking response and reduces brake fade under heavy use
• Helps prevent rust and corrosion on rotor hats for longer service life
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Enhances heat dissipation to maintain consistent braking performance

Installation Notes and Tips

Ensure the rotor surface and hub are clean and free of debris before installation. Verify that the rotor thickness meets or exceeds the discard thickness of 24 mm to maintain safety and performance. Use proper torque specifications for the five 14.3 mm bolt holes on the 110 mm bolt circle diameter. This rotor is directional, so install it following the indicated rotation direction for optimal performance.

Quality Assurance and Warranty

Dynamite Friction manufactures the 633-47037L rotor to meet or exceed OEM specifications for Chevrolet Cobalt and HHR vehicles. The rotor features a rust-resistant zinc black hat finish and a vented design to ensure durability and consistent braking performance. Warranty details are provided by Dynamite Friction and should be confirmed at the time of purchase.