Dynamite Friction 631-47042R Disc Brake Rotor - Rear Right

Overview of the DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-47042R) is engineered for reliable braking performance on select Buick, Chevrolet, and Pontiac models. Designed with a directional, slotted and drilled surface, this rotor enhances heat dissipation and braking consistency for vehicles like the Buick LaCrosse and Chevrolet Impala.

• Disc type: Solid disc brake rotor with drilled and slotted surface
• Nominal thickness: 14 mm with a discard thickness of 12.5 mm
• Overall diameter: 270 mm with a height of 36.9 mm
• Hat finish: Zinc silver coating for corrosion resistance
• Rust resistant coating applied to extend rotor life
• Bolt hole quantity: 5 with 14.2 mm diameter, bolt circle diameter 115 mm
• Directional brake surface for optimized performance

Detailed Product Description

This DFC Brake Rotor - Drilled and Slotted - Silver is a solid rotor designed to meet the braking demands of mid-size sedans such as the Chevrolet Impala Limited and Pontiac Grand Prix. The rotor features a 270 mm outside diameter and a 36.9 mm height, ensuring proper fitment and compatibility with the specified vehicles. The drilled and slotted surface improves heat dissipation and helps reduce brake fade during extended use, while the directional pattern supports efficient water and debris evacuation.

The rotor’s zinc silver hat finish and rust resistant coating provide enhanced protection against corrosion, which is critical for maintaining braking performance over time. With five bolt holes sized at 14.2 mm and a bolt circle diameter of 115 mm, this rotor is engineered for secure mounting and precise alignment.

Compatible Vehicles and Applications

• Buick Allure and LaCrosse models requiring a 270 mm rotor diameter
• Chevrolet Impala and Impala Limited with 5-lug, 115 mm bolt circle
• Pontiac Grand Prix models matching the specified bolt pattern and rotor size
• Replacement for worn or damaged rotors exhibiting brake fade or vibration
• Upgrading to drilled and slotted rotors for improved braking under demanding conditions

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your vehicle before installation
• Ensure the rotor surface is clean and free of contaminants prior to mounting
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads for wear and replace if necessary when installing new rotors
• Follow proper bedding-in procedures to optimize rotor and pad performance

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC Brake Rotor - Drilled and Slotted - Silver to meet industry standards for durability and performance. The rotor includes a rust resistant coating and zinc silver hat finish to extend service life. Please consult product documentation or contact the manufacturer for specific warranty details related to part number 631-47042R.