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Dynamite Friction 631-73039L Disc Brake Rotor - Rear Left
Overview of Dynamite Friction DFC Brake Rotor
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-73039L) is engineered for Audi A6 Quattro models. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.
- Nominal thickness: 21.8 mm with a discard thickness of 20 mm
- Vented rotor design for improved cooling
- Directional slotted and drilled surface for debris removal and reduced brake fade
- Rust-resistant zinc silver hat finish
- 5 bolt holes with a bolt circle diameter of 112.3 mm
- Overall diameter of 330 mm and height of 49.5 mm
- Center hole diameter of 68 mm for precise fitment
Details on the DFC Brake Rotor - Drilled and Slotted - Silver Line
The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots on the braking surface. This design helps maintain consistent braking under demanding conditions by allowing gases and dust to escape, reducing heat buildup. The zinc silver coating on the rotor hat provides corrosion resistance, extending the rotor's service life. This product line is tailored for drivers seeking reliable, vented rotors with enhanced surface features for vehicles like the Audi A6 Quattro.
Product Description and Specifications
This disc brake rotor is specifically designed for the Audi A6 Quattro, ensuring compatibility and optimal performance. The rotor's vented construction improves airflow to dissipate heat generated during braking, which helps prevent warping and brake fade. The directional slotted and drilled surface improves water and debris evacuation from the rotor face, maintaining consistent pad contact and braking efficiency. The rotor features a plain disc finish with a zinc silver rust-resistant coating on the hat, protecting against corrosion and extending durability. With 5 bolt holes and a bolt circle diameter of 112.3 mm, this rotor fits securely on the vehicle hub. The overall diameter of 330 mm and height of 49.5 mm match factory specifications for proper fitment.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on Audi A6 Quattro models
- Improves braking performance under high heat conditions
- Reduces brake fade caused by gas and dust buildup
- Prevents rust and corrosion on rotor hats
- Maintains consistent braking feel with directional slotted and drilled design
Installation Notes and Tips
Ensure the rotor is installed on compatible Audi A6 Quattro models matching the specified bolt pattern and dimensions. Clean the rotor surface before installation to remove any protective coatings or residues. Torque lug nuts to manufacturer specifications to avoid rotor warping. It is recommended to replace brake pads simultaneously to ensure optimal braking performance and rotor longevity.
Quality Assurance and Warranty
Dynamite Friction manufactures this rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant zinc silver coating on the rotor hat enhances durability in various driving conditions. Please refer to Dynamite Friction's warranty policy for specific coverage details related to the 631-73039L brake rotor.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-73039L |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Rear Left |
| Discard Thickness | 20 |
| Nominal Thickness | 21.8 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Overall Height | 49.5 |
| Outside Diameter | 330 |
| Height | 49.5 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 68 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 15.3 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 112.3 |
| Stud/Lug Hole Circle Diameter | 112.3 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Audi | A6 Quattro | Rear Left | excluding Armored Vehicles; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2011 | Audi | A6 Quattro | Rear Left | Armored Vehicles; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2010 | Audi | A6 Quattro | Rear Left | excluding Armored Vehicles; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2010 | Audi | A6 Quattro | Rear Left | Armored Vehicles; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2009 | Audi | A6 Quattro | Rear Left | excluding Armored Vehicles; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2009 | Audi | A6 Quattro | Rear Left | Armored Vehicles; DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2008 | Audi | A6 Quattro | 4.2L | V8 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 2007 | Audi | A6 Quattro | 4.2L | V8 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 2006 | Audi | A6 Quattro | 4.2L | V8 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 2005 | Audi | A6 Quattro | 4.2L | V8 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.