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Dynamite Friction 631-02021L Disc Brake Rotor - Rear Left
Overview of the DFC Brake Rotor - Drilled and Slotted - Silver
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver offers reliable braking performance for Porsche 911, 944, and 968 models. Designed with precision, this vented disc brake rotor ensures effective heat dissipation and consistent stopping power under demanding conditions.
- Part Number: 631-02021L
- Compatible with Porsche 911, 944, and 968
- Vented disc design for improved cooling
- Directional drilled and slotted surface for enhanced brake pad bite
- Rust-resistant zinc silver hat finish
- 5 bolt holes with 130mm bolt circle diameter
- Nominal thickness of 24mm and discard thickness of 22mm
- Overall diameter of 299mm and height of 100.3mm
Detailed Product Features and Specifications
This DFC Brake Rotor - Drilled and Slotted - Silver is engineered with a vented rotor design that promotes airflow to reduce heat buildup during braking. The rotor features a directional surface with both drilled holes and slots, which help to evacuate gases, dust, and water, improving brake pad contact and reducing brake fade. The rotor’s nominal thickness is 24mm, with a discard thickness of 22mm, ensuring durability and safety over its service life.
The rotor’s hat is finished with a zinc silver coating that provides rust resistance, extending the rotor’s lifespan in various driving conditions. It includes five bolt holes with a 130mm bolt circle diameter and a center hole diameter of 103mm, designed specifically for Porsche 911, 944, and 968 models. The outside diameter measures 299mm, and the overall height is 100.3mm, matching OEM specifications for proper fitment and performance.
About the DFC Brake Rotor - Drilled and Slotted - Silver Product Line
The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on delivering rotors that combine functional design with corrosion resistance. This product line features rotors with drilled and slotted surfaces to enhance braking efficiency and heat dissipation. The zinc silver hat finish adds a layer of protection against rust, making these rotors suitable for drivers seeking reliable performance and longevity in their braking components.
Applications and Problem Solving
- Improves braking performance for Porsche 911, 944, and 968 models
- Reduces brake fade during aggressive or prolonged braking
- Helps prevent rotor warping caused by excessive heat
- Minimizes rust and corrosion on rotor hats for extended service life
- Enhances brake pad bite and reduces dust buildup with slotted and drilled design
Installation Notes and Tips
Ensure the rotor surface is clean and free of any contaminants before installation. Verify that the rotor thickness meets or exceeds the discard thickness of 22mm to maintain safety standards. Use proper torque specifications for the 5 bolt holes with a 130mm bolt circle diameter to secure the rotor correctly. It is recommended to inspect brake pads and other braking components during installation to ensure optimal system performance.
Quality Assurance and Warranty
Dynamite Friction manufactures the 631-02021L rotor to meet strict quality standards for fitment and durability. The rust-resistant zinc silver coating and vented rotor design contribute to long-term reliability. Please refer to Dynamite Friction’s warranty policy for specific coverage details related to this brake rotor.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-02021L |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Rear Left |
| Discard Thickness | 22 |
| Nominal Thickness | 24 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Overall Height | 100.3 |
| Outside Diameter | 299 |
| Height | 100.3 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 103 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 15.494 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 130 |
| Stud/Lug Hole Circle Diameter | 130 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1995 | Porsche | 968 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1994 | Porsche | 911 | Carrera 4 | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1994 | Porsche | 911 | Carrera 2 | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1994 | Porsche | 911 | RS America | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1994 | Porsche | 968 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1993 | Porsche | 911 | Carrera 2 | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1993 | Porsche | 911 | Carrera 4 | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1993 | Porsche | 911 | RS America | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1993 | Porsche | 968 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1992 | Porsche | 911 | Carrera 2 | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1992 | Porsche | 911 | Carrera 4 | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1992 | Porsche | 911 | RS America | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1992 | Porsche | 968 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1991 | Porsche | 911 | Carrera 2 | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1991 | Porsche | 911 | Carrera 4 | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1991 | Porsche | 944 | Rear Left | Koni Sport Suspension; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1991 | Porsche | 944 | Rear Left | Excluding Koni Sport Suspension; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1990 | Porsche | 911 | Rear Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1990 | Porsche | 944 | Rear Left | Koni Sport Suspension; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1990 | Porsche | 944 | Rear Left | Excluding Koni Sport Suspension; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1989 | Porsche | 911 | Carrera 4 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1989 | Porsche | 944 | S2 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1989 | Porsche | 944 | Turbo | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1988 | Porsche | 944 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1987 | Porsche | 944 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.