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Dynamite Friction 631-02001L Disc Brake Rotor - Front Left
Overview of Dynamite Friction DFC Brake Rotor
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-02001L) is engineered for Porsche 911, 924, and 944 models. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.
- Compatible with Porsche 911, 924, and 944 models
- Directional slotted and drilled surface for improved brake pad contact and cooling
- Vented rotor design to reduce heat buildup
- Rust resistant zinc silver hat finish with plain disc finish
- 5 bolt holes with 126mm bolt circle diameter
- Nominal thickness of 20mm and discard thickness of 19.1mm
- Overall diameter of 282.5mm and height of 35mm
Detailed Product Features and Specifications
This DFC Brake Rotor - Drilled and Slotted - Silver is constructed with a vented rotor design that helps maintain optimal braking temperatures by allowing air to flow through the rotor. The directional surface features both drilled holes and slots, which aid in removing brake dust, gases, and water from the rotor surface, improving braking consistency and reducing fade. The rotor’s nominal thickness is 20mm, with a discard thickness of 19.1mm, ensuring safe replacement intervals. The zinc silver coating on the hat provides corrosion resistance, extending the rotor’s service life, while the plain disc finish maintains a clean braking surface.
About the DFC Brake Rotor - Drilled and Slotted - Silver Line
The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on delivering rotors that combine functional surface treatments with corrosion-resistant finishes. This product line is designed to meet the demands of performance-oriented vehicles like the Porsche 911, 924, and 944, offering enhanced heat dissipation and improved braking response through its vented, drilled, and slotted design.
Applications and Problem Solving
- Reduces brake fade during aggressive driving or heavy braking
- Improves water and debris evacuation for consistent braking in wet conditions
- Minimizes brake dust buildup on rotor surface
- Helps prevent rust and corrosion on the rotor hat
- Maintains structural integrity with vented design to avoid warping
Installation Notes and Tips
Ensure the rotor is compatible with your Porsche 911, 924, or 944 by verifying the 5-bolt pattern with a 126mm bolt circle diameter. Check the rotor thickness before installation; replace if below the discard thickness of 19.1mm. Properly torque lug nuts to manufacturer specifications and inspect brake pads for wear during rotor replacement. Directional rotors must be installed following the indicated rotation direction for optimal performance.
Quality Assurance
Dynamite Friction manufactures this rotor to meet strict quality standards, including rust-resistant coatings and precise machining tolerances. While no specific warranty information is provided, adherence to OEM specifications ensures reliable performance and durability for Porsche 911, 924, and 944 brake systems.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-02001L |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Front Left |
| Discard Thickness | 19.1 |
| Nominal Thickness | 20 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Overall Height | 35 |
| Outside Diameter | 282.5 |
| Height | 35 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 107 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 8.6 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 126 |
| Stud/Lug Hole Circle Diameter | 126 |
This part fits 44 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1988 | Porsche | 924 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1987 | Porsche | 924 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1986 | Porsche | 944 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1985 | Porsche | 944 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1984 | Porsche | 944 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1983 | Porsche | 911 | Front Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1983 | Porsche | 944 | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1982 | Porsche | 911 | Front Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1982 | Porsche | 924 | Turbo | Front Left | Sport Turbo; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1981 | Porsche | 911 | Front Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1981 | Porsche | 924 | Turbo | Front Left | Sport Turbo; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1980 | Porsche | 911 | Front Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1980 | Porsche | 924 | Turbo | Front Left | Sport and Turbo Sport; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1979 | Porsche | 911 | Front Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1979 | Porsche | 924 | Turbo | Front Left | Sport Turbo; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Porsche | 911 | Front Left | without Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1977 | Porsche | 911 | S | Front Left | without Turbo-Look Package; Front Cast Iron "A" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1977 | Porsche | 911 | S | Front Left | without Turbo-Look Package; Front Alloy "S" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1977 | Porsche | 911 | S | Front Left | without Turbo-Look Package; Front Cast Iron "M" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1977 | Porsche | 911 | Turbo Carrera | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1977 | Porsche | 911 | S | Front Left | with Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1976 | Porsche | 911 | S | Front Left | without Turbo-Look Package; Front Cast Iron "A" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1976 | Porsche | 911 | S | Front Left | without Turbo-Look Package; Front Alloy "S" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1976 | Porsche | 911 | S | Front Left | without Turbo-Look Package; Front Cast Iron "M" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1976 | Porsche | 911 | Turbo Carrera | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1976 | Porsche | 911 | S | Front Left | with Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1975 | Porsche | 911 | S | Front Left | without Turbo-Look Package; Front Cast Iron "A" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1975 | Porsche | 911 | S | Front Left | without Turbo-Look Package; Front Alloy "S" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1975 | Porsche | 911 | S | Front Left | without Turbo-Look Package; Front Cast Iron "M" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1975 | Porsche | 911 | S | Front Left | with Turbo-Look Package; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1974 | Porsche | 911 | Front Left | Front Alloy "S" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1974 | Porsche | 911 | Front Left | Vented Rotors; Front Cast Iron "M" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1973 | Porsche | 911 | Front Left | Vented Rotors; Front Aluminum "S" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1973 | Porsche | 911 | Front Left | Vented Rotors; Front Cast Iron "M" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1972 | Porsche | 911 | Front Left | Vented Rotors; Front Aluminum "S" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1972 | Porsche | 911 | Front Left | Vented Rotors; Front Cast Iron "M" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1971 | Porsche | 911 | Front Left | Vented Rotors; Front Aluminum "S" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1971 | Porsche | 911 | Front Left | Vented Rotors; Front Cast Iron "M" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1970 | Porsche | 911 | Front Left | Vented Rotors; Front Aluminum "S" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1970 | Porsche | 911 | Front Left | Vented Rotors; Front Cast Iron "M" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1969 | Porsche | 911 | Front Left | Vented Rotors; Front Aluminum "S" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1969 | Porsche | 911 | Front Left | Vented Rotors; Front Cast Iron "M" Calipers; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1968 | Porsche | 911 | Front Left | Vented Disc Brake Rotor; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 1967 | Porsche | 911 | Front Left | Vented Disc Brake Rotor; DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.