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Dynamite Friction 631-47007L Disc Brake Rotor - Front Left
Reliable Performance with Dynamite Friction DFC Brake Rotor
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver offers dependable braking performance for a range of GM vehicles. Designed specifically for models like the Chevrolet Malibu and Pontiac Grand Prix, this rotor ensures consistent stopping power and enhanced heat dissipation.
- Part Number: 631-47007L
- Disc Type: Vented, drilled and slotted surface
- Rust resistant zinc silver hat finish
- Nominal thickness: 26.29 mm with discard thickness at 24.31 mm
- Directional brake surface for optimized performance
- 5 bolt holes with 7/16-20 diameter and 120.7 mm bolt circle diameter
- Overall height and rotor height: 99.6 mm
- Outside diameter: 267 mm
- Center hole diameter: 70.6 mm
About the DFC Brake Rotor - Drilled and Slotted - Silver Line
The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction is engineered to provide improved braking efficiency through enhanced heat dissipation and reduced brake fade. The drilled and slotted design helps evacuate gases and debris, while the vented rotor construction supports better cooling during heavy braking. The zinc silver hat finish adds corrosion resistance, extending rotor life in various driving conditions.
Detailed Product Description
This disc brake rotor is designed for compatibility with Buick, Chevrolet, Oldsmobile, and Pontiac models including the Century, Cutlass, El Camino, Grand Am, and Monte Carlo. The rotor features a directional surface pattern combining drilled holes and slots to maintain clean pad contact and reduce brake fade. The vented rotor design improves airflow, helping to dissipate heat generated during braking. With a nominal thickness of 26.29 mm and a discard thickness of 24.31 mm, this rotor meets OEM specifications for durability and performance. The zinc silver coating on the hat area provides rust resistance, ensuring longevity in various environments.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Improves braking performance on Chevrolet Malibu and Pontiac Grand Prix
- Reduces brake fade during heavy or repeated braking
- Addresses rotor corrosion issues with rust resistant coating
- Enhances heat dissipation for better brake pad life
Installation Notes and Tips
Ensure the rotor surface is clean and free of debris before installation. Verify bolt hole alignment with the vehicle’s hub using the 5-bolt pattern and 7/16-20 bolt hole diameter. Confirm rotor thickness is above discard thickness (24.31 mm) before installation. Use proper torque specifications for lug nuts to avoid rotor warping. This rotor is directional; install with the correct orientation for optimal performance.
Quality Assurance
Dynamite Friction manufactures this rotor to meet or exceed OEM standards for fit, form, and function. The rust resistant zinc silver finish helps protect against corrosion, contributing to longer service life. While no specific warranty information is provided, the rotor is engineered for reliable performance on compatible Buick, Chevrolet, Oldsmobile, and Pontiac models.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-47007L |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Front Left |
| Discard Thickness | 24.31 |
| Nominal Thickness | 26.29 |
| Bolt Hole Diameter | 7/16-20 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Overall Height | 99.6 |
| Outside Diameter | 267 |
| Height | 99.6 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 70.6 |
| Stud/Lug Hole Quantity | 5 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 120.7 |
| Stud/Lug Hole Circle Diameter | 120.7 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1978 | Buick | Century | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Buick | Regal | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Chevrolet | El Camino | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Chevrolet | Malibu | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Chevrolet | Monte Carlo | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Oldsmobile | Cutlass | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Oldsmobile | Cutlass Salon | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Oldsmobile | Cutlass Supreme | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Pontiac | Grand Am | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Pontiac | Grand LeMans | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Pontiac | Grand Prix | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | Pontiac | LeMans | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.