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Dynamite Friction 631-68003L Disc Brake Rotor - Rear Left
Overview of the DFC Brake Rotor for Infiniti Q45
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-68003L) is engineered for reliable braking performance on the Infiniti Q45. This solid disc brake rotor features a directional, slotted and drilled surface designed to enhance heat dissipation and maintain consistent stopping power.
- Compatible with Infiniti Q45 models
- Part number: 631-68003L
- Solid disc rotor with drilled and slotted surface
- Rust resistant zinc silver hat finish
- Directional brake surface for optimized performance
- 5 bolt holes with 114.3 mm bolt circle diameter
- Nominal thickness of 9 mm and discard thickness of 8 mm
- Overall diameter of 292 mm and height of 64 mm
Product Line Details: DFC Brake Rotor - Drilled and Slotted - Silver
The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction offers rotors with a combination of drilled holes and slots on the braking surface. This design improves ventilation and helps reduce brake fade by allowing heat and gases to escape more efficiently. The zinc silver finish on the rotor hat provides corrosion resistance, extending the rotor's service life. This product line is tailored for drivers seeking a balance between performance and durability in their braking components.
Technical Specifications and Features
This disc brake rotor is a solid type with a directional surface pattern, featuring both drilled holes and slots. The rotor has a nominal thickness of 9 mm and a discard thickness of 8 mm, ensuring safe replacement intervals. The rotor's outside diameter measures 292 mm, with an overall height of 64 mm. It includes 5 bolt holes arranged on a 114.3 mm bolt circle diameter, compatible with the Infiniti Q45's wheel hub. The rotor hat is finished in zinc silver, providing rust resistance, while the disc surface has a plain finish optimized for braking performance.
Applications and Problem Solving
- Replacement rotor for worn or warped Infiniti Q45 brake rotors
- Improves heat dissipation to reduce brake fade during heavy braking
- Helps maintain consistent braking performance under demanding conditions
- Addresses rotor corrosion issues with rust resistant coating
- Suitable for drivers requiring directional rotors with drilled and slotted surfaces
Installation Notes and Tips
Ensure the rotor thickness is above the discard thickness of 8 mm before installation. The directional surface requires correct orientation during mounting to maintain optimal braking performance. Verify the 5-lug bolt pattern with a 114.3 mm bolt circle diameter matches the vehicle hub. Clean the rotor surface of any protective coatings before installation to prevent brake pad contamination.
Quality Assurance
Dynamite Friction manufactures the 631-68003L rotor to meet or exceed OEM specifications for the Infiniti Q45. The rust resistant zinc silver hat finish helps extend rotor life by preventing corrosion. While no specific warranty information is provided, the rotor is designed for durability and consistent braking performance under normal operating conditions.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-68003L |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Rear Left |
| Discard Thickness | 8 |
| Nominal Thickness | 9 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Overall Height | 64 |
| Outside Diameter | 292 |
| Height | 64 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Solid |
| Center Hole Diameter | 68 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 12.7 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 114.3 |
| Stud/Lug Hole Circle Diameter | 114.3 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1996 | INFINITI | Q45 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1995 | INFINITI | Q45 | Rear Left | Active Suspension; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1995 | INFINITI | Q45 | Rear Left | Independent Rear Suspension; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1994 | INFINITI | Q45 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1993 | INFINITI | Q45 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1992 | INFINITI | Q45 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1991 | INFINITI | Q45 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1990 | INFINITI | Q45 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.