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Dynamite Friction 633-68019L Disc Brake Rotor - Rear Left
Overview of the DFC Brake Rotor - Drilled and Slotted - Black
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-68019L) is engineered for reliable braking performance on Infiniti QX50 and QX55 models. Designed with a directional slotted and drilled surface, this rotor enhances heat dissipation and braking consistency under various driving conditions.
- Compatible with Infiniti QX50 and QX55 vehicles
- Directional slotted and drilled disc surface for improved cooling
- Black zinc-coated hat finish for corrosion resistance
- Nominal thickness of 16 mm with a discard thickness of 14 mm
- 5 bolt holes with a 114.3 mm bolt circle diameter
- 308 mm outside diameter and 68 mm center hole diameter
- Rust resistant coating applied for extended rotor life
Detailed Product Features and Specifications
This DFC Brake Rotor features a plain disc finish combined with a zinc black hat finish that provides enhanced protection against rust and corrosion. The rotor’s 308 mm outside diameter and 47.26 mm height are designed to meet the exact specifications required for Infiniti QX50 and QX55 models. The directional slotted and drilled surface improves brake pad bite and helps evacuate gases and debris, reducing brake fade during heavy use. With 5 bolt holes and a bolt circle diameter of 114.3 mm, this rotor ensures a precise fit and secure mounting.
The nominal thickness of 16 mm and discard thickness of 14 mm provide clear guidelines for maintenance and replacement, helping maintain optimal braking performance and safety.
About the DFC Brake Rotor - Drilled and Slotted - Black Product Line
The DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction focuses on rotors that combine drilled holes and slots with a corrosion-resistant black zinc finish on the hat. This product line is designed to offer enhanced heat dissipation and improved braking response, particularly suited for vehicles requiring reliable performance under varied driving conditions. The black zinc coating on the hat area adds durability against rust, extending the rotor’s service life.
Common Applications and Problem Solving
- Reduces brake fade caused by heat buildup during aggressive or repeated braking
- Improves water and debris evacuation for consistent braking in wet conditions
- Prevents rust and corrosion on the rotor hat for longer component life
- Maintains proper rotor thickness to ensure safe braking performance
- Provides a direct replacement rotor for Infiniti QX50 and QX55 models
Installation Notes and Tips
- Verify rotor thickness before installation; replace if below 14 mm discard thickness
- Ensure proper torque on the 5 lug bolts to manufacturer specifications
- Clean rotor surface before mounting brake pads to remove any protective coatings
- Check compatibility with your specific Infiniti QX50 or QX55 year and trim
Quality Assurance and Warranty
Dynamite Friction manufactures the 633-68019L rotor to meet OEM specifications for fit and function. The rust resistant coating and zinc black hat finish contribute to the rotor’s durability. Please consult Dynamite Friction or your parts provider for specific warranty details related to this rotor.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 633-68019L |
| Position | DFC Brake Rotor - Drilled and Slotted - Black, Rear Left |
| Discard Thickness | 14 |
| Nominal Thickness | 16 |
| Disc Finish | Plain |
| Hat Finish | Zinc black |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Outside Diameter | 308 |
| Height | 47.26 |
| Surface Type | Slotted x drilled |
| Center Hole Diameter | 68 |
| Stud/Lug Hole Quantity | 5 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 114.3 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2025 | INFINITI | QX50 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Black |
| 2025 | INFINITI | QX55 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Black |
| 2024 | INFINITI | QX50 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Black |
| 2024 | INFINITI | QX55 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Black |
| 2023 | INFINITI | QX50 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Black |
| 2023 | INFINITI | QX55 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Black |
| 2022 | INFINITI | QX50 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Black |
| 2022 | INFINITI | QX55 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Black |
| 2021 | INFINITI | QX50 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Black |
| 2020 | INFINITI | QX50 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Black |
| 2019 | INFINITI | QX50 | Rear Left | DFC Brake Rotor - Drilled and Slotted - Black |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.