OE Quality
60-Day Returns

Dynamite Friction 631-46022R Disc Brake Rotor - Front Right
Overview of DFC Brake Rotor - Drilled and Slotted - Silver
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-46022R) is engineered for reliable braking performance on select Buick, Cadillac, and Chevrolet models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for vehicles like the Buick LaCrosse and Chevrolet Impala.
- Nominal thickness: 30 mm with a discard thickness of 28.6 mm
- Vented disc type with drilled and slotted surface for improved cooling
- Directional brake surface to optimize water and debris evacuation
- Zinc silver hat finish with rust-resistant coating for durability
- Fits vehicles with 5 lug holes and 115 mm bolt circle diameter
- Outside diameter of 323 mm and overall height of 52.3 mm
Detailed Product Features and Specifications
This DFC Brake Rotor - Drilled and Slotted - Silver is constructed with a vented design that promotes efficient heat dissipation during braking, reducing the risk of brake fade. The rotor features a drilled and slotted surface pattern that helps channel away water, dust, and gases, maintaining consistent pad contact and braking performance. The directional surface design ensures optimal performance by directing debris away from the rotor surface.
The rotor’s nominal thickness is 30 mm, with a discard thickness of 28.6 mm, indicating when replacement is necessary to maintain safety and performance. The zinc silver hat finish combined with a rust-resistant coating protects against corrosion, extending the rotor’s service life. With a bolt hole diameter and stud/lug hole diameter of 14.3 mm and a bolt circle diameter of 115 mm, this rotor is compatible with specific Buick, Cadillac, and Chevrolet models.
Compatible Vehicles and Applications
- Buick LaCrosse and Lucerne
- Cadillac DTS
- Chevrolet Impala and Impala Limited
- Chevrolet Allure
This rotor is designed for drivers seeking a reliable replacement part that matches OEM specifications for these vehicles, ensuring proper fit and function.
Common Issues Addressed by This Brake Rotor
- Brake fade caused by overheating during extended braking
- Uneven brake pad wear due to poor heat dissipation
- Corrosion and rust buildup on rotor surfaces
- Reduced braking efficiency in wet or debris-filled conditions
- Vibration or noise from warped or damaged rotors
Installation Notes and Tips
Ensure the rotor thickness is above the discard thickness of 28.6 mm before installation. Clean the hub surface and mounting points to prevent uneven rotor seating. Use proper torque specifications for the 5 lug bolts with a 115 mm bolt circle diameter. Verify the directional surface is installed correctly to maintain optimal braking performance. It is recommended to inspect brake pads and hardware during rotor replacement for best results.
Quality Assurance and Warranty
Dynamite Friction’s DFC Brake Rotor line is manufactured to meet or exceed OEM standards for fit, form, and function. The rust-resistant coating and zinc silver hat finish contribute to long-term durability. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure consistent performance and reliability.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-46022R |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Front Right |
| Discard Thickness | 28.6 |
| Nominal Thickness | 30 |
| Bolt Hole Diameter | 14.3 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Overall Height | 52.3 |
| Outside Diameter | 323 |
| Height | 52.3 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 70.7 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 14.3 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 115 |
| Stud/Lug Hole Circle Diameter | 115 |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Chevrolet | Impala Limited | Front Right | Police & Taxi; Heavy Duty; DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2015 | Chevrolet | Impala Limited | Front Right | Police & Taxi; Heavy Duty; DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2014 | Chevrolet | Impala Limited | Front Right | Police & Taxi; Heavy Duty; DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2013 | Chevrolet | Impala | Front Right | Police Taxi & Heavy Duty; DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2012 | Chevrolet | Impala | Front Right | Police Taxi & Heavy Duty; DFC Brake Rotor - Drilled and Slotted - Silver | |||
| 2011 | Buick | Lucerne | 4.6L | V8 | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2011 | Cadillac | DTS | Sedan | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2010 | Buick | Lucerne | 4.6L | V8 | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2010 | Cadillac | DTS | Sedan | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2009 | Buick | Allure | 5.3L | V8 | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2009 | Buick | LaCrosse | 5.3L | V8 | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2009 | Buick | Lucerne | 4.6L | V8 | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2009 | Cadillac | DTS | Sedan | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2008 | Buick | Allure | 5.3L | V8 | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2008 | Buick | LaCrosse | 5.3L | V8 | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2008 | Buick | Lucerne | 4.6L | V8 | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2008 | Cadillac | DTS | Sedan | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2007 | Buick | Lucerne | 4.6L | V8 | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2007 | Cadillac | DTS | Sedan | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | ||
| 2006 | Buick | Lucerne | 4.6L | V8 | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2006 | Cadillac | DTS | Sedan | Front Right | DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.