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Dynamite Friction 631-54225L Disc Brake Rotor - Rear Left
Overview of the DFC Brake Rotor - Drilled and Slotted - Silver
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is engineered for reliable braking performance on Ford F-350 Super Duty trucks. Designed with a vented, directional surface, this rotor balances heat dissipation and stopping power for demanding driving conditions.
- Part Number: 631-54225L
- Compatible with Ford F-350 Super Duty models
- Vented disc brake rotor with drilled and slotted surface
- Nominal thickness of 38 mm and discard thickness of 36.4 mm
- Eight bolt holes with 13 mm diameter and 156 mm bolt circle diameter
- Zinc silver hat finish with rust-resistant coating
- Directional brake surface for optimized performance
- Overall diameter of 363 mm and height of 126 mm
Detailed Product Features and Specifications
This Dynamite Friction rotor features a vented design that improves heat dissipation during braking, reducing the risk of brake fade under heavy loads or extended use. The drilled and slotted surface enhances water and debris evacuation, maintaining consistent contact between the brake pad and rotor. The rotor’s directional surface is engineered to optimize braking efficiency and minimize noise. The zinc silver hat finish provides corrosion resistance, extending the rotor’s service life. With a nominal thickness of 38 mm and a discard thickness of 36.4 mm, this rotor meets precise wear limits for safe operation. The eight bolt holes, each 13 mm in diameter, and a bolt circle diameter of 156 mm ensure proper fitment on the Ford F-350 Super Duty.
About the DFC Brake Rotor - Drilled and Slotted - Silver Product Line
The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots to improve braking performance and rotor cooling. This product line is designed for vehicles requiring enhanced heat dissipation and debris removal, making it suitable for heavy-duty trucks like the Ford F-350 Super Duty. The silver zinc coating adds rust resistance, helping maintain rotor integrity over time.
Applications and Problem Solving
- Replacement rotor for worn or warped brake rotors on Ford F-350 Super Duty
- Improves braking performance under heavy load or towing conditions
- Reduces brake fade caused by excessive heat buildup
- Helps maintain consistent braking in wet or dirty environments
- Addresses rotor corrosion issues with rust-resistant coating
Installation Notes and Tips
Ensure the rotor thickness is measured before installation; replace if below the discard thickness of 36.4 mm. Confirm bolt hole alignment with the vehicle’s hub using the 156 mm bolt circle diameter and 13 mm bolt hole diameter. The directional surface requires correct orientation during installation to maintain braking efficiency. Clean the rotor surface of any protective coatings or debris before mounting to ensure proper pad contact.
Quality Assurance
Dynamite Friction manufactures this rotor to meet OEM specifications for the Ford F-350 Super Duty. The rust-resistant zinc silver hat finish and vented design contribute to durability and consistent performance. Warranty information is not specified for this part number 631-54225L; please consult the manufacturer or distributor for details.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-54225L |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Rear Left |
| Discard Thickness | 36.4 |
| Nominal Thickness | 38 |
| Bolt Hole Diameter | 13 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 8 |
| Overall Height | 126 |
| Outside Diameter | 363 |
| Height | 126 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 128.1 |
| Stud/Lug Hole Quantity | 8 |
| Stud/Lug Hole Diameter | 13 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 156 |
| Stud/Lug Hole Circle Diameter | 156 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2022 | Ford | F-350 Super Duty | Rear Left | DRW; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2021 | Ford | F-350 Super Duty | Rear Left | For vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2020 | Ford | F-350 Super Duty | Rear Left | For vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2019 | Ford | F-350 Super Duty | Rear Left | For vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2018 | Ford | F-350 Super Duty | Rear Left | For vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2017 | Ford | F-350 Super Duty | Rear Left | For vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2016 | Ford | F-350 Super Duty | Rear Left | For vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2015 | Ford | F-350 Super Duty | Rear Left | For vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2014 | Ford | F-350 Super Duty | Rear Left | For vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2013 | Ford | F-350 Super Duty | Rear Left | For vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2012 | Ford | F-350 Super Duty | Rear Left | Dual Rear Wheels; Vehicle Production Date From 10/22/12; DFC Brake Rotor - Drilled and Slotted - Silver | |
| 2011 | Ford | F-350 Super Duty | RWD | Rear Left | Dual Rear Wheels; Vehicle Production Date From 10/22/12; DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.