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Dynamite Friction 631-54140R Disc Brake Rotor - Front Right
Overview of the DFC Brake Rotor - Drilled and Slotted - Silver
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54140R) is engineered for reliable braking performance on Ford and Mazda trucks. Designed specifically for models like the Ford Ranger and Mazda B2300, B3000, and B4000, this rotor offers enhanced heat dissipation and consistent stopping power.
- Disc type: Vented disc brake rotor with drilled and slotted surface
- Nominal thickness: 26 mm with a discard thickness of 24.5 mm
- Overall diameter: 286 mm with a height of 57.7 mm
- Bolt pattern: 5 lug holes with 1/2-20 bolt hole diameter and 114.3 mm bolt circle diameter
- Rust resistant zinc silver hat finish and plain disc finish
- Directional brake surface for optimized performance
Detailed Product Features and Specifications
This Dynamite Friction rotor features a vented design that improves airflow to reduce heat buildup during braking, which helps maintain consistent brake performance and reduces the risk of warping. The drilled and slotted surface enhances water and debris evacuation from the rotor surface, improving wet weather braking and reducing brake fade. The rotor’s directional surface design ensures proper rotation for optimal performance and longevity.
With a nominal thickness of 26 mm and a discard thickness of 24.5 mm, this rotor meets OEM specifications for thickness and wear limits. The zinc silver coating on the hat provides corrosion resistance, extending the rotor’s service life. The 5-lug bolt pattern with a 114.3 mm bolt circle diameter and 1/2-20 bolt hole diameter matches the factory specifications for Ford Ranger and Mazda B-series trucks, ensuring proper fitment and secure installation.
About the DFC Brake Rotor - Drilled and Slotted - Silver Product Line
The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on delivering rotors with enhanced heat dissipation and surface durability. The drilled and slotted design is intended to improve braking efficiency by allowing gases and debris to escape, while the zinc silver hat finish provides rust resistance. This product line is tailored for drivers seeking rotors that maintain performance under demanding conditions without compromising fitment or reliability.
Applications and Problem Solving
- Compatible with Ford Ranger and Mazda B2300, B3000, B4000 models requiring vented disc brake rotors
- Addresses brake fade caused by excessive heat buildup during heavy braking
- Improves braking performance in wet or debris-prone environments through drilled and slotted design
- Prevents premature rotor corrosion with rust resistant zinc silver coating
- Ensures proper fitment and secure mounting with OEM bolt pattern and dimensions
Installation Notes and Tips
Ensure the rotor is installed with the directional surface rotating correctly according to the vehicle’s forward motion. Verify that the bolt hole diameter and bolt circle diameter match the vehicle’s hub specifications. It is recommended to inspect brake pads and calipers during installation to ensure even wear and optimal braking performance. Always torque lug nuts to manufacturer specifications to avoid rotor warping.
Quality Assurance and Warranty
Dynamite Friction manufactures this rotor to meet or exceed OEM standards for thickness, durability, and corrosion resistance. The rust resistant zinc silver coating helps extend rotor life in various driving conditions. While specific warranty details are not provided, Dynamite Friction products typically adhere to industry quality controls to ensure reliable performance on Ford Ranger and Mazda B-series trucks.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-54140R |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Front Right |
| Discard Thickness | 24.5 |
| Nominal Thickness | 26 |
| Bolt Hole Diameter | 1/2-20 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Overall Height | 57.7 |
| Outside Diameter | 286 |
| Height | 57.7 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 5 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 114.3 |
| Stud/Lug Hole Circle Diameter | 114.3 |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1997 | Ford | Ranger | 4WD | Front Right | Rear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1997 | Ford | Ranger | 4WD | Front Right | 9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1997 | Mazda | B3000 | 4WD | Front Right | Rear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1997 | Mazda | B3000 | 4WD | Front Right | 9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1997 | Mazda | B4000 | 4WD | Front Right | 9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1997 | Mazda | B4000 | 4WD | Front Right | Rear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1996 | Ford | Ranger | 4WD | Front Right | Rear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1996 | Ford | Ranger | 4WD | Front Right | 9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1996 | Mazda | B2300 | 4WD | Front Right | 9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1996 | Mazda | B2300 | 4WD | Front Right | Rear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1996 | Mazda | B3000 | 4WD | Front Right | Rear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1996 | Mazda | B3000 | 4WD | Front Right | 9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1996 | Mazda | B4000 | 4WD | Front Right | 9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1996 | Mazda | B4000 | 4WD | Front Right | Rear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1995 | Ford | Ranger | 4WD | Front Right | Rear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1995 | Ford | Ranger | 4WD | Front Right | 9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1995 | Mazda | B2300 | 4WD | Front Right | 9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1995 | Mazda | B2300 | 4WD | Front Right | Rear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1995 | Mazda | B3000 | 4WD | Front Right | Rear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1995 | Mazda | B3000 | 4WD | Front Right | 9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1995 | Mazda | B4000 | 4WD | Front Right | 9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver |
| 1995 | Mazda | B4000 | 4WD | Front Right | Rear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.