HomeBrake > Drums and RotorsDynamite Friction 631-54140R Disc Brake Rotor - Front Right
Part #: 631-54140R

Dynamite Friction 631-54140R Disc Brake Rotor - Front Right

DFC Brake Rotor - Drilled and Slotted - Silver, Front Right
22 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
DFC Brake Rotor - Drilled and Slotted - Silver, Front Right
Fitment: Ford and Mazda, B2300, B3000, B4000, and Ranger
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandDynamite Friction
Part Number631-54140R
PositionDFC Brake Rotor - Drilled and Slotted - Silver, Front Right
Discard Thickness24.5
Nominal Thickness26
Bolt Hole Diameter1/2-20
Disc FinishPlain
Hat FinishZinc silver
Rust Resistant CoatingYes
Bolt Hole Quantity5
Overall Height57.7
Outside Diameter286
Height57.7
Surface TypeSlotted x drilled
Solid Or Vented Type RotorVented
Stud/Lug Hole Quantity5
Directional or Non-Directional Brake SurfaceDirectional
Bolt Circle Diameter114.3
Stud/Lug Hole Circle Diameter114.3

This part fits 22 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1997FordRanger4WDFront RightRear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver
1997FordRanger4WDFront Right9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver
1997MazdaB30004WDFront RightRear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver
1997MazdaB30004WDFront Right9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver
1997MazdaB40004WDFront Right9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver
1997MazdaB40004WDFront RightRear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver
1996FordRanger4WDFront RightRear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver
1996FordRanger4WDFront Right9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver
1996MazdaB23004WDFront Right9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver
1996MazdaB23004WDFront RightRear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver
1996MazdaB30004WDFront RightRear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver
1996MazdaB30004WDFront Right9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver
1996MazdaB40004WDFront Right9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver
1996MazdaB40004WDFront RightRear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver
1995FordRanger4WDFront RightRear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver
1995FordRanger4WDFront Right9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver
1995MazdaB23004WDFront Right9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver
1995MazdaB23004WDFront RightRear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver
1995MazdaB30004WDFront RightRear brake drum with 10 inch diameter; DFC Brake Rotor - Drilled and Slotted - Silver
1995MazdaB30004WDFront Right9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver
1995MazdaB40004WDFront Right9 inch Rear Drums; DFC Brake Rotor - Drilled and Slotted - Silver
1995MazdaB40004WDFront RightRear 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.