HomeBrake > Drums and RotorsDynamite Friction 631-40055R Disc Brake Rotor - Front Right
Part #: 631-40055R

Dynamite Friction 631-40055R Disc Brake Rotor - Front Right

DFC Brake Rotor - Drilled and Slotted - Silver, Front Right
43 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: Dodge and Plymouth, B300, B350, D300, D350, and PB350
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-40055R) is engineered for reliable braking performance on Dodge and Plymouth trucks. Designed specifically for models like the Dodge B300, B350, D300, D350, and Plymouth PB350, this rotor offers enhanced heat dissipation and consistent stopping power.

  • Disc type: Vented disc brake rotor with drilled and slotted surface
  • Nominal thickness: 30.35 mm with discard thickness at 28.58 mm
  • Overall diameter: 326 mm with an overall height of 75.3 mm
  • Directional brake surface for optimized performance
  • Rust-resistant zinc silver hat finish and plain disc finish
  • Eight bolt holes with 15.2 mm diameter and 165.1 mm bolt circle diameter
  • Center hole diameter: 123 mm for precise fitment

Detailed Product Description

This Dynamite Friction rotor features a vented design that improves heat dissipation during braking, reducing the risk of brake fade under heavy use. The drilled and slotted surface enhances water and debris evacuation, maintaining consistent friction and braking efficiency. The rotor’s directional surface is engineered to optimize pad contact and improve braking response. The zinc silver coating on the hat provides corrosion resistance, extending the rotor’s service life. With a nominal thickness of 30.35 mm and a discard thickness of 28.58 mm, this rotor meets strict durability standards for safe operation.

The 8-bolt hole pattern with a 165.1 mm bolt circle diameter and 15.2 mm bolt hole diameter ensures compatibility with the specified Dodge and Plymouth truck models. The 326 mm outside diameter and 75.3 mm height are designed to match factory specifications for these vehicles, ensuring proper fit and function.

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 drivers who require rotors that handle demanding conditions while maintaining corrosion resistance and structural integrity. The silver zinc coating on the hat and the plain disc finish balance durability with functional design.

Applications and Problem Solving

  • Compatible with Dodge B300, B350, D300, D350, and Plymouth PB350 trucks
  • Addresses brake fade caused by overheating during heavy braking
  • Reduces water and debris buildup on the rotor surface for consistent braking
  • Prevents premature rotor corrosion with rust-resistant coating
  • Ensures proper fitment and alignment with factory bolt pattern and dimensions

Installation Notes and Tips

  • Verify rotor thickness before installation; replace if below discard thickness of 28.58 mm
  • Ensure proper torque on all eight lug bolts to manufacturer specifications
  • Check compatibility with existing brake pads and calipers on Dodge and Plymouth models
  • Inspect hub surface for cleanliness and flatness before mounting the rotor

Quality Assurance

Dynamite Friction manufactures the 631-40055R rotor to meet or exceed OEM specifications for fit, form, and function. The rust-resistant zinc silver coating and vented rotor design contribute to long-term durability. While no specific warranty information is provided, this rotor is built to maintain consistent braking performance under normal operating conditions for Dodge and Plymouth trucks.

BrandDynamite Friction
Part Number631-40055R
PositionDFC Brake Rotor - Drilled and Slotted - Silver, Front Right
Discard Thickness28.58
Nominal Thickness30.35
Bolt Hole Diameter15.2
Disc FinishPlain
Hat FinishZinc silver
Rust Resistant CoatingYes
Bolt Hole Quantity8
Overall Height75.3
Outside Diameter326
Height75.3
Surface TypeSlotted x drilled
Solid Or Vented Type RotorVented
Center Hole Diameter123
Stud/Lug Hole Quantity8
Stud/Lug Hole Diameter15.2
Directional or Non-Directional Brake SurfaceDirectional
Bolt Circle Diameter165.1
Stud/Lug Hole Circle Diameter165.1

This part fits 43 vehicles. Search below:

YearMakeModelPositionNotes
1993DodgeD350Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1992DodgeD350Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1991DodgeD350Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1990DodgeD350Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1989DodgeD350Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1988DodgeD350Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1987DodgeD350Front Right3 inch Rear Shoes; 4'000 lb Axle; DFC Brake Rotor - Drilled and Slotted - Silver
1986DodgeD350Front Right3 inch Rear Shoes; 4'000 lb Axle; DFC Brake Rotor - Drilled and Slotted - Silver
1985DodgeD350Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1984DodgeD350Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1983DodgeD350Front Right2-1/2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1983DodgeD350Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1982DodgeD350Front Right2-1/2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1982DodgeD350Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1981DodgeB350Front Right3 inch Rear Shoes; Dual Rear Wheels; 9'000 lb Gross Vehicle Weight (GVW); DFC Brake Rotor - Drilled and Slotted - Silver
1981DodgeB350Front Right2-1/2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1981DodgeB350Front Right3 inch Rear Shoes; Dual Rear Wheels; excluding 9'000 lb Gross Vehicle Weight (GVW); DFC Brake Rotor - Drilled and Slotted - Silver
1981DodgeD350Front RightFor vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver
1981PlymouthPB350Front Right2-1/2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1981PlymouthPB350Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1980DodgeB300Front Right2-1/2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1980DodgeB300Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1980DodgeD300Front RightFor vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver
1979DodgeB300Front Right2-1/2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1979DodgeB300Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1979DodgeD300Front Right2-1/2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1979DodgeD300Front Right2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1979DodgeD300Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1978DodgeB300Front Right3 inch Rear Shoes; 4'000 lb Axle; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1978DodgeB300Front Right3 inch Rear Shoes; Under 9'000 lb Gross Vehicle Weight (GVW); DFC Brake Rotor - Drilled and Slotted - Silver
1978DodgeB300Front Right2-1/2 inch Rear Shoes; 4'000 lb Axle; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1978DodgeD300Front Right2-1/2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1978DodgeD300Front Right2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1978DodgeD300Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1977DodgeB300Front Right2-1/2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1977DodgeB300Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1977DodgeD300Front RightFor vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver
1976DodgeB300Front Right2-1/2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1976DodgeB300Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1976DodgeD300Front RightFor vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver
1975DodgeB300Front Right2-1/2 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1975DodgeB300Front Right3 inch Rear Shoes; Dual Rear Wheels; DFC Brake Rotor - Drilled and Slotted - Silver
1975DodgeD300Front RightFor vehicles with dual rear wheels.; DFC Brake Rotor - Drilled and Slotted - Silver

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.