HomeBrake > Drums and RotorsDynamite Friction 631-52002L Disc Brake Rotor - Front Left
Part #: 631-52002L

Dynamite Friction 631-52002L Disc Brake Rotor - Front Left

DFC Brake Rotor - Drilled and Slotted - Silver, Front Left
4 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 Left
Fitment: Pontiac, Fiero
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Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is engineered for Pontiac Fiero models requiring reliable braking performance. This disc brake rotor, part number 631-52002L, features a solid design with directional drilled and slotted surfaces to enhance heat dissipation and braking consistency.

  • Compatible with Pontiac Fiero vehicles
  • Part Number: 631-52002L
  • Solid disc brake rotor with drilled and slotted surface
  • Nominal thickness: 11.05 mm; discard thickness: 9.5 mm
  • Outside diameter: 246 mm; overall height: 86.5 mm
  • 5 bolt holes with 12x1.5 mm diameter and 100 mm bolt circle diameter
  • Zinc silver hat finish with rust-resistant coating
  • Directional brake surface for optimized performance

Detailed Product Description

This Dynamite Friction rotor is designed specifically for the Pontiac Fiero, ensuring precise fitment and reliable braking. The rotor is solid rather than vented, providing a durable and consistent braking surface. Its drilled and slotted design improves heat dissipation and helps reduce brake fade during demanding driving conditions. The rotor’s nominal thickness of 11.05 mm and discard thickness of 9.5 mm provide clear service limits for maintenance. The zinc silver hat finish and rust-resistant coating protect against corrosion, extending the rotor’s service life. With a 5-bolt pattern and 100 mm bolt circle diameter, this rotor matches the factory specifications for the Pontiac Fiero.

About the DFC Brake Rotor - Drilled and Slotted - Silver Line

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction offers rotors with enhanced surface treatments and directional designs. This product line focuses on combining drilled holes and slots to improve braking performance by facilitating gas and dust evacuation while maintaining rotor integrity. The silver zinc finish on the hat area provides additional corrosion resistance, making these rotors suitable for vehicles like the Pontiac Fiero that require dependable stopping power under various conditions.

Common Applications and Problem Solving

  • Replacement for worn or warped rotors on Pontiac Fiero models
  • Improves braking response and reduces brake fade during heavy use
  • Helps prevent rust and corrosion on rotor surfaces
  • Addresses uneven brake pad wear caused by heat buildup
  • Restores proper braking performance for vehicles with noisy or pulsating brakes

Installation Notes and Tips

Ensure the rotor surface is clean and free of oil or debris before installation. Verify the bolt hole pattern and dimensions match the vehicle specifications. Use proper torque settings on lug nuts to avoid rotor warping. It is recommended to replace brake pads when installing new rotors to maintain optimal braking performance. Check rotor thickness regularly to ensure it remains above the discard thickness of 9.5 mm.

Quality Assurance

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for the Pontiac Fiero. The rust-resistant coating and zinc silver hat finish contribute to long-term durability. While no specific warranty information is provided, the product is designed for consistent performance and reliability in automotive braking systems.

BrandDynamite Friction
Part Number631-52002L
PositionDFC Brake Rotor - Drilled and Slotted - Silver, Front Left
Discard Thickness9.5
Nominal Thickness11.05
Bolt Hole Diameter12x1.5
Disc FinishPlain
Hat FinishZinc silver
Rust Resistant CoatingYes
Bolt Hole Quantity5
Overall Height86.5
Outside Diameter246
Height86.5
Surface TypeSlotted x drilled
Solid Or Vented Type RotorSolid
Center Hole Diameter56.9
Stud/Lug Hole Quantity5
Directional or Non-Directional Brake SurfaceDirectional
Bolt Circle Diameter100
Stud/Lug Hole Circle Diameter100

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
1987PontiacFieroFront LeftDFC Brake Rotor - Drilled and Slotted - Silver
1986PontiacFieroFront LeftDFC Brake Rotor - Drilled and Slotted - Silver
1985PontiacFieroFront LeftDFC Brake Rotor - Drilled and Slotted - Silver
1984PontiacFieroFront LeftDFC Brake Rotor - Drilled and Slotted - Silver

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