Dynamic Friction
DFC Geoperformance Rotor - Drilled and Slotted

Dynamic Friction 830-54278L Disc Brake Rotor - Rear Left

Brand Dynamic Friction 830-54278L
Position Rear Left
Discard Thickness 24.5
Nominal Thickness 26
Bolt Hole Diameter 15.7
Disc Finish Plain
Hat Finish Geospec silver grey
Rust Resistant Coating Yes
Bolt Hole Quantity 5
Outside Diameter 350
Height 39.65
Surface Type Slotted x drilled
Center Hole Diameter 71.04
Stud/Lug Hole Quantity 5
Directional or Non-Directional Brake Surface Directional
Bolt Circle Diameter 114.3
Product line DFC Geoperformance Rotor - Drilled and Slotted
Fits Ford and Lincoln · 23 vehicles

Directional surface. Slotted and drilled braking face supports consistent pad contact.

Corrosion protection. Rust-resistant coating helps preserve the rotor finish over time.

Application-specific fit. Built for listed rear-left brake service applications.

$137.31Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Disc Brake Rotors are typically replaced in pairs, axle by axle.
Order total $137.31
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

DFC Geoperformance Rear Left Rotor

This Dynamic Friction disc brake rotor is built for specific rear-left applications and uses a slotted, drilled surface for consistent brake contact. The DFC Geoperformance Rotor - Drilled and Slotted line pairs a directional braking surface with a corrosion-resistant finish for service-focused performance.

Key Features

  • Slotted X drilled surface for controlled pad contact and heat management.
  • Directional brake surface for application-specific rotation.
  • Rust-resistant coating for added protection against corrosion.
  • Geospec silver gray hat finish for a clean, durable appearance.
  • Plain disc finish with 350 mm outside diameter and 39.65 mm height.
  • 5-lug pattern with 114.3 mm bolt circle diameter and 71.04 mm center hole diameter.

Detailed Description

Part number 830-54278L is a rear-left disc brake rotor from Dynamic Friction’s DFC Geoperformance Rotor - Drilled and Slotted line. It is engineered with a directional, slotted-and-drilled braking surface and a rust-resistant coating to support stable braking performance and long-term surface protection. The rotor’s 350 mm outside diameter, 26 mm nominal thickness, and 24.5 mm discard thickness make it a direct-spec replacement for listed applications. This rotor is listed for Ford Explorer, Ford Police Interceptor Utility, Lincoln Aviator, and Ford Mustang rear-left fitments, including performance brake package applications.

What It Is Used For

  • Brake pulsation caused by uneven rotor wear.
  • Reduced braking consistency from worn rear brake rotors.
  • Surface corrosion on exposed brake components.
  • Fitment-specific replacement needs for rear-left brake service.
  • Performance brake package rotor replacement on listed vehicles.

Installation Notes and Tips

Verify rotor dimensions, bolt pattern, and rear-left fitment before installation. Confirm the application notes for brake package and disc size details on Ford Explorer, Ford Police Interceptor Utility, Lincoln Aviator, and Ford Mustang models. Clean the hub mounting surface and inspect pads and caliper condition during rotor replacement.

Quality Assurance

Dynamic Friction’s DFC Geoperformance Rotor - Drilled and Slotted line is built with corrosion protection and application-specific rotor geometry for consistent service fitment. Part number 830-54278L should be matched to the listed vehicle, year, and brake package details before installation.

This part fits 23 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2026FordExplorerSTRear LeftDFC Geoperformance Rotor - Drilled and Slotted
2026FordPolice Interceptor Utility—Rear LeftDFC Geoperformance Rotor - Drilled and Slotted
2026LincolnAviator—Rear Left363mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted
2025FordExplorerSTRear LeftDFC Geoperformance Rotor - Drilled and Slotted
2025FordMustangGTRear Left352mm Front, 350mm Rear Disc; DFC Geoperformance Rotor - Drilled and Slotted
2025FordPolice Interceptor Utility—Rear LeftDFC Geoperformance Rotor - Drilled and Slotted
2025LincolnAviator—Rear Left363mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted
2024FordExplorerSTRear LeftStreet Pack Performance Brakes, 363mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted
2024FordMustangGTRear Left352mm Front, 350mm Rear Disc; DFC Geoperformance Rotor - Drilled and Slotted
2024FordPolice Interceptor Utility—Rear LeftDFC Geoperformance Rotor - Drilled and Slotted
2024LincolnAviator—Rear Left363mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted
2023FordExplorerSTRear LeftStreet Pack Performance Brakes, 363mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted
2023FordPolice Interceptor Utility—Rear LeftDFC Geoperformance Rotor - Drilled and Slotted
2023LincolnAviator—Rear Left363mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted
2022FordExplorerSTRear LeftStreet Pack Performance Brakes, 363mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted
2022FordPolice Interceptor Utility—Rear LeftDFC Geoperformance Rotor - Drilled and Slotted
2022LincolnAviator—Rear Left363mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted
2021FordExplorerSTRear LeftStreet Pack Performance Brakes, 363mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted
2021FordPolice Interceptor Utility—Rear LeftDFC Geoperformance Rotor - Drilled and Slotted
2021LincolnAviator—Rear Left363mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted
2020FordExplorerSTRear LeftStreet Pack Performance Brakes; DFC Geoperformance Rotor - Drilled and Slotted
2020FordPolice Interceptor Utility—Rear LeftDFC Geoperformance Rotor - Drilled and Slotted
2020LincolnAviator—Rear Left363mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted