HomeBrake > Drums and RotorsDynamite Friction 830-42038L Disc Brake Rotor - Front Left
Part #: 830-42038L

Dynamite Friction 830-42038L Disc Brake Rotor - Front Left

DFC Geoperformance Rotor - Drilled and Slotted, Front Left
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OE Direct Replacement — Bolt-on fit, no modifications needed
DFC Geoperformance Rotor - Drilled and Slotted, Front Left
Fitment: Jeep, Wrangler
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Overview of Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-42038L) is engineered for Jeep Wrangler models requiring reliable braking performance. This vented disc brake rotor features a directional, slotted, and drilled surface designed to enhance heat dissipation and maintain consistent stopping power under demanding conditions.

  • Compatible with Jeep Wrangler vehicles
  • Directional slotted and drilled surface for improved brake cooling
  • Vented rotor design with 330 mm outside diameter
  • Rust resistant coating for extended durability
  • Geospec silver grey hat finish for corrosion protection
  • Nominal thickness of 28 mm with discard thickness at 26.4 mm
  • Five bolt holes with 17 mm diameter and 127 mm bolt circle diameter
  • Center hole diameter of 72 mm and rotor height of 56 mm

Detailed Product Description

The DFC Geoperformance Rotor - Drilled and Slotted by Dynamite Friction is specifically designed to meet the braking demands of Jeep Wrangler drivers. Its vented rotor construction allows for efficient heat dissipation, reducing the risk of brake fade during extended use. The directional surface pattern combines drilled holes and slots to help evacuate gases, dust, and water, improving brake pad contact and overall performance.

The rotor’s nominal thickness is 28 mm, with a discard thickness of 26.4 mm, ensuring a long service life before replacement is necessary. The rotor features a plain disc finish and a Geospec silver grey hat finish that provides rust resistance, helping maintain structural integrity and appearance over time. With five bolt holes sized at 17 mm diameter and a bolt circle diameter of 127 mm, this rotor fits securely on Jeep Wrangler hubs with a center hole diameter of 72 mm.

DFC Geoperformance Rotor - Drilled and Slotted Product Line

The DFC Geoperformance Rotor - Drilled and Slotted line from Dynamite Friction focuses on delivering rotors with enhanced surface designs that improve braking efficiency and heat management. This product line incorporates directional drilled and slotted patterns combined with vented rotor construction to optimize performance for off-road and on-road applications, making it suitable for vehicles like the Jeep Wrangler that may encounter varied driving conditions.

Applications and Problem Solving

  • Reduces brake fade during heavy braking or extended downhill driving
  • Improves water and debris evacuation for consistent braking in wet conditions
  • Minimizes rotor warping through enhanced heat dissipation
  • Prevents rust and corrosion to extend rotor lifespan
  • Maintains optimal brake pad contact for reliable stopping power

Installation Notes and Tips

Ensure the rotor surface and hub mounting area are clean and free of debris before installation. Verify that the rotor thickness meets the minimum discard thickness of 26.4 mm to maintain safety and performance. Use the correct torque specifications for the five 17 mm bolt holes to secure the rotor properly. This rotor is directional; install it following the indicated rotation direction to maximize performance benefits.

Quality Assurance

Dynamite Friction manufactures the 830-42038L rotor to meet industry standards for durability and performance. The rust resistant coating and Geospec silver grey hat finish contribute to corrosion protection. While specific warranty details are not provided, the rotor is designed to maintain structural integrity and consistent braking performance throughout its service life.

BrandDynamite Friction
Part Number830-42038L
PositionDFC Geoperformance Rotor - Drilled and Slotted, Front Left
Discard Thickness26.4
Nominal Thickness28
Bolt Hole Diameter17
Disc FinishPlain
Hat FinishGeospec silver grey
Rust Resistant CoatingYes
Bolt Hole Quantity5
Outside Diameter330
Height56
Surface TypeSlotted x drilled
Solid Or Vented Type RotorVented
Center Hole Diameter72
Stud/Lug Hole Quantity5
Directional or Non-Directional Brake SurfaceDirectional
Bolt Circle Diameter127

This part fits 8 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2025JeepWranglerUnlimited RubiconFront LeftStandard Front Brake Pads; DFC Geoperformance Rotor - Drilled and Slotted
2024JeepWranglerUnlimited RubiconFront LeftStandard Front Brake Pads; DFC Geoperformance Rotor - Drilled and Slotted
2023JeepWranglerWillys3.0LV6Front LeftStandard Front Brake Pads; DFC Geoperformance Rotor - Drilled and Slotted
2022JeepWrangler3.0LV6Front LeftStandard Front Brake Pads; DFC Geoperformance Rotor - Drilled and Slotted
2021JeepWrangler3.0LV6Front LeftStandard Front Brake Pads; DFC Geoperformance Rotor - Drilled and Slotted
2020JeepWrangler3.6LV6GASFront LeftPerformance Front Brake Pads; DFC Geoperformance Rotor - Drilled and Slotted
2019JeepWranglerUnlimited MoabFront LeftStandard Front Brake Pads; DFC Geoperformance Rotor - Drilled and Slotted
2018JeepWranglerUnlimited SaharaFront LeftPerformance Front Brake Pads; DFC Geoperformance Rotor - Drilled and Slotted

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