OE Quality
60-Day Returns

Dynamite Friction 604-42030 Disc Brake Rotor - Front
Overview of Dynamite Friction DFC GEOSPEC Coated Rotor 604-42030
The Dynamite Friction DFC GEOSPEC Coated Rotor 604-42030 is engineered for Jeep Wrangler and Wrangler JK models. This vented disc brake rotor offers reliable performance with precise dimensions tailored to these vehicles.
- Nominal thickness: 28 mm
- Discard thickness: 26.4 mm
- Outside diameter: 302 mm
- Inside diameter: 72.1 mm
- Bolt hole diameter: 16.6 mm
- Bolt hole quantity: 5
- Height: 55 mm
- Vented rotor design for improved heat dissipation
Detailed Product Description
This disc brake rotor, part number 604-42030, is specifically designed for Jeep Wrangler and Wrangler JK vehicles. The rotor features a vented design that helps reduce heat buildup during braking, which can improve braking consistency and rotor longevity. With an outside diameter of 302 mm and a height of 55 mm, it fits precisely within the brake assembly of these Jeep models. The nominal thickness of 28 mm ensures structural integrity, while the discard thickness of 26.4 mm indicates the minimum safe thickness before replacement is necessary. The rotor includes five bolt holes with a diameter of 16.6 mm, matching the factory specifications for secure mounting.
DFC GEOSPEC Coated Rotor Product Line
The DFC GEOSPEC Coated Rotor line by Dynamite Friction is designed to provide enhanced corrosion resistance and durability through a specialized coating process. This coating helps protect the rotor surface from rust and environmental wear, which is particularly beneficial for off-road vehicles like the Jeep Wrangler and Wrangler JK. The GEOSPEC coating maintains rotor performance while extending service life under demanding conditions.
Common Applications and Issues Addressed
- Replacement for worn or warped rotors on Jeep Wrangler and Wrangler JK
- Improves braking performance by reducing heat-related fade
- Prevents rust and corrosion on brake rotors
- Restores proper rotor thickness for safe braking
- Addresses vibration or noise caused by damaged rotors
Installation Notes and Tips
- Ensure rotor thickness is above discard thickness (26.4 mm) before installation
- Clean mounting surface to prevent uneven rotor seating
- Torque bolts to manufacturer specifications for secure fitment
- Inspect brake pads and replace if worn to optimize rotor performance
- Check for proper alignment with caliper and wheel hub
Quality Assurance and Warranty
Dynamite Friction manufactures the 604-42030 rotor to meet OEM standards for fit and function on Jeep Wrangler and Wrangler JK models. The DFC GEOSPEC Coated Rotor undergoes quality control processes to ensure dimensional accuracy and coating integrity. Warranty details should be confirmed with the distributor or manufacturer, as coverage may vary.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 604-42030 |
| Position | DFC GEOSPEC Coated Rotor, Front |
| Bolt Hole Diameter | 16.6 |
| Bolt Hole Quantity | 5 |
| Discard Thickness | 26.4 |
| Height | 55 |
| Inside Diameter | 72.1 |
| Nominal Thickness | 28 |
| Outside Diameter | 302 |
| Solid Or Vented Type Rotor | Vented |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Jeep | Wrangler | Front | JK Chassis with Standard Brakes (302mm Front Rotors); DFC GEOSPEC Coated Rotor |
| 2018 | Jeep | Wrangler JK | Front | JK Chassis with Standard Brakes (302mm Front Rotors); DFC GEOSPEC Coated Rotor |
| 2017 | Jeep | Wrangler | Front | Standard Brakes (302mm Front Disc); DFC GEOSPEC Coated Rotor |
| 2016 | Jeep | Wrangler | Front | Standard Brakes (302mm Front Disc); DFC GEOSPEC Coated Rotor |
| 2015 | Jeep | Wrangler | Front | Standard Brakes (302mm Front Disc); DFC GEOSPEC Coated Rotor |
| 2014 | Jeep | Wrangler | Front | Standard Brakes (302mm Front Disc); DFC GEOSPEC Coated Rotor |
| 2013 | Jeep | Wrangler | Front | Standard Brakes (302mm Front Disc); DFC GEOSPEC Coated Rotor |
| 2012 | Jeep | Wrangler | Front | Standard Brakes (302mm Front Disc); DFC GEOSPEC Coated Rotor |
| 2011 | Jeep | Wrangler | Front | DFC GEOSPEC Coated Rotor |
| 2010 | Jeep | Wrangler | Front | DFC GEOSPEC Coated Rotor |
| 2009 | Jeep | Wrangler | Front | DFC GEOSPEC Coated Rotor |
| 2008 | Jeep | Wrangler | Front | DFC GEOSPEC Coated Rotor |
| 2007 | Jeep | Wrangler | Front | DFC GEOSPEC Coated Rotor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.