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Dynamite Friction 830-42029L Disc Brake Rotor - Rear Left
Overview of Dynamite Friction DFC Geoperformance Rotor
The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-42029L) is engineered for Jeep Wrangler and Wrangler JK models. Designed to enhance braking performance, this disc brake rotor features a directional, slotted and drilled surface for improved heat dissipation and consistent stopping power.
- Compatible with Jeep Wrangler and Wrangler JK
- Part Number: 830-42029L
- Directional slotted and drilled surface type
- Solid rotor design with plain disc finish
- Rust resistant coating for extended durability
- Geospec silver grey hat finish
- 5 bolt holes with 16.6 mm diameter and 127 mm bolt circle diameter
- Nominal thickness of 12 mm and discard thickness of 10.4 mm
- Outside diameter of 316 mm and overall height of 76.5 mm
Detailed Product Description
This Dynamite Friction rotor is part of the DFC Geoperformance Rotor - Drilled and Slotted line, which focuses on delivering reliable braking performance with enhanced heat management. The rotor’s directional surface combines drilled holes and slots to help evacuate gases, dust, and water, reducing brake fade during demanding driving conditions. The solid rotor design provides structural integrity while the rust resistant coating protects against corrosion, extending the rotor’s service life. The Geospec silver grey finish on the hat adds a durable and corrosion-resistant layer, maintaining appearance and function over time.
With a nominal thickness of 12 mm and a discard thickness of 10.4 mm, this rotor ensures a balance between longevity and performance. The 5-bolt hole pattern with a 127 mm bolt circle diameter and 16.6 mm bolt hole diameter matches the specifications required for Jeep Wrangler and Wrangler JK models, ensuring proper fitment and secure installation.
Applications and Problem Solving
- Improves braking performance for Jeep Wrangler and Wrangler JK vehicles
- Reduces brake fade caused by heat buildup during off-road or heavy-duty use
- Minimizes rust and corrosion on braking surfaces for longer rotor life
- Helps maintain consistent brake pad contact with slotted and drilled design
- Addresses vibration and noise issues associated with worn or damaged rotors
Installation Notes and Tips
Ensure the rotor is compatible with your Jeep Wrangler or Wrangler JK by verifying the part number 830-42029L and bolt pattern specifications. Clean the hub surface before installation to prevent uneven rotor mounting. Torque lug nuts to manufacturer specifications and inspect brake pads for wear during rotor replacement. Directional rotors must be installed with the correct rotation direction for optimal performance.
Quality Assurance
Dynamite Friction rotors undergo rigorous quality control to meet industry standards for durability and performance. The rust resistant coating and Geospec silver grey hat finish contribute to corrosion resistance. Warranty information is available through the manufacturer and should be consulted for specific coverage details.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 830-42029L |
| Position | DFC Geoperformance Rotor - Drilled and Slotted, Rear Left |
| Discard Thickness | 10.4 |
| Nominal Thickness | 12 |
| Bolt Hole Diameter | 16.6 |
| Disc Finish | Plain |
| Hat Finish | Geospec silver grey |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Overall Height | 76.5 |
| Outside Diameter | 316 |
| Height | 76.5 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Solid |
| Center Hole Diameter | 72.1 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 16.6 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 127 |
| Stud/Lug Hole Circle Diameter | 127 |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Jeep | Wrangler | Rear Left | 302mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted |
| 2018 | Jeep | Wrangler JK | Rear Left | 332mm Front Disc; DFC Geoperformance Rotor - Drilled and Slotted |
| 2017 | Jeep | Wrangler | Rear Left | DFC Geoperformance Rotor - Drilled and Slotted |
| 2016 | Jeep | Wrangler | Rear Left | DFC Geoperformance Rotor - Drilled and Slotted |
| 2015 | Jeep | Wrangler | Rear Left | DFC Geoperformance Rotor - Drilled and Slotted |
| 2014 | Jeep | Wrangler | Rear Left | DFC Geoperformance Rotor - Drilled and Slotted |
| 2013 | Jeep | Wrangler | Rear Left | DFC Geoperformance Rotor - Drilled and Slotted |
| 2012 | Jeep | Wrangler | Rear Left | DFC Geoperformance Rotor - Drilled and Slotted |
| 2011 | Jeep | Wrangler | Rear Left | DFC Geoperformance Rotor - Drilled and Slotted |
| 2010 | Jeep | Wrangler | Rear Left | DFC Geoperformance Rotor - Drilled and Slotted |
| 2009 | Jeep | Wrangler | Rear Left | DFC Geoperformance Rotor - Drilled and Slotted |
| 2008 | Jeep | Wrangler | Rear Left | DFC Geoperformance Rotor - Drilled and Slotted |
| 2007 | Jeep | Wrangler | Rear Left | DFC Geoperformance Rotor - Drilled and Slotted |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.