OE Quality
60-Day Returns

Dynamite Friction 604-58038 Disc Brake Rotor - Rear
Overview of Dynamite Friction DFC GEOSPEC Coated Rotor 604-58038
The Dynamite Friction DFC GEOSPEC Coated Rotor 604-58038 is engineered for reliable braking performance on Acura and Honda vehicles. Designed specifically for models like the MDX, Passport, and Pilot, this disc brake rotor offers durability and consistent stopping power.
- Nominal thickness of 11 mm with a discard thickness of 9 mm for precise wear limits
- 330 mm outside diameter and 39 mm height for exact fitment
- 5 bolt holes with a 14.6 mm diameter and 120 mm bolt circle diameter
- Geospec silver grey hat finish with rust-resistant coating for extended rotor life
- Plain disc finish with a smooth surface type for consistent brake pad contact
- Non-directional brake surface compatible with various brake pad types
- Center hole diameter of 70.1 mm for proper hub alignment
Details on the DFC GEOSPEC Coated Rotor Product Line
The DFC GEOSPEC Coated Rotor line by Dynamite Friction focuses on corrosion resistance and durability. The Geospec silver grey coating on the rotor hat helps protect against rust, which is critical for maintaining rotor integrity over time. This coating, combined with a rust-resistant finish on the braking surface, ensures the rotor remains reliable under various driving conditions. The non-directional smooth surface design supports even pad wear and consistent braking performance.
Technical Description and Specifications
This disc brake rotor, part number 604-58038, is designed to meet the exact specifications required for Acura MDX, Honda Passport, and Honda Pilot models. With a nominal thickness of 11 mm and a discard thickness of 9 mm, it provides clear service limits to maintain safe braking. The rotor features a 5-lug bolt pattern with a 120 mm bolt circle diameter and 14.6 mm bolt hole diameter, ensuring proper fitment and secure mounting. The 330 mm outside diameter and 39 mm height are engineered for compatibility with the specified vehicles. The rotor’s plain disc finish and smooth braking surface promote consistent pad contact and braking efficiency.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on Acura MDX, Honda Passport, and Pilot
- Addresses brake pulsation caused by uneven rotor surfaces
- Prevents rust and corrosion-related rotor degradation
- Improves braking consistency and reduces noise from uneven wear
- Suitable for restoring factory-level braking performance
Installation Notes and Tips
Ensure the rotor is installed on compatible Acura or Honda models with the specified bolt pattern and dimensions. Verify the rotor thickness before installation; replace if below the discard thickness of 9 mm. Clean the hub surface to prevent runout and ensure proper rotor seating. Use proper torque specifications on the 5 lug nuts to avoid rotor distortion. The non-directional design allows installation on either side of the vehicle without concern for rotation direction.
Quality Assurance and Warranty
Dynamite Friction manufactures the DFC GEOSPEC Coated Rotor 604-58038 to meet OEM standards for fit and function. The rust-resistant coating and precise machining contribute to long service life. While specific warranty details are not provided, Dynamite Friction products typically adhere to industry quality controls to ensure reliability and performance.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 604-58038 |
| Position | DFC GEOSPEC Coated Rotor, Rear |
| Discard Thickness | 9 |
| Nominal Thickness | 11 |
| Bolt Hole Diameter | 14.6 |
| Disc Finish | Plain |
| Hat Finish | Geospec silver grey |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Outside Diameter | 330 |
| Height | 39 |
| Surface Type | Smooth |
| Center Hole Diameter | 70.1 |
| Stud/Lug Hole Quantity | 5 |
| Directional or Non-Directional Brake Surface | Non-directional |
| Bolt Circle Diameter | 120 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2026 | Acura | MDX | Rear | DFC GEOSPEC Coated Rotor |
| 2026 | Honda | Passport | Rear | DFC GEOSPEC Coated Rotor |
| 2026 | Honda | Pilot | Rear | DFC GEOSPEC Coated Rotor |
| 2025 | Acura | MDX | Rear | DFC GEOSPEC Coated Rotor |
| 2025 | Honda | Pilot | Rear | DFC GEOSPEC Coated Rotor |
| 2024 | Acura | MDX | Rear | DFC GEOSPEC Coated Rotor |
| 2024 | Honda | Pilot | Rear | DFC GEOSPEC Coated Rotor |
| 2023 | Acura | MDX | Rear | DFC GEOSPEC Coated Rotor |
| 2023 | Honda | Pilot | Rear | DFC GEOSPEC Coated Rotor |
| 2022 | Acura | MDX | Rear | DFC GEOSPEC Coated Rotor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.