This DFC dfc hi-carbon alloy geomet coated rotor - drilled is matched to Porsche 911 under manufacturer part number 920-02034. It is built around the application-specific dimensions, position, and brake-system requirements documented below so the replacement can be checked before installation.
Key Features
- High-carbon rotor construction supports strength and vibration control.
- DFC specifies tight disc thickness variation control for consistent pad contact.
- Rotor geometry is engineered for consistent friction contact.
- Coated surfaces provide added corrosion protection in exposed areas.
- The listed iron casting specification supports rotor strength and dimensional stability.
Fitment
| Years | Make | Model |
|---|---|---|
| 1999-2008 | Porsche | 911 |
Specifications
| Manufacturer | Dynamic Friction Company |
|---|---|
| Manufacturer Part Number | 920-02034 |
| Product Type | Brake Rotors - Drilled |
| Position | Rear |
| Outside Diameter | 298 mm |
| Nominal Thickness | 23.83 mm |
| Discard Thickness | 22 mm |
| Overall Height | 75.5 mm |
| Center Hole Diameter | 98 mm |
| Inside Diameter | 98 mm |
| Bolt Hole Quantity | 5 EA |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Circle Diameter | 130 mm |
| Surface Type | X Drilled |
| Solid Or Vented Type Rotor | Vented |
| Disc Finish | Fully Coated GEOMET |
What's Included
One DFC brake component or matched service set in the exact quantity and configuration identified by manufacturer part number 920-02034. Additional components are included only when expressly listed for this MPN.
About Dynamic Friction Company
Dynamic Friction Company develops OE-style and performance brake components for vehicle-specific service. Correct selection depends on the exact part number, application, dimensions, and brake-system position.
Related DFC Brake Parts
- DFC 98-12 Porsche 911 Left Front Drilled Brake Rotor
- DFC 98-12 Porsche Boxster Right Front Drilled Brake Rotor
- DFC 99-23 Porsche 911 Left Rear Drilled Brake Rotor
Browse the DFC collection for additional brake-service components.
Frequently Asked Questions
How do I confirm this DFC part fits my vehicle?
Match the exact manufacturer part number and every year, make, model, axle-position, brake-system, and dimensional requirement shown on this page. VIN-level confirmation is recommended when production splits exist.
Should related brake components be inspected during installation?
Yes. Inspect the mating pads or shoes, rotors or drums, calipers, hoses, lines, hardware, fluid condition, and wheel bearings as applicable before returning the vehicle to service.
Does this brake component require a break-in or final safety check?
Complete every bleeding, adjustment, torque, leak-check, pedal-restoration, and bedding step required for this exact component and vehicle before normal driving.
Installation Instructions
- Confirm the exact vehicle, axle position, and rotor side before disassembly
- Compare the new rotor with the removed part and clean the hub face
- Measure hub and rotor runout, then install with serviceable pads and hardware
- Torque all fasteners to the vehicle service-manual values
- Bed the pads and rotors using the friction manufacturer's procedure
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