OE Quality
60-Day Returns

Raybestos 66823FZN Disc Brake Rotor - Rear
Reliable Disc Brake Rotor for Ford Super Duty Trucks
The Raybestos Element3; Coated Rotor 66823FZN is engineered to provide consistent braking performance for Ford Excursion, F-250, F-250 Super Duty, and F-350 Super Duty models. Designed with precision, this vented disc brake rotor ensures effective heat dissipation and durability under demanding conditions.
- Vented disc brake rotor with drum-in-hat design for enhanced cooling
- Nominal thickness of 1.185 inches (30.1 mm) and discard thickness of 1.102 inches (28 mm)
- Overall height of 3.87 inches (98.3 mm) for proper fitment
- Outside diameter measures 12.83 inches (325.9 mm) for optimal braking surface
- Equipped with 8 mounting bolt holes and 8 stud/lug holes for secure installation
- Center hole diameter of 5 inches (127 mm) and mounting bolt hole circle diameter of 6.693 inches (170 mm)
- Mounting bolt hole diameter of 0.636 inches (16.15 mm) compatible with factory hardware
About the Raybestos Element3; Coated Rotor Line
The Element3; Coated Rotor line from Raybestos focuses on providing rotors with a protective coating that helps resist rust and corrosion, extending the rotor's service life. This coating also reduces brake dust buildup, maintaining a cleaner appearance and consistent braking performance. The 66823FZN rotor benefits from these features, making it suitable for heavy-duty applications in Ford Super Duty trucks.
Product Details and Specifications
This disc brake rotor features a vented design that improves heat dissipation during braking, reducing the risk of brake fade in demanding driving conditions. The drum-in-hat type rotor integrates a parking brake drum within the rotor assembly, which is common in heavy-duty truck applications. With an outside diameter of 12.83 inches and an overall height of 3.87 inches, this rotor is engineered to meet the exact specifications required for Ford Excursion and F-250/F-350 Super Duty models. The 8 mounting bolt holes and stud/lug holes ensure a secure and precise fit, while the nominal and discard thickness values provide clear guidelines for rotor serviceability.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Addressing rotor corrosion and rust buildup on Ford Super Duty trucks
- Improving heat dissipation to reduce brake fade during heavy towing or hauling
- Restoring proper parking brake function with integrated drum-in-hat design
- Ensuring consistent braking performance on Ford Excursion and F-250/F-350 Super Duty vehicles
Installation Notes and Tips
When installing the Raybestos 66823FZN rotor, ensure the mounting surfaces are clean and free of debris to prevent uneven rotor seating. Verify that the rotor thickness meets or exceeds the discard thickness of 1.102 inches (28 mm) before installation. Use the correct torque specifications for the 8 mounting bolts and lug nuts to maintain proper rotor alignment. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor longevity.
Quality Assurance and Warranty
Raybestos manufactures the Element3; Coated Rotor line to meet or exceed OEM standards for fit, form, and function. The protective coating enhances corrosion resistance, contributing to longer rotor life. While specific warranty details for part number 66823FZN should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship.
| Brand | Raybestos |
|---|---|
| Part Number | 66823FZN |
| Position | Element3; Coated Rotor, Rear |
| Center Hole Diameter | 5.000 |
| Center Hole Diameter | 127.000 |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| Discard Thickness | 1.102 |
| Discard Thickness | 28.000 |
| Mounting Bolt Hole Circle Diameter | 6.693 |
| Mounting Bolt Hole Circle Diameter | 170.000 |
| Mounting Bolt Hole Diameter | 0.636 |
| Mounting Bolt Hole Diameter | 16.150 |
| Mounting Bolt Hole Quantity | 8 |
| Nominal Thickness | 1.185 |
| Nominal Thickness | 30.100 |
| Outside Diameter | 12.830 |
| Outside Diameter | 325.900 |
| Overall Height | 3.870 |
| Overall Height | 98.300 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 8 |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Ford | F-250 | Rear | Raybestos Element 3 |
| 2007 | Ford | F-250 | Rear | Raybestos Element 3 |
| 2006 | Ford | F-250 | Rear | Raybestos Element 3 |
| 2005 | Ford | Excursion | Rear | Element3; Coated Rotor |
| 2004 | Ford | Excursion | Rear | Element3; Coated Rotor |
| 2004 | Ford | F-250 | Rear | Raybestos Element 3 |
| 2004 | Ford | F-250 Super Duty | Rear | Element3; Coated Rotor |
| 2004 | Ford | F-350 Super Duty | Rear | Not compatible with dual rear wheels.; Element3; Coated Rotor |
| 2003 | Ford | Excursion | Rear | Element3; Coated Rotor |
| 2003 | Ford | F-250 | Rear | Raybestos Element 3 |
| 2003 | Ford | F-250 Super Duty | Rear | Element3; Coated Rotor |
| 2003 | Ford | F-350 Super Duty | Rear | Not compatible with dual rear wheels.; Element3; Coated Rotor |
| 2002 | Ford | Excursion | Rear | Element3; Coated Rotor |
| 2002 | Ford | F-250 | Rear | Raybestos Element 3 |
| 2002 | Ford | F-250 Super Duty | Rear | Element3; Coated Rotor |
| 2002 | Ford | F-350 Super Duty | Rear | Not compatible with dual rear wheels.; Element3; Coated Rotor |
| 2001 | Ford | Excursion | Rear | Element3; Coated Rotor |
| 2001 | Ford | F-250 | Rear | Raybestos Element 3 |
| 2001 | Ford | F-250 Super Duty | Rear | Element3; Coated Rotor |
| 2001 | Ford | F-350 Super Duty | Rear | Not compatible with dual rear wheels.; Element3; Coated Rotor |
| 2000 | Ford | Excursion | Rear | Element3; Coated Rotor |
| 2000 | Ford | F-250 | Rear | Raybestos Element 3 |
| 2000 | Ford | F-250 Super Duty | Rear | Element3; Coated Rotor |
| 2000 | Ford | F-350 Super Duty | Rear | Not compatible with dual rear wheels.; Element3; Coated Rotor |
| 1999 | Ford | F-250 Super Duty | Rear | Element3; Coated Rotor |
| 1999 | Ford | F-350 Super Duty | Rear | Not compatible with dual rear wheels.; Element3; 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.