OE Quality
60-Day Returns

Raybestos 66914 Disc Brake Rotor - Front
Overview of Raybestos 66914 Disc Brake Rotor
The Raybestos Specialty - Truck 66914 disc brake rotor is engineered for heavy-duty performance on Ford trucks. Designed specifically for Ford Excursion, F-250, F-250 Super Duty, and F-350 Super Duty models, this vented rotor ensures reliable braking under demanding conditions.
- Vented disc brake rotor for improved heat dissipation
- Compatible with Ford Excursion, F-250, F-250 Super Duty, and F-350 Super Duty
- Overall height: 3.910 inches (99.3 mm)
- Outside diameter: 13.030 inches (330.95 mm)
- Mounting bolt hole quantity: 8 with 0.636 inch diameter
- Center hole diameter: 5.085 inches (129.15 mm)
- Nominal thickness: 1.495 inches (37.95 mm)
- Discard thickness: 1.417 inches (36.0 mm)
- Conventional rotor type with drum-in-hat compatibility
Detailed Product Description
The Raybestos 66914 disc brake rotor is part of the Specialty - Truck product line, which focuses on components tailored for heavy-duty truck applications. This rotor features a vented design that enhances cooling efficiency, reducing the risk of brake fade during extended use. With an outside diameter of 13.030 inches and an overall height of 3.910 inches, it fits precisely on specified Ford truck models. The rotor includes eight mounting bolt holes with a 6.693-inch bolt circle diameter, ensuring secure installation. The nominal thickness of 1.495 inches and discard thickness of 1.417 inches provide clear service limits for maintenance and replacement.
Applications and Problem Solving
- Replacement for worn or warped rotors on Ford Excursion and F-250 series trucks
- Addresses brake fade caused by overheating during heavy towing or hauling
- Resolves vibration or pulsation issues linked to rotor thickness variations
- Improves braking performance on trucks with drum-in-hat brake systems
- Suitable for restoring braking reliability on F-350 Super Duty models
Installation Notes and Tips
- Ensure rotor thickness is above discard thickness (1.417 inches) before installation
- Verify mounting bolt hole alignment with the 8-hole pattern and 6.693-inch bolt circle diameter
- Clean hub surface and mounting area to prevent rotor runout
- Use proper torque specifications for mounting bolts to avoid rotor distortion
- Inspect brake pads and hardware during rotor replacement for optimal performance
Quality Assurance and Warranty
Raybestos Specialty - Truck rotors are manufactured to meet or exceed OEM specifications for durability and performance. The 66914 rotor undergoes rigorous quality control to ensure consistent thickness, balance, and material integrity. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship, supporting long-term reliability for Ford Excursion, F-250, and F-350 Super Duty vehicles.
| Brand | Raybestos |
|---|---|
| Part Number | 66914 |
| Position | Specialty - Truck, Front |
| Center Hole Diameter | 5.085 |
| Center Hole Diameter | 129.150 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Discard Thickness | 1.417 |
| Discard Thickness | 36.000 |
| 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 | 1.495 |
| Nominal Thickness | 37.950 |
| Outside Diameter | 13.030 |
| Outside Diameter | 330.950 |
| Overall Height | 3.910 |
| Overall Height | 99.300 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 8 |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Ford | Excursion | 4WD | Front | Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2004 | Ford | Excursion | 4WD | Front | Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2004 | Ford | F-250 | Front | Raybestos Specialty - Truck | ||
| 2004 | Ford | F-250 Super Duty | XL | 4WD | Front | Rotor Diameter 13.03 IN; Specialty - Truck |
| 2004 | Ford | F-250 Super Duty | XLT | 4WD | Front | Rotor Diameter 13.03 IN; Specialty - Truck |
| 2004 | Ford | F-250 Super Duty | Harley-Davidson Edition | 4WD | Front | Rotor Diameter 13.03 IN; Specialty - Truck |
| 2004 | Ford | F-250 Super Duty | King Ranch | 4WD | Front | Rotor Diameter 13.03 IN; Specialty - Truck |
| 2004 | Ford | F-250 Super Duty | Lariat | 4WD | Front | Rotor Diameter 13.03 IN; Specialty - Truck |
| 2004 | Ford | F-350 Super Duty | 4WD | Front | with 13.03 IN Diameter Rotor; Specialty - Truck | |
| 2003 | Ford | Excursion | 4WD | Front | Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2003 | Ford | F-250 | Front | Raybestos Specialty - Truck | ||
| 2003 | Ford | F-250 Super Duty | 4WD | Front | w/ 3.73, 4.10, 4.30 Gear Ratio; Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2003 | Ford | F-350 Super Duty | 4WD | Front | w/ 3.73, 4.10, 4.30 Gear Ratio; Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2002 | Ford | Excursion | 4WD | Front | Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2002 | Ford | F-250 | Front | Raybestos Specialty - Truck | ||
| 2002 | Ford | F-250 Super Duty | 4WD | Front | w/ 3.73, 4.10, 4.30 Gear Ratio; Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2002 | Ford | F-350 Super Duty | 4WD | Front | Except 4.88 & 5.38 Gear Ratio; Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2001 | Ford | Excursion | 4WD | Front | Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2001 | Ford | F-250 | Front | Raybestos Specialty - Truck | ||
| 2001 | Ford | F-250 Super Duty | 4WD | Front | w/ 3.73, 4.10, 4.30 Gear Ratio; Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2001 | Ford | F-350 Super Duty | 4WD | Front | Except 4.88 & 5.38 Gear Ratio; Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2000 | Ford | Excursion | 4WD | Front | From 03/22/1999; Specialty - Truck | |
| 2000 | Ford | F-250 Super Duty | 4WD | Front | w/ 3.73, 4.10, 4.30 Gear Ratio; Rotor Diameter 13.03 IN; Specialty - Truck | |
| 2000 | Ford | F-350 Super Duty | 4WD | Front | Except 4.88 & 5.38 Gear Ratio; Rotor Diameter 13.03 IN; Specialty - Truck | |
| 1999 | Ford | F-250 Super Duty | 4WD | Front | w/ Monobeam Suspension; Rotor Diameter 13.03 IN; From 03/22/1999; Specialty - Truck | |
| 1999 | Ford | F-350 Super Duty | 4WD | Front | 3.73 Gear Ratio; w/ 4.10 Gear Ratio; w/ 4.30 Gear Ratio; Rotor Diameter 13.03 IN; From 03/22/1999; Specialty - Truck |
* 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.