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Raybestos 680344R Disc Brake Rotor - Rear
Overview of Raybestos R-Line Disc Brake Rotor 680344R
The Raybestos R-Line Disc Brake Rotor 680344R is engineered for reliable braking performance on Ford F-250 Super Duty and F-350 Super Duty trucks. Designed as a vented, drum-in-hat type rotor, it offers effective heat dissipation and integrated parking brake functionality.
- Vented disc brake rotor with drum-in-hat design
- Outside diameter: 13.380 inches (339.85 mm)
- Nominal thickness: 1.345 inches (34.15 mm)
- Discard thickness: 1.276 inches (32.4 mm)
- Overall height: 4.925 inches (125.1 mm)
- Mounting bolt hole quantity: 8 with 6.142 inch (156 mm) bolt circle diameter
- Center hole diameter: 5.044 inches (128.1 mm)
- Compatible with Ford F-250 Super Duty and F-350 Super Duty models
Raybestos R-Line Product Line Details
The R-Line by Raybestos is a product line focused on delivering dependable replacement brake components that meet or exceed OEM specifications. This line emphasizes durability and consistent performance, making it suitable for heavy-duty applications such as the Ford F-250 Super Duty and F-350 Super Duty. The 680344R rotor benefits from this engineering approach, providing a vented rotor design that supports effective heat management and long service life.
Technical Specifications and Features
This disc brake rotor features a vented design to improve cooling during braking, reducing the risk of brake fade under heavy loads. The drum-in-hat configuration integrates a parking brake drum within the rotor, eliminating the need for a separate drum assembly. With an outside diameter of 13.380 inches and a nominal thickness of 1.345 inches, the rotor maintains structural integrity while providing consistent braking surface. The discard thickness of 1.276 inches indicates the minimum safe thickness before replacement is necessary. The rotor mounts with eight bolts on a 6.142-inch bolt circle diameter, ensuring secure fitment on compatible Ford Super Duty models.
Applications and Problem Solving
- Replacement for worn or warped rotors on Ford F-250 Super Duty and F-350 Super Duty
- Addresses brake fade caused by overheating during heavy towing or hauling
- Resolves issues with uneven braking or pulsation due to rotor thickness variation
- Restores parking brake functionality with integrated drum-in-hat design
- Improves braking reliability and safety on heavy-duty trucks
Installation Notes and Tips
Ensure the rotor thickness is measured before installation to confirm it exceeds the discard thickness of 1.276 inches. Clean the mounting surface and hub to prevent runout and ensure proper rotor seating. Torque mounting bolts to manufacturer specifications and inspect brake pads for wear during installation. The integrated drum-in-hat design requires compatible parking brake shoes for proper operation.
Quality Assurance and Warranty
Raybestos R-Line rotors are manufactured to meet OEM standards for fit, form, and function. The 680344R rotor undergoes rigorous quality control to ensure durability and consistent performance. While specific warranty details may vary, Raybestos typically offers limited warranties covering defects in materials and workmanship. Consult product documentation for exact warranty terms.
| Brand | Raybestos |
|---|---|
| Part Number | 680344R |
| Position | R-Line, Rear |
| Center Hole Diameter | 5.044 |
| Center Hole Diameter | 128.100 |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| Discard Thickness | 1.276 |
| Discard Thickness | 32.400 |
| Mounting Bolt Hole Circle Diameter | 6.142 |
| Mounting Bolt Hole Circle Diameter | 156.000 |
| Mounting Bolt Hole Diameter | 6.142 |
| Mounting Bolt Hole Diameter | 156.000 |
| Mounting Bolt Hole Quantity | 8 |
| Nominal Thickness | 1.345 |
| Nominal Thickness | 34.150 |
| Outside Diameter | 13.380 |
| Outside Diameter | 339.850 |
| Overall Height | 4.925 |
| Overall Height | 125.100 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 8 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Ford | F-350 Super Duty | Rear | Fits vehicles with dual rear wheels.; R-Line |
| 2011 | Ford | F-350 Super Duty | Rear | Fits vehicles with dual rear wheels.; R-Line |
| 2010 | Ford | F-250 Super Duty | Rear | with Dual Rear Wheels (DRW); Raybestos R-Line |
| 2010 | Ford | F-350 Super Duty | Rear | Fits vehicles with dual rear wheels.; R-Line |
| 2009 | Ford | F-250 Super Duty | Rear | with Dual Rear Wheels (DRW); Raybestos R-Line |
| 2009 | Ford | F-350 Super Duty | Rear | Fits vehicles with dual rear wheels.; R-Line |
| 2008 | Ford | F-250 Super Duty | Rear | with Dual Rear Wheels (DRW); Raybestos R-Line |
| 2008 | Ford | F-350 Super Duty | Rear | Fits vehicles with dual rear wheels.; R-Line |
| 2007 | Ford | F-250 Super Duty | Rear | with Dual Rear Wheels (DRW); Raybestos R-Line |
| 2007 | Ford | F-350 Super Duty | Rear | Fits vehicles with dual rear wheels.; R-Line |
| 2006 | Ford | F-250 Super Duty | Rear | with Dual Rear Wheels (DRW); Raybestos R-Line |
| 2006 | Ford | F-350 Super Duty | Rear | Fits vehicles with dual rear wheels.; R-Line |
| 2005 | Ford | F-250 Super Duty | Rear | with Dual Rear Wheels (DRW); Raybestos R-Line |
| 2005 | Ford | F-350 Super Duty | Rear | Fits vehicles with dual rear wheels.; R-Line |
* 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.