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Raybestos 56999R Disc Brake Rotor - Front
Reliable Disc Brake Rotor for Chevrolet and GMC Trucks
The Raybestos R-Line 56999R disc brake rotor is engineered for heavy-duty performance on Chevrolet and GMC trucks. Designed specifically for models like the Silverado 2500 HD and Sierra 3500, this vented rotor ensures consistent braking under demanding conditions.
- Vented disc brake rotor for improved heat dissipation
- Nominal thickness of 1.500 inches (38.100 mm) with discard thickness at 1.437 inches (36.500 mm)
- Overall height of 3.510 inches (89.150 mm) for precise fitment
- Outside diameter measures 12.795 inches (325.000 mm)
- Eight mounting bolt holes with a 6.500 inch (165.100 mm) bolt circle diameter
- Center hole diameter of 4.650 inches (118.100 mm) for secure installation
- Conventional rotor type compatible with drum-in-hat setups
About the Raybestos R-Line Product Line
The R-Line by Raybestos is a product line focused on delivering dependable braking components for heavy-duty and commercial vehicles. This line emphasizes durability and precise engineering, making it suitable for demanding applications such as those found in Chevrolet Avalanche 2500 and GMC Savana 3500 models. The 56999R rotor exemplifies the R-Lineβs commitment to quality and fitment accuracy.
Detailed Product Description
This Raybestos R-Line 56999R disc brake rotor is a vented design that helps reduce heat buildup during braking, which is critical for maintaining performance and rotor longevity on heavy trucks. With a nominal thickness of 1.500 inches and a discard thickness of 1.437 inches, it provides a clear service life indicator to ensure safe replacement timing. The rotorβs 12.795-inch outside diameter and 3.510-inch overall height are engineered to match factory specifications for Chevrolet and GMC 2500 and 3500 series trucks, including Silverado, Sierra, Avalanche, Express, and Savana models. The eight mounting bolt holes and 6.500-inch bolt circle diameter ensure a secure and precise fit, while the conventional rotor type supports compatibility with drum-in-hat brake systems.
Common Applications and Issues Addressed
- Replacement for worn or warped rotors causing brake pulsation
- Upgrading to vented rotors for improved heat dissipation on heavy-duty trucks
- Restoring braking performance on Chevrolet Silverado 2500 HD and GMC Sierra 3500 Classic
- Addressing rotor thickness below discard limits to maintain safety
- Ensuring proper fitment for models like GMC Savana 2500 and Chevrolet Avalanche 2500
Installation Notes and Tips
- Verify rotor thickness before installation to ensure it meets minimum discard thickness of 1.437 inches
- Clean mounting surfaces to prevent rotor runout and uneven wear
- Torque mounting bolts to manufacturer specifications for secure fitment
- Inspect brake pads and hardware during rotor replacement for optimal braking system performance
- Use proper tools to avoid damage to rotor or mounting components
Quality Assurance and Warranty
Raybestos R-Line rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details for part number 56999R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship.
| Brand | Raybestos |
|---|---|
| Part Number | 56999R |
| Position | R-Line, Front |
| Center Hole Diameter | 4.650 |
| Center Hole Diameter | 118.100 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Discard Thickness | 1.437 |
| Discard Thickness | 36.500 |
| Mounting Bolt Hole Circle Diameter | 6.500 |
| Mounting Bolt Hole Circle Diameter | 165.100 |
| Mounting Bolt Hole Diameter | 0.635 |
| Mounting Bolt Hole Diameter | 16.150 |
| Mounting Bolt Hole Quantity | 8 |
| Nominal Thickness | 1.500 |
| Nominal Thickness | 38.100 |
| Outside Diameter | 12.795 |
| Outside Diameter | 325.000 |
| Overall Height | 3.510 |
| Overall Height | 89.150 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 8 |
This part fits 102 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2025 | Chevrolet | Express 3500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2025 | GMC | Savana 3500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2024 | Chevrolet | Express 3500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2024 | GMC | Savana 3500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2023 | Chevrolet | Express 2500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2023 | Chevrolet | Express 3500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2023 | GMC | Savana 3500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2022 | Chevrolet | Express 2500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2022 | Chevrolet | Express 3500 | Front | w/ RPO Code JH9 (14,050 Lb. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc); R-Line | |
| 2022 | GMC | Savana 2500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2022 | GMC | Savana 3500 | Front | w/ RPO Code JH9 (14,050 Lb. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc); R-Line | |
| 2021 | Chevrolet | Express 2500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2021 | Chevrolet | Express 3500 | Front | with 14,050 LB GVW; R-Line | |
| 2021 | GMC | Savana 2500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2021 | GMC | Savana 3500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2020 | Chevrolet | Express 3500 | Front | with 14,050 LB GVW; R-Line | |
| 2020 | GMC | Savana 3500 | Front | with 14,050 LB GVW; R-Line | |
| 2019 | Chevrolet | Express 3500 | Front | with 14,050 LB GVW; R-Line | |
| 2019 | GMC | Savana 3500 | Front | with 14,050 LB GVW; R-Line | |
| 2018 | Chevrolet | Express 3500 | Front | with 14,050 LB GVW; R-Line | |
| 2018 | GMC | Savana 3500 | Front | with 14,050 LB GVW; R-Line | |
| 2017 | Chevrolet | Express 3500 | Front | with 14,050 LB GVW; R-Line | |
| 2017 | GMC | Savana 3500 | Front | with 14,050 LB GVW; R-Line | |
| 2016 | Chevrolet | Express 3500 | Front | GVW 14,040 LBS; R-Line | |
| 2016 | GMC | Savana 3500 | Front | GVW 14,040 LBS; R-Line | |
| 2015 | Chevrolet | Express 3500 | Base | Front | GVW 14,040 LBS; R-Line |
| 2015 | GMC | Savana 3500 | Front | GVW 14,040 LBS; R-Line | |
| 2014 | Chevrolet | Express 3500 | Base | Front | GVW 14,040 LBS; R-Line |
| 2014 | GMC | Savana 3500 | Base | Front | GVW 14,040 LBS; R-Line |
| 2013 | Chevrolet | Express 3500 | Base | Front | GVW 14,040 LBS; R-Line |
| 2013 | GMC | Savana 3500 | Base | Front | 10,000 to 14,050 lb. GVW; R-Line |
| 2012 | Chevrolet | Express 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2012 | GMC | Savana 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2011 | Chevrolet | Express 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2011 | GMC | Savana 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2010 | Chevrolet | Express 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2010 | Chevrolet | Silverado 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2010 | Chevrolet | Silverado 3500 HD | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2010 | GMC | Savana 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2010 | GMC | Sierra 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2010 | GMC | Sierra 3500 HD | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2009 | Chevrolet | Express 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2009 | Chevrolet | Silverado 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2009 | Chevrolet | Silverado 3500 HD | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2009 | GMC | Savana 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2009 | GMC | Sierra 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2009 | GMC | Sierra 3500 HD | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2008 | Chevrolet | Express 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2008 | Chevrolet | Silverado 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2008 | Chevrolet | Silverado 3500 HD | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2008 | GMC | Savana 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2008 | GMC | Sierra 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2008 | GMC | Sierra 3500 HD | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2007 | Chevrolet | Express 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2007 | Chevrolet | Silverado 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2007 | Chevrolet | Silverado 3500 | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2007 | Chevrolet | Silverado 3500 | Front | Fits vehicles with a 12,000 lb GVWR for Disc Brake Calipers.; R-Line | |
| 2007 | Chevrolet | Silverado 3500 Classic | Front | Fits vehicles with a 12,000 lb GVWR for Disc Brake Calipers.; R-Line | |
| 2007 | Chevrolet | Silverado 3500 Classic | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2007 | Chevrolet | Silverado 3500 HD | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2007 | GMC | Savana 3500 | Front | 10,000 lb. Or Over Gross Vehicle Weight; R-Line | |
| 2007 | GMC | Sierra 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2007 | GMC | Sierra 2500 HD Classic | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2007 | GMC | Sierra 3500 Classic | Front | Fits vehicles with a 12,000 lb GVWR for Disc Brake Calipers.; R-Line | |
| 2007 | GMC | Sierra 3500 Classic | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2007 | GMC | Sierra 3500 HD | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2006 | Chevrolet | Express 3500 | Front | Over 9600 LB GVW; R-Line | |
| 2006 | Chevrolet | Silverado 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2006 | Chevrolet | Silverado 3500 | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2006 | GMC | Savana 3500 | Front | Over 9600 LB GVW; R-Line | |
| 2006 | GMC | Sierra 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2006 | GMC | Sierra 3500 | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2005 | Chevrolet | Express 3500 | Front | Over 9600 LB GVW; R-Line | |
| 2005 | Chevrolet | Silverado 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2005 | Chevrolet | Silverado 3500 | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2005 | GMC | Savana 3500 | Front | Over 9600 LB GVW; R-Line | |
| 2005 | GMC | Sierra 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2005 | GMC | Sierra 3500 | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2004 | Chevrolet | Avalanche 2500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2004 | Chevrolet | Express 3500 | Front | Over 9600 LB GVW; R-Line | |
| 2004 | Chevrolet | Silverado 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2004 | Chevrolet | Silverado 3500 | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2004 | GMC | Savana 3500 | Front | Over 9600 LB GVW; R-Line | |
| 2004 | GMC | Sierra 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2004 | GMC | Sierra 3500 | Front | Fits vehicles with dual rear wheels.; R-Line | |
| 2003 | Chevrolet | Avalanche 2500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2003 | Chevrolet | Express 3500 | Front | Over 9600 LB GVW; R-Line | |
| 2003 | Chevrolet | Silverado 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2003 | Chevrolet | Silverado 3500 | Front | R-Line | |
| 2003 | GMC | Savana 3500 | Front | Over 9600 LB GVW; R-Line | |
| 2003 | GMC | Sierra 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2003 | GMC | Sierra 3500 | Front | R-Line | |
| 2002 | Chevrolet | Avalanche 2500 | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2002 | Chevrolet | Silverado 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2002 | Chevrolet | Silverado 3500 | Front | R-Line | |
| 2002 | GMC | Sierra 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2002 | GMC | Sierra 3500 | Front | R-Line | |
| 2001 | Chevrolet | Silverado 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2001 | Chevrolet | Silverado 3500 | Front | R-Line | |
| 2001 | GMC | Sierra 2500 HD | Front | with Dual Rear Wheels (DRW); Raybestos R-Line | |
| 2001 | GMC | Sierra 3500 | Front | 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.