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Raybestos 56992R Disc Brake Rotor - Rear
Overview of Raybestos R-Line Disc Brake Rotor 56992R
The Raybestos R-Line Disc Brake Rotor 56992R is engineered for reliable braking performance on heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Silverado 3500 and Sierra 3500 HD, this vented rotor ensures consistent heat dissipation and durability under demanding conditions.
- Vented disc brake rotor with drum-in-hat design
- Nominal thickness of 1.185 inches (30.100 mm)
- Discard thickness at 1.122 inches (28.500 mm)
- Overall height of 5.200 inches (132.100 mm)
- Outside diameter measuring 12.800 inches (325.100 mm)
- Eight mounting bolt holes and stud/lug holes for secure fitment
- Center hole diameter of 4.835 inches (122.800 mm)
- Compatible with Chevrolet Express 3500, GMC Savana 3500, Sierra 3500 Classic, and Silverado 3500 HD models
Raybestos R-Line Product Line Details
The R-Line by Raybestos focuses on delivering dependable brake components tailored for heavy-duty applications. This product line emphasizes precise fitment and robust construction, making it suitable for demanding vehicles such as the Chevrolet Silverado 3500 and GMC Sierra 3500 HD. The 56992R rotor exemplifies the R-Line’s commitment to quality and performance in disc brake rotors.
Technical Specifications and Features
This disc brake rotor features a vented design that improves heat dissipation during braking, reducing the risk of brake fade. The drum-in-hat configuration integrates a parking brake drum within the rotor, providing a compact and efficient braking solution. With an outside diameter of 12.800 inches and an overall height of 5.200 inches, the rotor fits securely on vehicles requiring eight mounting bolts. The nominal thickness of 1.185 inches ensures structural integrity, while the discard thickness of 1.122 inches indicates the minimum safe thickness before replacement is necessary.
Applications and Problem Solving
- Replacement for worn or warped rotors on Chevrolet Express 3500 and GMC Savana 3500
- Addresses brake fade caused by overheating in heavy-duty Silverado 3500 HD trucks
- Resolves vibration or pulsation issues during braking
- Restores proper parking brake function with integrated drum-in-hat design
- Ensures secure mounting with eight bolt holes for stable rotor attachment
Installation Notes and Tips
- Verify compatibility with vehicle make and model before installation
- Inspect mounting surfaces and hardware for wear or damage
- Ensure rotor thickness meets or exceeds discard thickness specifications
- Use proper torque settings on mounting bolts to avoid rotor warping
- Check parking brake adjustment after installation due to drum-in-hat design
Quality Assurance and Warranty
Raybestos manufactures the 56992R rotor to meet or exceed OEM specifications for Chevrolet and GMC heavy-duty trucks. The R-Line product line undergoes rigorous quality control to ensure durability and consistent performance. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Raybestos |
|---|---|
| Part Number | 56992R |
| Position | R-Line, Rear |
| Center Hole Diameter | 4.835 |
| Center Hole Diameter | 122.800 |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| Discard Thickness | 1.122 |
| Discard Thickness | 28.500 |
| Mounting Bolt Hole Circle Diameter | 6.500 |
| Mounting Bolt Hole Circle Diameter | 165.100 |
| Mounting Bolt Hole Diameter | 6.500 |
| Mounting Bolt Hole Diameter | 165.100 |
| Mounting Bolt Hole Quantity | 8 |
| Nominal Thickness | 1.185 |
| Nominal Thickness | 30.100 |
| Outside Diameter | 12.800 |
| Outside Diameter | 325.100 |
| Overall Height | 5.200 |
| Overall Height | 132.100 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 8 |
This part fits 37 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2010 | Chevrolet | Silverado 3500 HD | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2010 | GMC | Sierra 3500 HD | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2009 | Chevrolet | Silverado 3500 HD | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2009 | GMC | Sierra 3500 HD | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2008 | Chevrolet | Express 3500 | Cutaway Van | Rear | 5.20" Overall Rotor Height; For vehicles with Dual Rear Wheels; R-Line |
| 2008 | Chevrolet | Silverado 3500 HD | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2008 | GMC | Savana 3500 | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2008 | GMC | Sierra 3500 HD | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2007 | Chevrolet | Express 3500 | Cutaway Van | Rear | Fits vehicles with dual rear wheels.; R-Line |
| 2007 | Chevrolet | Silverado 3500 | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2007 | Chevrolet | Silverado 3500 Classic | Rear | Fits vehicles with a 12,000 lb GVWR for Disc Brake Calipers.; R-Line | |
| 2007 | Chevrolet | Silverado 3500 Classic | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2007 | Chevrolet | Silverado 3500 HD | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2007 | GMC | Savana 3500 | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2007 | GMC | Sierra 3500 Classic | Rear | Fits vehicles with a 12,000 lb GVWR for Disc Brake Calipers.; R-Line | |
| 2007 | GMC | Sierra 3500 Classic | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2007 | GMC | Sierra 3500 HD | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2006 | Chevrolet | Express 3500 | Cutaway Van | Rear | Fits vehicles with dual rear wheels.; R-Line |
| 2006 | Chevrolet | Silverado 3500 | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2006 | GMC | Savana 3500 | Rear | 12.80 IN Diameter Rotor for Dual Rear Wheels; R-Line | |
| 2006 | GMC | Sierra 3500 | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2005 | Chevrolet | Express 3500 | Rear | 12.80 IN Diameter Rotor for Dual Rear Wheels; R-Line | |
| 2005 | Chevrolet | Silverado 3500 | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2005 | GMC | Savana 3500 | Rear | 12.80 IN Diameter Rotor for Dual Rear Wheels; R-Line | |
| 2005 | GMC | Sierra 3500 | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2004 | Chevrolet | Express 3500 | Rear | 12.80 IN Diameter Rotor for Dual Rear Wheels; R-Line | |
| 2004 | Chevrolet | Silverado 3500 | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2004 | GMC | Savana 3500 | Rear | 12.80 IN Diameter Rotor for Dual Rear Wheels; R-Line | |
| 2004 | GMC | Sierra 3500 | Rear | Fits vehicles with dual rear wheels.; R-Line | |
| 2003 | Chevrolet | Express 3500 | Rear | 12.80 IN Diameter Rotor for Dual Rear Wheels; R-Line | |
| 2003 | Chevrolet | Silverado 3500 | Rear | R-Line | |
| 2003 | GMC | Savana 3500 | Rear | 12.80 IN Diameter Rotor for Dual Rear Wheels; R-Line | |
| 2003 | GMC | Sierra 3500 | Rear | R-Line | |
| 2002 | Chevrolet | Silverado 3500 | Rear | R-Line | |
| 2002 | GMC | Sierra 3500 | Rear | R-Line | |
| 2001 | Chevrolet | Silverado 3500 | Rear | R-Line | |
| 2001 | GMC | Sierra 3500 | Rear | 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.