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Raybestos 56579R Disc Brake Rotor and Hub Assembly - Front
Overview of Raybestos R-Line Disc Brake Rotor and Hub Assembly
The Raybestos R-Line 56579R disc brake rotor and hub assembly is engineered for reliable braking performance on Chevrolet and GMC trucks. Designed specifically for models like the Chevrolet C2500, Express 2500, and GMC Savana 2500, this assembly ensures proper fitment and consistent stopping power.
- Compatible with Chevrolet C2500, Express 2500, and GMC Savana 2500
- Part number 56579R for precise identification
- Includes disc brake rotor and hub assembly
- Mounting bolt hole quantity: 6 with 139.7 mm bolt circle diameter
- Nominal rotor thickness: 32.650 mm (1.285 inches)
- Discard thickness: 30.850 mm (1.215 inches)
- Stud/lug hole quantity: 6
Detailed Product Specifications and Features
This disc brake rotor and hub assembly features a nominal thickness of 32.650 mm (1.285 inches), providing a solid braking surface for effective heat dissipation and durability. The discard thickness is 30.850 mm (1.215 inches), indicating the minimum allowable thickness before replacement is necessary. The assembly includes six mounting bolt holes arranged on a 139.7 mm (5.5 inch) bolt circle diameter, with each hole measuring 15.3 mm (0.603 inches) in diameter. The six stud/lug holes ensure secure attachment to the vehicle’s wheel hub.
About the Raybestos R-Line Product Line
The R-Line by Raybestos is a product line focused on delivering reliable, OE-quality brake components designed to meet the demands of professional repair shops and vehicle owners. This line emphasizes precise fitment and consistent performance, making it suitable for heavy-duty applications such as the Chevrolet C2500 and GMC Savana 2500 trucks. The 56579R rotor and hub assembly is part of this line, ensuring compatibility and durability for your vehicle’s braking system.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Fixing excessive brake noise due to damaged rotor surfaces
- Addressing uneven brake pad wear linked to rotor thickness issues
- Restoring proper wheel hub alignment and secure mounting
- Improving braking performance on Chevrolet C2500, Express 2500, and GMC Savana 2500 models
Installation Notes and Tips
Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the mounting bolt holes and stud/lug holes align correctly with the vehicle hub. Measure rotor thickness to confirm it meets or exceeds the nominal thickness of 32.650 mm. Replace the rotor and hub assembly if the thickness is below the discard thickness of 30.850 mm. Use proper torque specifications for mounting bolts to avoid warping or loosening during operation.
Quality Assurance and Warranty
Raybestos R-Line brake components are manufactured to meet or exceed industry standards for durability and performance. While specific warranty details for part number 56579R are not provided here, Raybestos typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.
| Brand | Raybestos |
|---|---|
| Part Number | 56579R |
| Position | R-Line, Front |
| Discard Thickness | 1.215 |
| Discard Thickness | 30.850 |
| Mounting Bolt Hole Circle Diameter | 5.500 |
| Mounting Bolt Hole Circle Diameter | 139.700 |
| Mounting Bolt Hole Diameter | 0.603 |
| Mounting Bolt Hole Diameter | 15.300 |
| Mounting Bolt Hole Quantity | 6 |
| Nominal Thickness | 1.285 |
| Nominal Thickness | 32.650 |
| Stud/Lug Hole Quantity | 6 |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Chevrolet | Express 2500 | Front | with 7,300 LB GVW; R-Line |
| 2002 | GMC | Savana 2500 | Front | with 7,300 LB GVW; R-Line |
| 2001 | Chevrolet | Express 2500 | Front | with 7,300 LB GVW; R-Line |
| 2001 | GMC | Savana 2500 | Front | with 7,300 LB GVW; R-Line |
| 2000 | Chevrolet | Express 2500 | Front | with 7,300 LB GVW; R-Line |
| 2000 | GMC | Savana 2500 | Front | with 7,300 LB GVW; R-Line |
| 1999 | Chevrolet | Express 2500 | Front | with 7,300 LB GVW; R-Line |
| 1999 | GMC | Savana 2500 | Front | with 7,300 LB GVW; R-Line |
| 1998 | Chevrolet | C2500 | Front | Replaces 56579RGS; Raybestos R-Line |
| 1998 | Chevrolet | Express 2500 | Front | with 7,300 LB GVW; R-Line |
| 1998 | GMC | C2500 | Front | with 7,200 LB GVW; R-Line |
| 1998 | GMC | Savana 2500 | Front | with 7,300 LB GVW; R-Line |
| 1997 | Chevrolet | C2500 | Front | Replaces 56579RGS; Raybestos R-Line |
| 1997 | Chevrolet | Express 2500 | Front | with 7,300 LB GVW; R-Line |
| 1997 | GMC | C2500 | Front | with 7,200 LB GVW; R-Line |
| 1997 | GMC | Savana 2500 | Front | with 7,300 LB GVW; R-Line |
| 1996 | Chevrolet | C2500 | Front | 7,200 Lb. GVW; R-Line |
| 1996 | Chevrolet | Express 2500 | Front | with 7,300 LB GVW; R-Line |
| 1996 | GMC | C2500 | Front | with 7,200 LB GVW; R-Line |
| 1996 | GMC | Savana 2500 | Front | with 7,300 LB GVW; R-Line |
| 1995 | Chevrolet | C2500 | Front | Replaces 56579RGS; Raybestos R-Line |
| 1995 | GMC | C2500 | Front | with 7,200 LB GVW; 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.