/live/media/RS/RS_56750R_Fro.jpg)
OE Quality
60-Day Returns
Raybestos 56750R Disc Brake Rotor and Hub Assembly - Front
Overview of Raybestos R-Line Disc Brake Rotor and Hub Assembly
The Raybestos R-Line 56750R disc brake rotor and hub assembly is engineered for reliable braking performance on Chevrolet and GMC P30 and P3500 models. Designed to meet precise specifications, this assembly ensures proper fit and function for your vehicle's braking system.
- Compatible with Chevrolet and GMC P30 and P3500 models
- Part number 56750R for accurate identification
- Includes disc brake rotor and hub assembly
- Mounting bolt hole quantity: 8 with 165.1 mm bolt circle diameter
- Nominal rotor thickness: 1.535 inches (39.000 mm)
- Discard rotor thickness: 1.465 inches (37.200 mm)
- Stud/lug hole quantity: 8 for secure wheel attachment
Detailed Product Specifications
This Raybestos R-Line disc brake rotor and hub assembly (part number 56750R) features a nominal thickness of 1.535 inches (39.000 mm) and a discard thickness of 1.465 inches (37.200 mm), ensuring optimal rotor life and safety. The assembly includes 8 mounting bolt holes arranged on a 165.1 mm bolt circle diameter, with each hole measuring 0.600 inches (15.250 mm) in diameter. The 8 stud/lug holes provide a secure fit for wheel mounting, maintaining proper alignment and braking efficiency.
About the Raybestos R-Line Product Line
The R-Line by Raybestos is a product line focused on delivering dependable brake components that meet or exceed OEM specifications. This line is designed to provide consistent performance and durability for commercial and heavy-duty vehicles, such as the Chevrolet and GMC P30 and P3500. The 56750R assembly reflects the R-Line’s commitment to quality and fitment precision.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Addressing rotor thickness below manufacturer discard limits
- Resolving hub assembly wear leading to wheel vibration
- Upgrading brake components for improved stopping power on P30 and P3500
- Ensuring proper mounting bolt alignment and secure wheel fitment
Installation Notes and Tips
When installing the Raybestos R-Line 56750R rotor and hub assembly, verify compatibility with Chevrolet and GMC P30 or P3500 models. Ensure mounting surfaces are clean and free of debris before installation. Torque mounting bolts to manufacturer specifications to maintain proper fit and function. Inspect wheel studs and lug nuts for wear during installation to avoid future issues.
Quality Assurance and Warranty
Raybestos R-Line brake components are manufactured to meet stringent quality standards, ensuring reliable performance and safety. While specific warranty details for part number 56750R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship under normal use conditions.
| Brand | Raybestos |
|---|---|
| Part Number | 56750R |
| Position | R-Line, Front |
| Discard Thickness | 1.465 |
| Discard Thickness | 37.200 |
| Mounting Bolt Hole Circle Diameter | 6.500 |
| Mounting Bolt Hole Circle Diameter | 165.100 |
| Mounting Bolt Hole Diameter | 0.600 |
| Mounting Bolt Hole Diameter | 15.250 |
| Mounting Bolt Hole Quantity | 8 |
| Nominal Thickness | 1.535 |
| Nominal Thickness | 39.000 |
| Stud/Lug Hole Quantity | 8 |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Chevrolet | P30 | Front | with 4,400lb Front Axle; With Dual Rear Wheels; with Front I-Beam Axle; R-Line |
| 1999 | GMC | P3500 | Front | With Dual Rear Wheels; with Front I-Beam Axle; with 13 IN x 3-1/2 IN Brakes; R-Line |
| 1998 | Chevrolet | P30 | Front | with 4,400lb Front Axle; With Dual Rear Wheels; with Front I-Beam Axle; R-Line |
| 1998 | GMC | P3500 | Front | With Dual Rear Wheels; with Front I-Beam Axle; with 13 IN x 3-1/2 IN Brakes; R-Line |
| 1997 | Chevrolet | P30 | Front | with 4,400lb Front Axle; With Dual Rear Wheels; with Front I-Beam Axle; R-Line |
| 1997 | GMC | P3500 | Front | With Dual Rear Wheels; with Front I-Beam Axle; with 13 IN x 3-1/2 IN Brakes; R-Line |
| 1996 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1996 | GMC | P3500 | Front | I-Beam FA; Raybestos R-Line |
| 1995 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1995 | GMC | P3500 | Front | I-Beam FA; Raybestos R-Line |
| 1994 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1994 | GMC | P3500 | Front | I-Beam FA; Raybestos R-Line |
| 1993 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1993 | GMC | P3500 | Front | I-Beam FA; Raybestos R-Line |
| 1992 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1992 | GMC | P3500 | Front | I-Beam FA; Raybestos R-Line |
| 1991 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1991 | GMC | P3500 | Front | I-Beam FA; Raybestos R-Line |
| 1990 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1990 | GMC | P3500 | Front | I-Beam FA; Raybestos R-Line |
| 1989 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1989 | GMC | P3500 | Front | I-Beam FA; Raybestos R-Line |
| 1988 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1988 | GMC | P3500 | Front | I-Beam FA; Raybestos R-Line |
| 1987 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1987 | GMC | P3500 | Front | I-Beam FA; Raybestos R-Line |
| 1986 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1986 | GMC | P3500 | Front | I-Beam FA; Raybestos R-Line |
| 1985 | Chevrolet | P30 | Front | I-Beam FA; Raybestos R-Line |
| 1985 | GMC | P3500 | Front | I-Beam FA; Raybestos 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.