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Raybestos 56397 Disc Brake Rotor and Hub Assembly - Front
Overview of Raybestos Specialty - Truck Disc Brake Rotor and Hub Assembly
The Raybestos Specialty - Truck Disc Brake Rotor and Hub Assembly, part number 56397, is engineered for reliable braking performance on heavy-duty vehicles. Designed specifically for Chevrolet and GMC trucks including the G30, P30, and P3500 models, this assembly ensures proper fit and function for demanding truck applications.
- Compatible with Chevrolet G30, GMC P30, and P3500 models
- Includes disc brake rotor and hub assembly for integrated installation
- Mounting bolt hole quantity: 8 for secure attachment
- Mounting bolt hole circle diameter: 165.1 mm (6.5 inches)
- Nominal rotor thickness: 1.535 inches (39.000 mm)
- Discard rotor thickness: 1.465 inches (37.200 mm)
- Stud/lug hole quantity: 8 for proper wheel fitment
Detailed Product Specifications
This disc brake rotor and hub assembly features a nominal thickness of 1.535 inches (39.000 mm), providing sufficient material for effective heat dissipation and braking performance. The discard thickness is 1.465 inches (37.200 mm), indicating the minimum safe thickness before replacement is necessary. The assembly includes eight mounting bolt holes with a circle diameter of 165.1 mm (6.5 inches) and a bolt hole diameter of 0.600 inches, ensuring compatibility with the specified Chevrolet and GMC truck models. The hub assembly is designed with eight stud/lug holes to accommodate the wheel mounting requirements of these vehicles.
About the Raybestos Specialty - Truck Product Line
The Specialty - Truck line from Raybestos focuses on heavy-duty brake components tailored for truck applications. This product line addresses the specific demands of commercial and fleet vehicles by providing durable, reliable brake parts engineered to meet OEM specifications. The 56397 disc brake rotor and hub assembly is part of this line, offering a direct replacement solution for Chevrolet and GMC trucks requiring robust braking components.
Common Applications and Problem Solving
- Replacement of worn or damaged disc brake rotors and hubs on Chevrolet G30, GMC P30, and P3500 trucks
- Resolving brake pulsation or vibration caused by rotor wear or warping
- Addressing wheel hub noise or looseness due to hub assembly wear
- Improving braking performance and safety on heavy-duty truck applications
- Ensuring proper wheel alignment and fitment with correct bolt hole pattern and stud count
Installation Notes and Tips
When installing the Raybestos 56397 disc brake rotor and hub assembly, ensure the mounting surfaces are clean and free of debris. Verify the bolt hole pattern and stud count match the vehicle specifications. Torque mounting bolts to manufacturer-recommended specifications to avoid premature wear or failure. It is advisable to inspect related brake components such as pads and calipers during installation for optimal system performance.
Quality Assurance and Warranty
Raybestos products are manufactured to meet or exceed OEM standards for durability and performance. The Specialty - Truck line undergoes rigorous quality control to ensure reliability in heavy-duty applications. While specific warranty details for part number 56397 should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship.
| Brand | Raybestos |
|---|---|
| Part Number | 56397 |
| Position | Specialty - Truck, 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 15 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Chevrolet | P30 | Front | w/ Independent Front Suspension; with 4,000lb Front Axle; with 4,600lb Front Axle; With Dual Rear Wheels; Specialty - Truck |
| 1999 | GMC | P3500 | Front | w/ Independent Front Suspension; with 13 IN x 2-1/2 IN Brakes; With Dual Rear Wheels; Specialty - Truck |
| 1998 | Chevrolet | P30 | Front | w/ Independent Front Suspension; with 4,000lb Front Axle; with 4,600lb Front Axle; With Dual Rear Wheels; Specialty - Truck |
| 1998 | GMC | P3500 | Front | w/ Independent Front Suspension; with 13 IN x 2-1/2 IN Brakes; With Dual Rear Wheels; Specialty - Truck |
| 1997 | Chevrolet | P30 | Front | w/ Independent Front Suspension; with 4,000lb Front Axle; with 4,600lb Front Axle; With Dual Rear Wheels; Specialty - Truck |
| 1997 | GMC | P3500 | Front | w/ Independent Front Suspension; with 13 IN x 2-1/2 IN Brakes; With Dual Rear Wheels; Specialty - Truck |
| 1996 | Chevrolet | G30 | Front | Fits vehicles with dual rear wheels.; Specialty - Truck |
| 1996 | Chevrolet | P30 | Front | with Dual Rear Wheels (DRW); Raybestos Specialty - Truck |
| 1996 | GMC | G3500 | Front | Fits vehicles with dual rear wheels.; Specialty - Truck |
| 1995 | Chevrolet | G30 | Front | Fits vehicles with dual rear wheels.; Specialty - Truck |
| 1995 | GMC | G3500 | Front | Fits vehicles with dual rear wheels.; Specialty - Truck |
| 1994 | Chevrolet | G30 | Front | Fits vehicles with dual rear wheels.; Specialty - Truck |
| 1994 | GMC | G3500 | Front | Fits vehicles with dual rear wheels.; Specialty - Truck |
| 1993 | Chevrolet | G30 | Front | Fits vehicles with dual rear wheels.; Specialty - Truck |
| 1993 | GMC | G3500 | Front | Fits vehicles with dual rear wheels.; Specialty - Truck |
* 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.