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Raybestos 56655R Disc Brake Rotor - Front
Reliable Disc Brake Rotor for Chevrolet, Oldsmobile, and Pontiac
The Raybestos R-Line 56655R disc brake rotor is engineered to meet the braking needs of Chevrolet Malibu, Oldsmobile Alero, and Pontiac Grand Am models. Designed with precision, this vented rotor ensures consistent performance and durability under various driving conditions.
- Vented disc brake rotor for improved heat dissipation
- Overall diameter of 10.94 inches (277.9 mm) for precise fitment
- Nominal thickness of 1.025 inches (26.05 mm) with discard thickness at 0.972 inches (24.7 mm)
- Five mounting bolt holes with a bolt circle diameter of 4.646 inches (118 mm)
- Center hole diameter of 2.783 inches (70.7 mm) for accurate hub alignment
- Conventional rotor design compatible with drum-in-hat setups
Raybestos R-Line Product Line Overview
The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components for a range of domestic vehicles. This line emphasizes durability and consistent braking performance, making it suitable for drivers who require dependable replacement parts. The 56655R rotor is part of this line, offering vented construction to help manage heat buildup and maintain braking efficiency.
Technical Details and Specifications
This disc brake rotor features a vented design that enhances cooling during braking, reducing the risk of warping and brake fade. The rotor’s nominal thickness is 1.025 inches (26.05 mm), with a discard thickness of 0.972 inches (24.7 mm), indicating when replacement is necessary to maintain safe braking performance. The overall height measures 1.925 inches (48.9 mm), and the rotor includes five mounting bolt holes arranged on a 4.646-inch (118 mm) bolt circle diameter. The center hole diameter of 2.783 inches (70.7 mm) ensures proper fitment on compatible hubs. This rotor is designed for use on Chevrolet Malibu, Oldsmobile Alero, and Pontiac Grand Am vehicles, providing a direct replacement for original equipment parts.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Addressing reduced braking efficiency due to rotor thickness below discard limits
- Improving heat dissipation to prevent brake fade during extended use
- Restoring proper rotor fitment and alignment on Chevrolet Malibu, Oldsmobile Alero, and Pontiac Grand Am
- Resolving noise or vibration issues related to damaged or uneven rotors
Installation Notes and Tips
Ensure the rotor surface and hub mounting area are clean and free of rust or debris before installation. Verify the rotor thickness is above the discard thickness specification of 0.972 inches (24.7 mm) to maintain safety standards. Use proper torque specifications for the five mounting bolts to avoid rotor distortion. It is recommended to replace brake pads simultaneously to ensure optimal braking performance and rotor longevity.
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 consistent thickness and structural integrity. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship, providing confidence in the durability of part number 56655R for Chevrolet Malibu, Oldsmobile Alero, and Pontiac Grand Am applications.
| Brand | Raybestos |
|---|---|
| Part Number | 56655R |
| Position | R-Line, Front |
| Center Hole Diameter | 2.783 |
| Center Hole Diameter | 70.700 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Discard Thickness | 0.972 |
| Discard Thickness | 24.700 |
| Mounting Bolt Hole Circle Diameter | 4.646 |
| Mounting Bolt Hole Circle Diameter | 118.000 |
| Mounting Bolt Hole Diameter | 4.646 |
| Mounting Bolt Hole Diameter | 118.000 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 1.025 |
| Nominal Thickness | 26.050 |
| Outside Diameter | 10.940 |
| Outside Diameter | 277.900 |
| Overall Height | 1.925 |
| Overall Height | 48.900 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 5 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Chevrolet | Classic | Front | R-Line |
| 2005 | Pontiac | Grand Am | Front | R-Line |
| 2004 | Chevrolet | Classic | Front | R-Line |
| 2004 | Oldsmobile | Alero | Front | R-Line |
| 2004 | Pontiac | Grand Am | Front | R-Line |
| 2003 | Chevrolet | Malibu | Front | R-Line |
| 2003 | Oldsmobile | Alero | Front | R-Line |
| 2003 | Pontiac | Grand Am | Front | R-Line |
| 2002 | Chevrolet | Malibu | Front | R-Line |
| 2002 | Oldsmobile | Alero | Front | R-Line |
| 2002 | Pontiac | Grand Am | Front | R-Line |
| 2001 | Chevrolet | Malibu | Front | R-Line |
| 2001 | Oldsmobile | Alero | Front | R-Line |
| 2001 | Pontiac | Grand Am | Front | R-Line |
| 2000 | Chevrolet | Malibu | Front | R-Line |
| 2000 | Oldsmobile | Alero | Front | R-Line |
| 2000 | Pontiac | Grand Am | Front | R-Line |
| 1999 | Chevrolet | Malibu | Front | R-Line |
| 1999 | Oldsmobile | Alero | Front | R-Line |
| 1999 | Oldsmobile | Cutlass | Front | with 10.94 IN Diameter Rotor; R-Line |
| 1999 | Pontiac | Grand Am | Front | R-Line |
| 1998 | Chevrolet | Malibu | Front | R-Line |
| 1998 | Oldsmobile | Cutlass | Front | with 10.94 IN Diameter Rotor; R-Line |
| 1997 | Chevrolet | Malibu | Front | R-Line |
| 1997 | Oldsmobile | Cutlass | Front | with 10.94 IN Diameter Rotor; 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.