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Raybestos 56629R Disc Brake Rotor - Rear
Overview of Raybestos R-Line Disc Brake Rotor 56629R
The Raybestos R-Line Disc Brake Rotor 56629R is engineered for reliable braking performance on select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed as a solid, drum-in-hat type rotor, it offers precise fitment and consistent durability for models like the Chevrolet Impala and Pontiac Grand Prix.
- Solid disc brake rotor with drum-in-hat design
- Outside diameter: 10.94 inches (277.9 mm)
- Nominal thickness: 0.435 inches (11.05 mm)
- Discard thickness: 0.354 inches (9.00 mm)
- Overall height: 1.98 inches (50.3 mm)
- Mounting bolt hole quantity: 5 with 118 mm bolt circle diameter
- Center hole diameter: 2.782 inches (70.65 mm)
- Compatible with multiple GM makes and models
Raybestos R-Line Product Line Details
The R-Line by Raybestos focuses on delivering dependable brake components that meet or exceed original equipment specifications. This line emphasizes solid construction and precise dimensions, ensuring that the 56629R rotor maintains proper fit and function for vehicles requiring a drum-in-hat rotor design. The R-Line is suitable for drivers seeking a direct replacement part with consistent performance characteristics.
Technical Specifications and Fitment
The 56629R rotor features a solid rotor type with a drum-in-hat configuration, which integrates the parking brake drum into the rotor assembly. Its 10.94-inch outside diameter and 1.98-inch overall height are designed to match factory specifications for select Buick, Chevrolet, Oldsmobile, and Pontiac models including the Chevrolet Monte Carlo and Buick Regal. The rotor includes five mounting bolt holes arranged on a 118 mm bolt circle diameter, ensuring secure installation. Nominal thickness is 0.435 inches, with a discard thickness of 0.354 inches, indicating when the rotor should be replaced to maintain safe braking performance.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Addressing rotor thickness below manufacturer discard limits
- Resolving noise or vibration issues related to rotor surface wear
- Upgrading to a direct-fit rotor for vehicles with drum-in-hat parking brake systems
- Ensuring proper fitment on Buick Alero, Chevrolet Impala, Pontiac Grand Am, and similar models
Installation Notes and Tips
When installing the Raybestos R-Line 56629R rotor, ensure the mounting surface is clean and free of rust or debris. Verify that the rotor thickness meets nominal specifications before installation. Use proper torque settings on the five mounting bolts to avoid rotor distortion. This rotor is designed for vehicles equipped with drum-in-hat parking brakes, so confirm compatibility with your vehicle’s brake system. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.
Quality Assurance and Warranty
Raybestos manufactures the R-Line 56629R rotor to meet stringent quality standards, providing consistent dimensions and material integrity. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.
| Brand | Raybestos |
|---|---|
| Part Number | 56629R |
| Position | R-Line, Rear |
| Center Hole Diameter | 2.782 |
| Center Hole Diameter | 70.650 |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| Discard Thickness | 0.354 |
| Discard Thickness | 9.000 |
| 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 | 0.435 |
| Nominal Thickness | 11.050 |
| Outside Diameter | 10.940 |
| Outside Diameter | 277.900 |
| Overall Height | 1.980 |
| Overall Height | 50.300 |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Quantity | 5 |
This part fits 61 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Buick | Century | Rear | R-Line |
| 2005 | Chevrolet | Impala | Rear | R-Line |
| 2005 | Chevrolet | Monte Carlo | Rear | R-Line |
| 2005 | Pontiac | Grand Am | Rear | R-Line |
| 2004 | Buick | Century | Rear | R-Line |
| 2004 | Buick | Regal | Rear | R-Line |
| 2004 | Chevrolet | Impala | Rear | R-Line |
| 2004 | Chevrolet | Monte Carlo | Rear | R-Line |
| 2004 | Oldsmobile | Alero | Rear | R-Line |
| 2004 | Pontiac | Grand Am | Rear | R-Line |
| 2003 | Buick | Century | Rear | R-Line |
| 2003 | Buick | Regal | Rear | R-Line |
| 2003 | Chevrolet | Impala | Rear | R-Line |
| 2003 | Chevrolet | Monte Carlo | Rear | R-Line |
| 2003 | Oldsmobile | Alero | Rear | R-Line |
| 2003 | Pontiac | Grand Am | Rear | R-Line |
| 2003 | Pontiac | Grand Prix | Rear | R-Line |
| 2002 | Buick | Century | Rear | R-Line |
| 2002 | Buick | Regal | Rear | R-Line |
| 2002 | Chevrolet | Impala | Rear | R-Line |
| 2002 | Chevrolet | Monte Carlo | Rear | R-Line |
| 2002 | Oldsmobile | Alero | Rear | R-Line |
| 2002 | Oldsmobile | Intrigue | Rear | R-Line |
| 2002 | Pontiac | Grand Am | Rear | R-Line |
| 2002 | Pontiac | Grand Prix | Rear | R-Line |
| 2001 | Buick | Century | Rear | R-Line |
| 2001 | Buick | Regal | Rear | R-Line |
| 2001 | Chevrolet | Impala | Rear | R-Line |
| 2001 | Chevrolet | Monte Carlo | Rear | R-Line |
| 2001 | Oldsmobile | Alero | Rear | R-Line |
| 2001 | Oldsmobile | Intrigue | Rear | R-Line |
| 2001 | Pontiac | Grand Am | Rear | R-Line |
| 2001 | Pontiac | Grand Prix | Rear | R-Line |
| 2001 | Pontiac | Montana | Rear | R-Line |
| 2000 | Buick | Century | Rear | R-Line |
| 2000 | Buick | Regal | Rear | R-Line |
| 2000 | Chevrolet | Impala | Rear | R-Line |
| 2000 | Chevrolet | Monte Carlo | Rear | R-Line |
| 2000 | Oldsmobile | Alero | Rear | R-Line |
| 2000 | Oldsmobile | Intrigue | Rear | R-Line |
| 2000 | Pontiac | Grand Am | Rear | R-Line |
| 2000 | Pontiac | Grand Prix | Rear | R-Line |
| 2000 | Pontiac | Montana | Rear | R-Line |
| 1999 | Buick | Century | Rear | R-Line |
| 1999 | Buick | Regal | Rear | R-Line |
| 1999 | Buick | Riviera | Rear | Replaces 56629RGS; Raybestos R-Line |
| 1999 | Oldsmobile | Alero | Rear | R-Line |
| 1999 | Oldsmobile | Intrigue | Rear | R-Line |
| 1999 | Pontiac | Grand Am | Rear | R-Line |
| 1999 | Pontiac | Grand Prix | Rear | R-Line |
| 1999 | Pontiac | Montana | Rear | R-Line |
| 1999 | Pontiac | Trans Sport | Rear | R-Line |
| 1998 | Buick | Century | Rear | R-Line |
| 1998 | Buick | Regal | Rear | R-Line |
| 1998 | Oldsmobile | Intrigue | Rear | R-Line |
| 1998 | Pontiac | Grand Prix | Rear | R-Line |
| 1998 | Pontiac | Trans Sport | Rear | R-Line |
| 1997 | Buick | Century | Rear | R-Line |
| 1997 | Buick | Regal | Rear | R-Line |
| 1997 | Pontiac | Grand Prix | Rear | R-Line |
| 1997 | Pontiac | Trans Sport | 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.