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Raybestos 56957R Disc Brake Rotor - Rear
Overview of Raybestos R-Line Disc Brake Rotor 56957R
The Raybestos R-Line Disc Brake Rotor 56957R is engineered for reliable braking performance on Cadillac DeVille and DTS models. This solid, drum-in-hat type rotor is designed to meet precise fitment specifications for these vehicles, ensuring consistent stopping power and durability.
- Compatible with Cadillac DeVille and DTS models
- Part number 56957R for exact replacement
- Solid disc brake rotor with drum-in-hat design
- Outside diameter of 12.8 inches (325.1 mm)
- Nominal thickness of 0.785 inches (19.95 mm) with discard thickness at 0.728 inches (18.5 mm)
- Overall height of 3.345 inches (84.95 mm)
- Eight mounting bolt holes with a bolt circle diameter of 6.5 inches (165.1 mm)
- Center hole diameter of 4.65 inches (118.1 mm)
Raybestos R-Line Product Line Details
The R-Line by Raybestos focuses on delivering dependable brake components that meet or exceed OEM specifications. This product line emphasizes precise engineering and quality materials, making the 56957R rotor a suitable choice for maintaining the braking integrity of Cadillac DeVille and DTS vehicles. The R-Line rotors are designed to provide consistent performance and durability under normal driving conditions.
Technical Specifications and Features
The 56957R rotor features a solid construction with a drum-in-hat design, integrating a parking brake drum within the rotor assembly. This design is common for certain Cadillac models, combining braking functions efficiently. The rotor measures 12.8 inches in outside diameter, with a nominal thickness of 0.785 inches and a discard thickness of 0.728 inches, indicating when replacement is necessary to maintain safe braking performance. The overall height of 3.345 inches ensures proper fitment within the brake assembly. The rotor includes eight mounting bolt holes arranged on a 6.5-inch bolt circle diameter, and a center hole diameter of 4.65 inches, matching the hub specifications of the compatible vehicles.
Applications and Problem Solving
- Replacement for worn or warped rotors on Cadillac DeVille and DTS
- Addresses brake pulsation and vibration issues
- Restores proper braking surface thickness for safe stopping
- Solves noise and uneven brake pad wear caused by rotor defects
- Maintains parking brake functionality with integrated drum-in-hat design
Installation Notes and Tips
When installing the Raybestos R-Line 56957R rotor, ensure the mounting surface and hub are clean and free of debris to prevent runout. Verify the rotor thickness before installation to confirm it meets nominal specifications. Use proper torque settings on the eight mounting bolts to secure the rotor evenly. Since this rotor includes a drum-in-hat design, inspect the parking brake components for wear and replace as necessary to maintain full braking functionality.
Quality Assurance and Warranty
Raybestos R-Line rotors are manufactured to meet OEM standards, providing reliable performance and durability. While specific warranty details for part number 56957R are not provided here, Raybestos typically offers limited warranties covering defects in material and workmanship. It is recommended to consult the product packaging or Raybestos directly for exact warranty terms.
| Brand | Raybestos |
|---|---|
| Part Number | 56957R |
| Position | R-Line, Rear |
| Center Hole Diameter | 4.650 |
| Center Hole Diameter | 118.100 |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| Discard Thickness | 0.728 |
| Discard Thickness | 18.500 |
| Mounting Bolt Hole Circle Diameter | 6.500 |
| Mounting Bolt Hole Circle Diameter | 165.100 |
| Mounting Bolt Hole Diameter | 6.500 |
| Mounting Bolt Hole Diameter | 165.100 |
| Mounting Bolt Hole Quantity | 8 |
| Nominal Thickness | 0.785 |
| Nominal Thickness | 19.950 |
| Outside Diameter | 12.800 |
| Outside Diameter | 325.100 |
| Overall Height | 3.345 |
| Overall Height | 84.950 |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Quantity | 8 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Cadillac | DTS | Rear | GM Brake Code J55; with 8 Lug Wheels; R-Line |
| 2010 | Cadillac | DTS | Rear | GM Brake Code J55; with 8 Lug Wheels; R-Line |
| 2009 | Cadillac | DTS | Rear | GM Brake Code J55; with 8 Lug Wheels; R-Line |
| 2008 | Cadillac | DTS | Rear | GM Brake Code J55; with 8 Lug Wheels; R-Line |
| 2007 | Cadillac | DTS | Rear | GM Brake Code J55; with 8 Lug Wheels; R-Line |
| 2006 | Cadillac | DTS | Rear | GM Brake Code J55; with 8 Lug Wheels; R-Line |
| 2005 | Cadillac | DeVille | Rear | GM Brake Code J55; with 8 Lug Wheels; R-Line |
| 2004 | Cadillac | DeVille | Rear | GM Brake Code J55; with 8 Lug Wheels; R-Line |
| 2003 | Cadillac | DeVille | Rear | GM Brake Code J55; with 8 Lug Wheels; R-Line |
| 2002 | Cadillac | DeVille | Rear | GM Brake Code J55; with 8 Lug Wheels; R-Line |
| 2001 | Cadillac | DeVille | Rear | GM Brake Code J55; with 8 Lug Wheels; R-Line |
| 2000 | Cadillac | DeVille | Rear | GM Brake Code J55; with 8 Lug Wheels; 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.