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Raybestos 582690R Disc Brake Rotor - Rear
Overview of Raybestos R-Line Disc Brake Rotor 582690R
The Raybestos R-Line Disc Brake Rotor 582690R is engineered for reliable braking performance on Cadillac CT4 models. Crafted from durable cast iron, this vented rotor is designed to maintain optimal heat dissipation and consistent stopping power under various driving conditions.
- Material: Cast iron for strength and heat resistance
- Vented rotor design for improved cooling
- Nominal thickness: 0.909 inches (23.100 mm)
- Discard thickness: 0.787 inches (20.000 mm)
- Outside diameter: 12.402 inches (315.000 mm)
- Inside diameter: 8.169 inches (207.500 mm)
- Mounting bolt hole quantity: 5 with 4.528 inches (115.000 mm) bolt circle diameter
- Surface type: Smooth for consistent pad contact
- Conventional rotor type compatible with drum-in-hat systems
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 quality materials and precise manufacturing processes, ensuring that the 582690R disc brake rotor provides consistent performance and durability tailored for vehicles like the Cadillac CT4.
Detailed Product Description
The 582690R disc brake rotor is constructed from cast iron, a material known for its excellent thermal conductivity and wear resistance. Its vented design allows air to flow between the rotor surfaces, reducing heat buildup during braking and minimizing the risk of brake fade. With a nominal thickness of 0.909 inches and a discard thickness of 0.787 inches, this rotor maintains structural integrity throughout its service life. The smooth surface finish ensures even brake pad wear and reliable stopping power. Designed with five mounting bolt holes on a 115 mm bolt circle diameter, it fits securely on the Cadillac CT4's hub assembly.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Addressing reduced braking efficiency due to rotor overheating
- Eliminating noise and vibration from uneven rotor surfaces
- Upgrading from drum-in-hat rotors to maintain OEM braking feel
- Ensuring proper fitment and compatibility with Cadillac CT4 brake systems
Installation Notes and Tips
When installing the Raybestos R-Line 582690R rotor, ensure the hub surface is clean and free of rust or debris to promote proper rotor seating. Torque the mounting bolts to the manufacturer’s specifications to avoid rotor warping. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor longevity. Verify the rotor thickness before installation to confirm it meets the minimum discard thickness.
Quality Assurance and Warranty
Raybestos R-Line rotors are manufactured under strict quality control standards to meet OEM requirements. The cast iron material and vented design contribute to consistent braking performance and durability. While specific warranty details for part number 582690R are not provided here, Raybestos typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Raybestos |
|---|---|
| Part Number | 582690R |
| Position | R-Line, Rear |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Discard Thickness | 0.787 |
| Discard Thickness | 20.000 |
| Inside Diameter | 8.169 |
| Inside Diameter | 207.500 |
| Material | Cast Iron |
| Mounting Bolt Hole Circle Diameter | 4.528 |
| Mounting Bolt Hole Circle Diameter | 115.000 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 0.909 |
| Nominal Thickness | 23.100 |
| Outside Diameter | 12.402 |
| Outside Diameter | 315.000 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2025 | Cadillac | CT4 | Rear | Raybestos R-Line | |
| 2024 | Cadillac | CT4 | Rear | GM Brake Code J55; Raybestos R-Line | |
| 2023 | Cadillac | CT4 | Luxury | Rear | Raybestos R-Line |
| 2022 | Cadillac | CT4 | Luxury | Rear | Raybestos R-Line |
| 2021 | Cadillac | CT4 | Rear | R-Line | |
| 2020 | Cadillac | CT4 | 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.