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Raybestos 580366R Disc Brake Rotor - Rear
| Brand | Raybestos 580366R |
|---|---|
| Position | Rear |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Discard Thickness | 0.394 |
| Discard Thickness | 10.000 |
| Mounting Bolt Hole Circle Diameter | 4.331 |
| Mounting Bolt Hole Circle Diameter | 110.000 |
| Mounting Bolt Hole Diameter | 4.331 |
| Mounting Bolt Hole Diameter | 110.000 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 0.469 |
| Nominal Thickness | 11.900 |
| Outside Diameter | 10.942 |
| Outside Diameter | 277.950 |
| Overall Height | 1.638 |
| Overall Height | 41.600 |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Quantity | 5 |
| Product line | R-Line |
| Fits | Saturn and Pontiac · 8 vehicles |
Conventional rotor. Solid design for dependable braking performance.
Five-lug fitment. Mounting pattern supports secure, straightforward installation.
R-Line series. A Raybestos line focused on everyday replacement needs.
Cross-references Centric Parts 120.62094, Centric Parts 121.62094 and DuraGo BR900382 for the same application. See all 32.
Raybestos R-Line Rear Brake Rotor
The Raybestos R-Line 580366R is a solid rear disc brake rotor built for direct-fit service on select Pontiac Solstice and Saturn Sky applications. With a 10.942-inch outside diameter, 11.900 mm nominal thickness, and 5-lug mounting pattern, it matches the dimensional requirements needed for a proper rear brake replacement.
Raybestos R-Line focuses on dependable replacement brake components for everyday repair work. This rotor is a conventional, drum-in-hat style rear rotor with a 110 mm bolt circle and 5 mounting bolt holes, making it a straightforward option for vehicles that need a rear brake rotor replacement with OE-style dimensions.
- Part number: 580366R
- Rear disc brake rotor for select 2006-2010 Pontiac Solstice and 2007-2010 Saturn Sky applications
- Solid rotor construction for conventional rear brake setups
- Outside diameter: 10.942 in. / 277.950 mm
- Nominal thickness: 0.469 in. / 11.900 mm
- Discard thickness: 0.394 in. / 10.000 mm
- Overall height: 1.638 in. / 41.600 mm
- 5 mounting bolt holes and 5 stud/lug holes
- 110 mm bolt circle diameter
- Conventional drum-in-hat rotor design
Use the Raybestos 580366R when replacing a worn rear rotor on a Pontiac Solstice or Saturn Sky with the listed fitment. This rotor cross-references DuraGo BR900382 and Standard Ignition 27427 for the same application. The Raybestos 580366R is also listed under Raybestos Brakes 580366 and 580366R, which helps when matching brake parts across catalogs.
What This Rotor Helps Address
- Rear brake pulsation caused by rotor wear or thickness variation
- Brake noise related to a worn or uneven rotor surface
- Reduced braking consistency from a rotor at or near discard thickness
- Service needs on rear brake systems for Pontiac Solstice and Saturn Sky models
- Replacement of a conventional solid rear rotor with OE-style dimensions
Installation Notes and Tips
Confirm rotor diameter, bolt pattern, and overall height before installation. Clean the hub mounting surface thoroughly to help prevent runout-related brake pulsation, and inspect pads, caliper hardware, and wheel bearings during service. After installation, follow the vehicle manufacturer’s brake bedding procedure for proper pad and rotor seating.
Quality Assurance
Raybestos R-Line brake components are built for routine replacement service and dimensional accuracy. Verify fitment against the vehicle application before installation. Warranty information was not provided in the product data.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Saturn | Sky | Rear | R-Line |
| 2009 | Pontiac | Solstice | Rear | R-Line |
| 2009 | Saturn | Sky | Rear | R-Line |
| 2008 | Pontiac | Solstice | Rear | R-Line |
| 2008 | Saturn | Sky | Rear | R-Line |
| 2007 | Pontiac | Solstice | Rear | R-Line |
| 2007 | Saturn | Sky | Rear | R-Line |
| 2006 | Pontiac | Solstice | Rear | R-Line |
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