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PowerStop AR8650SCR Disc Brake Rotor - Front
| Brand | PowerStop AR8650SCR |
|---|---|
| Position | Front |
| Discard Thickness | 1.08 |
| Discard Thickness | 27.50 |
| Nominal Thickness | 1.14 |
| Nominal Thickness | 29.00 |
| Balancing Type | Mill balanced |
| Construction | Full cast |
| Rust Resistant Coating | Yes |
| Overall Height | 2.15 |
| Overall Height | 54.60 |
| Outside Diameter | 12.76 |
| Outside Diameter | 324.00 |
| ABS Tone Ring Included | No |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Vented |
| Mounting Bolt Hole Circle Diameter | 127.00 |
| Mounting Bolt Hole Circle Diameter | 5.00 |
| Stud/Lug Hole Quantity | 6 |
| Product line | PowerStop - Front Coated Hat and Edge Rotor |
| Fits | Buick, Chevrolet, GMC, Isuzu, and Saab · 40 vehicles |
OE-style replacement. Direct bolt-on design matches original equipment specifications.
Corrosion-resistant coating. Silver epoxy protects the hat, edge, and vanes from rust.
Vented full cast rotor. Smooth surface and mill-balanced construction support consistent braking.
Cross-references 8-18060-665-0, 18 06 0665 and 25 82 6103 for the same application. See all 4.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Coated Front Brake Rotor
PowerStop AR8650SCR is a front disc brake rotor built as a direct bolt-on replacement for original equipment. It uses a partially coated design with corrosion-resistant protection on the hat, outer edge, and vanes to help preserve appearance behind alloy wheels.
Key Features
- Direct bolt-on replacement for OE-style brake service
- Silver epoxy coating on corrosion-prone areas
- Vented, full cast construction with smooth surface type
- Mill balanced for consistent operation
- Matches OE weight and vane count for fitment accuracy
- 12.76 in. outside diameter, 5.00 in. bolt circle, 6-lug pattern
Detailed Description
The PowerStop Front Coated Hat and Edge Rotor line is engineered for drivers who want an OE-style replacement with added corrosion protection. This AR8650SCR rotor is designed to match original equipment performance and specifications, including weight and vane count, while the coated hat and edge help reduce visible rust in exposed areas. It is a strong fit for Chevrolet Trailblazer, GMC Envoy, and Buick Rainier front brake applications where correct dimensions and vented rotor construction matter. This part cross-references Monroe Shocks & Struts (e.g., 8-18060-665-0, 18 06 0665) for the same application.
What It Is Used For
- Replacing a worn or rusted front brake rotor
- Restoring smooth braking performance after rotor wear
- Addressing vibration or pulsation caused by rotor condition
- Replacing a rotor with corrosion on the hat or outer edge
- Maintaining correct OE-style brake dimensions and balance
Installation Notes and Tips
Verify rotor diameter, bolt circle, and vented construction before installation. Confirm front application and compare the existing rotor to the listed dimensions for proper fitment on the Chevrolet Trailblazer, GMC Envoy, and related applications. Clean the hub mounting surface before installing the new rotor to help ensure even seating.
Quality Assurance
PowerStop designs this rotor to match original equipment specifications for fitment and performance, including weight and vane count. The coated surfaces are intended to resist corrosion in exposed areas and help maintain a cleaner appearance behind the wheel.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | GMC | Envoy | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2009 | Saab | 9-7x | 5.3i | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2008 | Chevrolet | Trailblazer | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2008 | GMC | Envoy | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2008 | Saab | 9-7x | 5.3i | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2007 | Buick | Rainier | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2007 | Chevrolet | Trailblazer | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2007 | GMC | Envoy | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2007 | Saab | 9-7x | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2006 | Buick | Rainier | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2006 | Chevrolet | SSR | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2006 | Chevrolet | Trailblazer | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2006 | Chevrolet | Trailblazer EXT | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2006 | GMC | Envoy | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2006 | GMC | Envoy XL | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2006 | Isuzu | Ascender | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2006 | Saab | 9-7x | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2005 | Buick | Rainier | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2005 | Chevrolet | SSR | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2005 | Chevrolet | Trailblazer EXT | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2005 | GMC | Envoy | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2005 | GMC | Envoy XL | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2005 | GMC | Envoy XUV | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2005 | Isuzu | Ascender | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2005 | Saab | 9-7x | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2004 | Buick | Rainier | — | 5.3L | V8 | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2004 | Chevrolet | SSR | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2004 | Chevrolet | Trailblazer | — | — | — | Front | Extended; PowerStop - Front Coated Hat and Edge Rotor |
| 2004 | Chevrolet | Trailblazer EXT | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2004 | GMC | Envoy XL | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2004 | GMC | Envoy XUV | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2004 | Isuzu | Ascender | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2003 | Chevrolet | SSR | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2003 | Chevrolet | Trailblazer | — | — | — | Front | Extended; PowerStop - Front Coated Hat and Edge Rotor |
| 2003 | Chevrolet | Trailblazer EXT | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2003 | GMC | Envoy XL | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2003 | Isuzu | Ascender | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2002 | Chevrolet | Trailblazer | — | — | — | Front | Extended; PowerStop - Front Coated Hat and Edge Rotor |
| 2002 | Chevrolet | Trailblazer EXT | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
| 2002 | GMC | Envoy XL | — | — | — | Front | PowerStop - Front Coated Hat and Edge Rotor |
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