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PowerStop AR8270SCR Disc Brake Rotor - Rear
| Brand | PowerStop AR8270SCR |
|---|---|
| Position | Rear |
| Discard Thickness | 0.35 |
| Discard Thickness | 9.00 |
| Nominal Thickness | 0.43 |
| Nominal Thickness | 11.00 |
| Balancing Type | Mill balanced |
| Construction | Full cast |
| Rust Resistant Coating | Yes |
| Overall Height | 1.82 |
| Overall Height | 46.20 |
| Outside Diameter | 11.43 |
| Outside Diameter | 290.30 |
| ABS Tone Ring Included | No |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Vented |
| Mounting Bolt Hole Circle Diameter | 115.00 |
| Mounting Bolt Hole Circle Diameter | 4.53 |
| Stud/Lug Hole Quantity | 5 |
| Product line | PowerStop - Rear Coated Hat and Edge Rotor |
| Fits | Buick, Chevrolet, Oldsmobile, and Pontiac · 21 vehicles |
OE-style replacement. Direct bolt-on fit with matched weight and vane count.
Corrosion-resistant coating. Silver epoxy protects the hat, edge, and vanes.
Vented full cast design. Smooth surface and mill-balanced construction for service use.
Cross-references 18060646 and 19149233 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Rear coated brake rotor
The PowerStop AR8270SCR is a rear disc brake rotor built as a direct bolt-on replacement for original equipment applications. It uses a partially coated design with corrosion-resistant protection on the hat, outer edge, and vanes to help preserve appearance behind alloy wheels.
Fits 2001-2007 Buick Rendezvous, rear; 2002-2005 Chevrolet Venture, rear; 2001-2005 Pontiac Aztek, rear; 2002-2004 Oldsmobile Silhouette, rear; and 2002-2004 Pontiac Montana, rear.
Key features
- Part number AR8270SCR for easy identification.
- Direct bolt-on replacement with OE-style fitment.
- Silver epoxy coating on corrosion-prone areas.
- Vented, full cast rotor construction.
- Mill balanced for consistent operation.
- Smooth surface and OE-matched weight and vane count.
Detailed description
PowerStop designed this coated hat and edge rotor to match original equipment performance and specifications while adding corrosion protection where it matters most. The vented, full cast construction and smooth braking surface support stable braking performance, while the coated hat, edge, and internal vanes help resist rust and maintain a cleaner look on vehicles with exposed wheels. The AR8270SCR is a practical replacement for rear brake service on the Buick Rendezvous, Chevrolet Venture, Pontiac Aztek, Oldsmobile Silhouette, and Pontiac Montana.
This part cross-references 18060646 and 19149233 for the same application.
What it helps address
- Rust buildup on exposed rotor surfaces.
- Brake pulsation caused by worn rear rotors.
- Reduced braking consistency from rotor wear.
- Unsightly corrosion behind alloy wheels.
Installation notes and tips
Verify rotor diameter, bolt circle, and thickness before installation. This rotor is a rear application and uses a 5-lug, vented design with a 115 mm bolt circle. Confirm the vehicle’s brake system specifications match the listed fitment before service.
Quality assurance
PowerStop builds this rotor to match OE performance and specifications, including weight and vane count, for confirmed fitment on the listed applications.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Buick | Rendezvous | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2006 | Buick | Rendezvous | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2005 | Buick | Rendezvous | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2005 | Chevrolet | Venture | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2005 | Pontiac | Aztek | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2004 | Buick | Rendezvous | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2004 | Chevrolet | Venture | AWD | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2004 | Oldsmobile | Silhouette | AWD | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2004 | Pontiac | Aztek | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2004 | Pontiac | Montana | AWD | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2003 | Buick | Rendezvous | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2003 | Chevrolet | Venture | AWD | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2003 | Oldsmobile | Silhouette | AWD | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2003 | Pontiac | Aztek | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2003 | Pontiac | Montana | AWD | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2002 | Buick | Rendezvous | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2002 | Chevrolet | Venture | AWD | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2002 | Oldsmobile | Silhouette | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2002 | Pontiac | Aztek | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2002 | Pontiac | Montana | AWD | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2001 | Pontiac | Aztek | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
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