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PowerStop AR8280 Disc Brake Rotor - Front
Power Stop Front OE Stock Replacement Brake Rotor Overview
The Power Stop - Front OE Stock Replacement Brake Rotor (Part Number AR8280) is engineered to meet the exact specifications of your vehicle's original equipment. Designed for front disc brake systems, this rotor ensures reliable stopping power and consistent performance for select Buick, Chevrolet, Pontiac, and Saturn models.
- Compatible with Buick Allure, Chevrolet LaCrosse, Grand Prix, Montana, Relay, Pontiac G6, Saturn Relay, Terraza, and Uplander
- Vented disc brake rotor design for improved heat dissipation
- Nominal thickness of 1.27 inches (32.20 mm) with discard thickness at 1.21 inches (30.70 mm)
- Outside diameter measures 11.70 inches (297.00 mm)
- Mounting bolt hole circle diameter of 4.60 inches (118.00 mm) with 5 lug holes
- Overall height of 2.10 inches (52.10 mm)
- Solid construction without rust resistant coating
Detailed Product Description
This Power Stop front disc brake rotor is designed as a direct OE stock replacement, matching the original rotor dimensions and specifications for a precise fit. The vented rotor design enhances cooling efficiency, reducing the risk of brake fade during extended use. With a nominal thickness of 1.27 inches and a discard thickness of 1.21 inches, this rotor maintains structural integrity and braking performance throughout its service life. The 11.70-inch outside diameter and 5-lug mounting pattern with a 4.60-inch bolt circle diameter ensure compatibility with the front brake assemblies of Buick Allure, Chevrolet LaCrosse, Grand Prix, Montana, Relay, Pontiac G6, Saturn Relay, Terraza, and Uplander models.
The rotor does not include a rust resistant coating, so proper maintenance and inspection are recommended to prevent corrosion over time. The overall height of 2.10 inches supports proper caliper clearance and brake pad alignment for consistent braking response.
About the Power Stop - Front OE Stock Replacement Brake Rotor Line
The Power Stop - Front OE Stock Replacement Brake Rotor line is designed to provide a reliable, factory-equivalent replacement for front disc brake rotors. This product line focuses on matching original equipment specifications to ensure proper fitment and performance without modification. The AR8280 rotor exemplifies this approach by offering precise dimensions and vented construction to maintain braking efficiency and vehicle safety.
Common Applications and Problem Solving
- Replacement for worn or warped front brake rotors on compatible Buick, Chevrolet, Pontiac, and Saturn models
- Addresses brake pulsation or vibration caused by uneven rotor surfaces
- Restores braking performance diminished by rotor thickness below discard limits
- Solves noise issues related to rotor surface irregularities
- Prevents further brake system damage by maintaining proper rotor dimensions
Installation Notes and Tips
- Verify rotor thickness before installation to ensure it meets minimum discard thickness
- Clean rotor surface and hub mounting area to prevent uneven wear or noise
- Use proper torque specifications on lug nuts to avoid rotor warping
- Inspect brake pads and calipers during rotor replacement for optimal system performance
- Break in new rotors according to manufacturer recommendations to ensure proper bedding
Quality Assurance and Warranty
Power Stop manufactures this rotor to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided here, Power Stop products typically come with a limited warranty against defects in materials and workmanship. It is recommended to consult the product packaging or manufacturer website for exact warranty terms.
| Brand | PowerStop |
|---|---|
| Part Number | AR8280 |
| Position | Power Stop - Front OE Stock Replacement Brake Rotor, Front |
| Discard Thickness | 1.21 |
| Discard Thickness | 30.70 |
| Mounting Bolt Hole Circle Diameter | 4.60 |
| Mounting Bolt Hole Circle Diameter | 118.00 |
| Nominal Thickness | 1.27 |
| Nominal Thickness | 32.20 |
| Outside Diameter | 11.70 |
| Outside Diameter | 297.00 |
| Overall Height | 2.10 |
| Overall Height | 52.10 |
| Rust Resistant Coating | No |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 5 |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2009 | Buick | Allure | 3.8L | V6 | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||
| 2009 | Buick | LaCrosse | 3.8L | V6 | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||
| 2008 | Buick | Allure | Front | V6 Models; Power Stop - Front OE Stock Replacement Brake Rotor | ||||
| 2008 | Buick | LaCrosse | CX | Front | Power Stop - Front OE Stock Replacement Brake Rotor | |||
| 2008 | Buick | LaCrosse | CXL | Front | Power Stop - Front OE Stock Replacement Brake Rotor | |||
| 2008 | Buick | LaCrosse | CXS | Front | Power Stop - Front OE Stock Replacement Brake Rotor | |||
| 2008 | Pontiac | Grand Prix | Base | Front | Power Stop - Front OE Stock Replacement Brake Rotor | |||
| 2007 | Buick | Allure | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||||
| 2007 | Buick | LaCrosse | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||||
| 2007 | Pontiac | Grand Prix | Base | Front | Power Stop - Front OE Stock Replacement Brake Rotor | |||
| 2007 | Pontiac | Grand Prix | GT | Front | Power Stop - Front OE Stock Replacement Brake Rotor | |||
| 2006 | Buick | Allure | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||||
| 2006 | Buick | LaCrosse | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||||
| 2006 | Pontiac | Grand Prix | Base | Front | Power Stop - Front OE Stock Replacement Brake Rotor | |||
| 2006 | Pontiac | Grand Prix | GT | Front | Power Stop - Front OE Stock Replacement Brake Rotor | |||
| 2005 | Buick | Allure | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||||
| 2005 | Buick | LaCrosse | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||||
| 2005 | Buick | Terraza | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||||
| 2005 | Chevrolet | Uplander | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||||
| 2005 | Pontiac | Grand Prix | Base | Front | Power Stop - Front OE Stock Replacement Brake Rotor | |||
| 2005 | Pontiac | Grand Prix | GT | Front | Power Stop - Front OE Stock Replacement Brake Rotor | |||
| 2005 | Pontiac | Grand Prix | GTP | Front | Power Stop - Front OE Stock Replacement Brake Rotor | |||
| 2005 | Pontiac | Montana | SV6 | FWD | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||
| 2005 | Pontiac | Montana | SV6 | AWD | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||
| 2005 | Saturn | Relay | Front | Power Stop - Front OE Stock Replacement Brake Rotor | ||||
| 2004 | Pontiac | Grand Prix | Front | Power Stop - Front OE Stock Replacement Brake Rotor |
* 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.