PowerStop AR8650 Disc Brake Rotor - Front

Power Stop Front OE Stock Replacement Brake Rotor Overview

The Power Stop - Front OE Stock Replacement Brake Rotor AR8650 is engineered to meet the exact specifications of your vehicle's original equipment. Designed for front disc brake systems, this rotor provides reliable performance for select Buick, Chevrolet, GMC, Isuzu, and Saab models, including the Trailblazer, Envoy, and 9-7x.

• Part Number: AR8650
• Compatible with front disc brake systems on Buick, Chevrolet, GMC, Isuzu, and Saab models
• Vented rotor design for improved heat dissipation
• Nominal thickness: 1.14 inches (29.00 mm)
• Discard thickness: 1.08 inches (27.50 mm)
• Outside diameter: 12.80 inches (324.00 mm)
• Overall height: 2.10 inches (54.60 mm)
• Mounting bolt hole circle diameter: 5.00 inches (127.00 mm)
• 6 stud/lug hole quantity
• No rust resistant coating

Detailed Product Description

The Power Stop - Front OE Stock Replacement Brake Rotor AR8650 is a vented disc brake rotor designed to match the original equipment specifications for front brake systems on various SUVs and trucks. With a nominal thickness of 1.14 inches (29.00 mm) and a discard thickness of 1.08 inches (27.50 mm), this rotor ensures proper braking performance and safety throughout its service life. The vented design helps dissipate heat effectively, reducing the risk of brake fade during extended use. Measuring 12.80 inches (324.00 mm) in outside diameter and 2.10 inches (54.60 mm) in overall height, it fits vehicles requiring a 6-lug bolt pattern with a 5.00-inch (127.00 mm) bolt circle diameter. This rotor does not include a rust resistant coating, so proper maintenance is recommended to prevent corrosion over time.

The Power Stop - Front OE Stock Replacement Brake Rotor product line focuses on providing direct OE replacement parts that maintain factory fit, form, and function. This ensures compatibility and reliable braking performance for vehicles like the Chevrolet Trailblazer, GMC Envoy, and Buick Rainier, among others. Using this rotor helps maintain the original braking characteristics intended by the vehicle manufacturer.

Compatible Vehicles and Applications

• Buick Rainier
• Chevrolet Trailblazer, Trailblazer EXT, SSR
• GMC Envoy, Envoy XL, Envoy XUV
• Isuzu Ascender
• Saab 9-7x

Common Issues This Rotor Addresses

• Worn or warped front brake rotors causing vibration or noise
• Reduced braking efficiency due to rotor thickness below discard limit
• Overheating and brake fade from insufficient heat dissipation
• Uneven rotor wear affecting brake pad contact
• Replacement of damaged or scored rotors to restore braking performance

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.08 inches / 27.50 mm) before installation
• Clean rotor surface to remove any protective oils or debris prior to mounting
• Verify compatibility with vehicle make and model, including lug count and bolt circle diameter
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and calipers during installation for optimal system performance

Quality Assurance and Warranty

Power Stop manufactures the AR8650 rotor to meet or exceed OEM standards for fit and function. While this rotor does not feature a rust resistant coating, it is constructed to provide consistent braking performance under normal operating conditions. Please refer to Power Stop's warranty policy for specific coverage details related to defects or workmanship.