PowerStop AR8649 Disc Brake Rotor - Front

Power Stop Front OE Stock Replacement Brake Rotor Overview

The Power Stop - Front OE Stock Replacement Brake Rotor AR8649 is engineered for reliable braking performance on select GM and Isuzu SUVs and trucks. Designed as a direct replacement, this vented disc brake rotor meets original equipment specifications to maintain consistent stopping power and vehicle safety.

• Compatible with Buick Ascender, Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, Oldsmobile Bravada, and GMC Rainier
• Part number AR8649 for precise fitment
• Vented rotor design for improved heat dissipation
• Nominal thickness of 1.14 inches (29.00 mm) with discard thickness at 1.08 inches (27.50 mm)
• Overall height of 2.20 inches (54.80 mm) and outside diameter of 12.00 inches (305.00 mm)
• Mounting bolt hole circle diameter of 5.00 inches (127.00 mm) with 6 lug holes

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 direct OE replacement solution for front disc brake rotors. This product line focuses on matching original equipment dimensions and specifications to ensure proper fit and function without modification. The AR8649 rotor maintains the vented design typical of factory rotors, supporting effective heat management during braking for vehicles like the Chevrolet Trailblazer and GMC Envoy.

Product Details and Specifications

This disc brake rotor features a vented design that helps dissipate heat generated during braking, reducing the risk of brake fade. The nominal thickness of 1.14 inches (29.00 mm) ensures durability and longevity, while the discard thickness of 1.08 inches (27.50 mm) indicates the minimum safe thickness before replacement is necessary. The rotor measures 12.00 inches (305.00 mm) in outside diameter and has an overall height of 2.20 inches (54.80 mm). It mounts using a 5.00-inch (127.00 mm) bolt hole circle diameter with 6 lug holes, matching the factory specifications for the listed vehicle models.

Common Applications and Problem Solving

• Replacement for worn or warped front brake rotors on Buick Ascender and GMC Rainier
• Restores proper braking performance on Chevrolet Trailblazer and GMC Envoy
• Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
• Helps eliminate brake noise related to rotor wear or damage
• Ensures safe stopping distances by maintaining correct rotor thickness

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean rotor surface to remove any protective coating or debris prior to installation
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check for proper rotor runout after installation to prevent brake vibration

Quality Assurance and Warranty

The Power Stop - Front OE Stock Replacement Brake Rotor AR8649 is manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided, Power Stop products typically undergo rigorous quality control to ensure durability and reliable braking performance. Users should consult product documentation or manufacturer resources for warranty information.