ACDelco 18a2946 Professional Front Disc Brake Rotor

The ACDelco 18A2946 Professional Front Disc Brake Rotor delivers reliable braking performance and is engineered as a high-quality replacement for many vehicles on the road today. Part of the ACDelco Gold line, this rotor is a GM-recommended replacement that provides the same performance, durability, and service life you expect from quality aftermarket components.

Key Features:

• Precision-manufactured with thickness variation less than 0.0004 inch to minimize pedal pulsation and noise
• Constructed from OE-matched G3000 qualified material meeting SAE standards for structural integrity
• Inspected for balance to ensure smooth brake operation and noise reduction
• Independently tested for Noise/Vibration/Harshness (NVH) and durability/wear performance
• Follows original manufacturer designs for optimal heat dissipation to prolong pad and rotor life
• Ready to install right out of the box with no machining required
• Helps extend brake pad life through precise manufacturing tolerances

This front disc brake rotor mounts to the wheel hub where the caliper presses the brake pads against the disc surfaces to slow the vehicle. Backed by ACDelco's commitment to quality and supported by a 12-month/12,000-mile limited warranty, this rotor provides guaranteed performance for your braking system needs.