PowerStop L4728 Disc Brake Caliper - Front Right or Rear Left

PowerStop OE Stock Replacement Caliper Overview

The PowerStop - OE Stock Replacement Caliper L4728 is designed to provide reliable braking performance for a range of GM vehicles. Engineered as a direct replacement for original equipment, this floating disc brake caliper ensures consistent stopping power and durability.

• Cast iron caliper casting for strength and heat resistance
• Includes caliper slides and mounting bracket for ease of installation
• Two phenolic pistons with a diameter of 51.05 mm for effective brake pressure
• Floating caliper design for smooth operation
• Gray finish for corrosion resistance
• Bleeder screw thread size M10 x 1.5 for compatibility with standard brake systems
• Grade type: Regular

Detailed Product Description

The PowerStop - OE Stock Replacement Caliper L4728 is constructed from durable cast iron, providing the necessary strength and heat dissipation required for heavy-duty braking applications. This caliper features a floating design with two phenolic pistons, each measuring 51.05 mm in diameter, which helps maintain consistent brake pad contact and reduces the risk of brake fade. The inclusion of caliper slides and a mounting bracket simplifies the installation process, although mounting hardware is not included. The gray finish offers additional protection against corrosion, extending the caliper's service life.

Compatible Vehicles and Applications

This disc brake caliper is compatible with a variety of Chevrolet, GMC, Cadillac, and Hummer models, including but not limited to:

• Chevrolet Silverado 1500, 2500, 3500 (including HD and Classic variants)
• GMC Sierra 1500, 2500, 3500 (including HD and Classic variants)
• Cadillac Escalade, Escalade ESV, Escalade EXT
• Hummer H2
• Chevrolet Avalanche 1500 and 2500
• Chevrolet Suburban 1500 and 2500
• Chevrolet Tahoe
• GMC Yukon and Yukon XL 1500/2500
• Chevrolet Express 1500 and 2500
• GMC Savana 1500 and 2500
• Chevrolet Astro and Safari

Common Issues Addressed by This Caliper

• Uneven brake pad wear due to sticking or seized calipers
• Reduced braking efficiency from worn or damaged pistons
• Brake fluid leaks caused by faulty caliper seals
• Brake noise and vibration from caliper misalignment
• Corrosion-related caliper failure in older vehicles

Installation Notes and Tips

When installing the PowerStop L4728 caliper, ensure the brake system is properly bled to remove air and maintain hydraulic pressure. Verify that the caliper slides are clean and lubricated to allow smooth movement. Since mounting hardware is not included, reuse existing hardware if in good condition or source OEM replacements. Confirm compatibility with your specific vehicle model and year before installation.

Quality Assurance and Warranty

PowerStop - OE Stock Replacement Calipers are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The L4728 caliper undergoes rigorous quality control testing to maintain consistent standards. Warranty coverage details should be confirmed with the product documentation or manufacturer.