PowerStop L4731 Disc Brake Caliper - Front Left

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L4731) is designed to provide reliable braking performance for select GM vehicles. Engineered as a direct OE replacement, this floating disc brake caliper ensures consistent stopping power and durability for models like the Chevrolet Silverado 2500 HD and GMC Sierra 3500.

• Cast iron caliper casting for strength and heat resistance
• Includes caliper slides and mounting bracket for ease of installation
• Two phenolic pistons with a 56.90 mm diameter for effective brake pad engagement
• Floating caliper design to maintain proper alignment and reduce uneven pad wear
• Gray finish to match OE appearance
• Bleeder screw thread size M10 x 1.5 for compatibility with standard brake lines
• Grade type: Regular, suitable for everyday driving conditions

Detailed Product Description

This PowerStop front disc brake caliper is constructed from durable cast iron, providing the necessary strength and heat dissipation required for heavy-duty braking applications. The floating caliper design allows the caliper to move laterally, ensuring even pressure is applied to both brake pads. Featuring two phenolic pistons with a diameter of 56.90 mm, this caliper offers reliable hydraulic force transfer while resisting corrosion and heat damage. The inclusion of caliper slides and a mounting bracket simplifies installation and helps maintain proper caliper positioning during operation. The gray color finish aligns with the original equipment look for a seamless replacement.

Compatible Vehicles and Applications

This caliper is compatible with a range of GM trucks and SUVs, including:

• Chevrolet Avalanche 2500 and Silverado 2500 HD models
• GMC Sierra 1500 HD, Sierra 2500 HD, and Sierra 3500 series
• Cadillac DeVille and DTS
• Hummer H2
• GMC Savana 2500 and 3500
• Chevrolet Express 2500 and 3500
• Suburban 2500 and Yukon XL 2500

These vehicles benefit from the OE stock replacement quality and fitment of the PowerStop L4731 caliper.

Common Issues Addressed by This Caliper

• Uneven brake pad wear due to faulty caliper slides or pistons
• Reduced braking efficiency from corroded or seized caliper pistons
• Brake fluid leaks caused by worn piston seals
• Brake noise and vibration from misaligned or damaged calipers
• Overheating and premature brake component failure

Installation Notes and Tips

When installing the PowerStop L4731 caliper, ensure the brake system is properly bled to remove air and maintain hydraulic pressure. Verify that the mounting bracket is securely fastened and that caliper slides move freely to prevent uneven pad wear. Use the correct bleeder screw thread size (M10 x 1.5) to avoid damage during brake bleeding. Although mounting hardware is not included, the caliper comes with slides and a bracket to facilitate installation.

PowerStop - Front OE Stock Replacement Caliper Product Line

The PowerStop - Front OE Stock Replacement Caliper line focuses on delivering direct-fit replacements that meet original equipment specifications. This product line is designed to provide dependable braking performance and durability for a variety of GM trucks and SUVs, ensuring compatibility and ease of installation without compromising safety or function.

Quality Assurance

PowerStop calipers are manufactured to meet or exceed OEM standards, using quality materials such as cast iron and phenolic pistons to ensure long service life. While specific warranty details are not provided, PowerStop products typically undergo rigorous testing to maintain consistent performance and reliability in demanding driving conditions.