PowerStop L4726 Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4726) is designed to provide reliable braking performance for select GM vehicles. Engineered as a direct replacement for rear disc brake calipers, this floating caliper ensures consistent stopping power and durability for models like the Chevrolet Silverado 1500 and GMC Sierra 1500.

• Floating disc brake caliper with a single 54.10 mm phenolic piston
• Constructed from lightweight aluminum casting for corrosion resistance
• Includes caliper slides and mounting bracket for ease of installation
• Gray finish designed to match OE appearance
• Compatible with bleeder screw thread size M10 x 1.0
• Grade type: Regular for standard braking applications

Detailed Product Features and Specifications

This PowerStop rear caliper features a floating design with one phenolic piston measuring 54.10 mm in diameter, which helps reduce heat transfer to the brake fluid and improves overall brake system longevity. The aluminum caliper casting offers a balance of strength and weight savings, contributing to better vehicle handling. Included caliper slides and mounting bracket simplify the replacement process, although mounting hardware is not included. The gray color finish maintains a clean, OE-style look on the rear brakes.

Compatible Vehicles and Applications

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

• Cadillac DeVille
• Chevrolet Astro, Silverado 1500, Silverado 1500 HD, Suburban 1500, Tahoe
• GMC Safari, Sierra 1500, Sierra 1500 HD, Yukon, Yukon XL 1500

It is designed specifically for rear brake applications, making it suitable for owners seeking a direct OE stock replacement for their braking system.

Common Issues Addressed by This Caliper

• Brake fluid leaks from worn or damaged pistons
• Uneven brake pad wear due to caliper slide malfunction
• Reduced braking efficiency from corroded or seized caliper components
• Brake noise caused by loose or faulty mounting brackets
• Overheating issues mitigated by phenolic piston material

Installation Notes and Tips

When installing the PowerStop L4726 rear caliper, ensure the brake system is properly bled to remove air and maintain optimal hydraulic pressure. Verify compatibility with your specific vehicle model and year before installation. Since mounting hardware is not included, reuse existing hardware if in good condition or source new hardware separately. Proper torque specifications should be followed to avoid damage or improper caliper function.

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed OEM standards for fit and function. The use of phenolic pistons and aluminum casting materials supports durability and corrosion resistance. While specific warranty details are not provided here, PowerStop products typically come with a limited warranty covering defects in materials and workmanship.

About the PowerStop - Rear OE Stock Replacement Caliper Line

The PowerStop - Rear OE Stock Replacement Caliper product line focuses on delivering direct-fit replacement calipers that match original equipment specifications. This line is designed to provide reliable braking performance and ease of installation for rear brake applications on various GM trucks and SUVs. The L4726 caliper exemplifies this approach by combining quality materials and precise engineering to restore braking function without modification.