PowerStop L4727 Disc Brake Caliper - Rear Right

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4727) is designed to provide reliable braking performance for select GM vehicles. Engineered as a direct replacement for rear disc brake calipers, this part ensures consistent stopping power and durability for models like the Chevrolet Silverado 1500 and GMC Sierra 1500.

• Floating caliper design with a single 54.10 mm phenolic piston
• Constructed from lightweight aluminum casting material
• Includes caliper slides and mounting bracket for proper fitment
• Gray finish for corrosion resistance and OEM appearance
• Compatible with bleeder screw thread size M10 x 1.0
• Grade type: Regular for standard braking applications

Product Line Details: PowerStop - Rear OE Stock Replacement Caliper

The PowerStop - Rear OE Stock Replacement Caliper line focuses on delivering direct-fit replacements that match original equipment specifications. This ensures compatibility and performance consistency for rear disc brake systems on various Cadillac, Chevrolet, and GMC models. The L4727 caliper maintains OE standards in materials and design, providing a dependable option for rear brake hydraulic repairs.

Technical Description and Features

This disc brake caliper features a floating design with a single phenolic piston measuring 54.10 mm in diameter, which helps reduce heat transfer to the brake fluid and improves overall braking efficiency. The aluminum caliper casting offers a balance of strength and weight savings, contributing to vehicle handling and fuel economy. Included caliper slides and mounting bracket facilitate proper installation and alignment, critical for consistent brake pad wear and performance. The gray finish provides corrosion resistance, extending the caliper's service life in various driving conditions.

Common Applications and Problem Solving

• Replacement for worn or seized rear calipers on Chevrolet Silverado 1500 and GMC Sierra 1500
• Restores proper brake pad alignment and reduces uneven pad wear
• Addresses brake fluid leaks caused by damaged phenolic pistons
• Improves rear braking response and pedal feel on Cadillac DeVille and Suburban 1500
• Suitable for restoring braking performance on GMC Yukon XL 1500 and Chevrolet Tahoe

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air and maintain braking efficiency. Verify compatibility with your vehicle’s specific year and model before installation. Since mounting hardware is not included, retain or source OE mounting bolts and related components. Inspect brake pads and rotors for wear and replace if necessary to optimize braking performance.

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet or exceed OEM specifications, using durable materials such as aluminum and phenolic for critical components. While specific warranty details are not provided, PowerStop products typically undergo rigorous quality control to ensure reliability and safety in braking applications.