PowerStop L4855 Disc Brake Caliper - Rear Right

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4855) is designed to provide reliable braking performance for select Cadillac, Chevrolet, and GMC vehicles. Engineered as a direct replacement for rear disc brake calipers, this component ensures consistent stopping power and durability.

• Caliper Type: Floating design for smooth operation
• Caliper Casting Material: Lightweight aluminum construction
• Piston Quantity: Single piston with 54.10 mm diameter
• Piston Material: Phenolic for heat resistance and reduced corrosion
• Caliper Slides Included: Yes, for proper alignment and movement
• Mounting Bracket Included: Yes, for secure installation
• Caliper Color: Gray finish
• Bleeder Screw Thread Size: M10 x 1.0
• Grade Type: Regular

About the PowerStop - Rear OE Stock Replacement Caliper Line

The PowerStop - Rear OE Stock Replacement Caliper line is designed to match original equipment specifications for rear disc brake calipers. This ensures compatibility and performance that meets factory standards. The L4855 caliper is part of this line, offering a floating caliper design with phenolic pistons to help reduce heat transfer and corrosion, making it suitable for daily driving conditions on compatible vehicles.

Detailed Product Description

This rear disc brake caliper features a floating design that allows for self-alignment during braking, reducing uneven pad wear. The aluminum casting material provides a balance of strength and weight savings, contributing to overall vehicle efficiency. The single phenolic piston with a diameter of 54.10 mm offers reliable hydraulic pressure transfer while resisting heat-induced damage. Included caliper slides and mounting bracket facilitate proper installation and operation. The gray finish helps protect the caliper from environmental elements.

Compatible Vehicles and Applications

• Cadillac DeVille and DTS models requiring rear OE stock replacement calipers
• Chevrolet Silverado 1500 and Silverado 1500 Classic rear brake systems
• GMC Sierra 1500 and Sierra 1500 Classic rear disc brake setups
• Replacement for worn or damaged rear floating calipers
• Addressing issues such as uneven brake pad wear, brake drag, or reduced braking efficiency

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air from the hydraulic lines. Verify that the mounting bracket is securely fastened and that caliper slides move freely to prevent binding. Use the correct bleeder screw thread size (M10 x 1.0) when servicing the caliper. This caliper does not include mounting hardware, so retain or source necessary bolts separately.

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet or exceed OEM specifications 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 against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.