PowerStop L5401A Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L5401A) is designed to provide reliable braking performance for select Buick, Cadillac, and Chevrolet models. Engineered as a direct OE replacement, this rear disc brake caliper ensures consistent stopping power and durability for vehicles like the Buick LaCrosse, Cadillac XTS, and Chevrolet Impala.

• Cast iron caliper casting for strength and heat resistance
• Single steel piston with 41mm diameter for effective braking force
• Floating caliper design with included caliper slides for smooth operation
• Gray finish for corrosion resistance and OEM appearance
• Includes mounting bracket for proper fitment
• Compatible inlet and bleeder screw thread size (M10 x 1.0) for easy brake line connection

Detailed Product Description

The PowerStop - Rear OE Stock Replacement Caliper L5401A is constructed from durable cast iron, providing the necessary strength and heat dissipation required for rear brake applications. Featuring a single steel piston with a 41mm diameter, this floating caliper design allows for even pad wear and reliable braking response. The caliper slides are included to ensure smooth movement and proper alignment during braking. Finished in gray, this caliper maintains a clean, OEM look while resisting corrosion over time. The included mounting bracket simplifies installation and ensures a secure fit on compatible vehicles.

Compatible Vehicles and Applications

This disc brake caliper is compatible with a range of Buick, Cadillac, and Chevrolet models, including:

• Buick LaCrosse
• Cadillac XTS
• Chevrolet Impala
• Chevrolet Malibu
• Buick Regal

It is designed specifically for rear brake applications, making it suitable for owners seeking a direct OE replacement caliper for these vehicles.

Common Issues Addressed by This Caliper

• Brake drag caused by seized or sticking calipers
• Uneven brake pad wear due to faulty piston operation
• Reduced braking performance from corroded or damaged caliper components
• Brake fluid leaks from worn piston seals
• Noise or vibration caused by loose or malfunctioning caliper slides

Installation Notes and Tips

• Ensure brake system is properly bled after installation to remove air
• Verify compatibility with vehicle make and model before installation
• Use appropriate brake fluid and follow manufacturer torque specifications
• Inspect brake pads and rotors for wear and replace if necessary
• Check caliper slides for smooth movement during installation

Quality Assurance and Warranty

The PowerStop - Rear OE Stock Replacement Caliper L5401A is manufactured to meet or exceed OEM specifications for fit, form, and function. Constructed with high-quality materials such as cast iron and steel piston components, this caliper is built for durability and consistent braking performance. While specific warranty details are not provided, PowerStop products typically undergo rigorous quality control to ensure reliability and safety in automotive brake systems.