PowerStop L5400A Disc Brake Caliper - Rear Right

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L5400A) is designed to provide reliable braking performance for select Buick, Cadillac, and Chevrolet models. Engineered as a direct replacement for rear disc brake calipers, this part ensures consistent stopping power and durability.

• Cast iron caliper casting for strength and heat resistance
• Single steel piston with a 41.00 mm 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

Product Line Details: PowerStop - Rear OE Stock Replacement Caliper

The PowerStop - Rear OE Stock Replacement Caliper line focuses on providing direct-fit replacement parts that match original equipment specifications. This ensures compatibility and performance consistency for rear brake systems on vehicles such as the Buick LaCrosse, Cadillac XTS, and Chevrolet Malibu. The L5400A caliper maintains the OE design with a floating caliper type and steel piston, supporting reliable braking under normal driving conditions.

Technical Description and Features

This disc brake caliper is constructed from durable cast iron, offering resistance to wear and heat generated during braking. The single piston design with a 41 mm steel piston diameter provides balanced hydraulic pressure to the brake pads. The floating caliper type allows for self-alignment during braking, reducing uneven pad wear. Included caliper slides and mounting bracket facilitate proper installation and operation. The gray color finish helps protect against corrosion while maintaining an OEM look. Thread sizes for the inlet and bleeder screw are standardized at M10 x 1.0, ensuring compatibility with factory brake lines and bleeder fittings.

Compatible Vehicles and Applications

• Buick LaCrosse rear disc brake replacement
• Cadillac XTS rear brake caliper upgrade
• Chevrolet Impala rear brake system maintenance
• Chevrolet Malibu rear disc brake repair
• Buick Regal rear brake caliper replacement

Installation Notes and Tips

When installing the PowerStop L5400A 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 are lubricated for smooth movement. Use compatible brake pads and inspect all brake hardware for wear. This caliper does not include mounting hardware, so retain or replace existing bolts as needed.

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed OEM standards for fit and function. The cast iron construction and steel piston materials contribute to long service life. While specific warranty details are not provided, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.