PowerStop L4927 Disc Brake Caliper - Rear Right

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4927) is designed specifically for Ford Mustang models requiring a reliable rear disc brake caliper replacement. Engineered to meet original equipment specifications, this caliper ensures consistent braking performance and durability.

• Compatible with Ford Mustang rear disc brake systems
• Constructed from durable cast iron for long-lasting strength
• Floating caliper design with a single steel piston (42.67 mm diameter)
• Includes caliper slides and mounting bracket for proper fitment
• Gray finish with M10 x 1.0 bleeder screw thread size
• 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 providing direct OE replacement parts that maintain factory performance and fitment. This product line is tailored for rear brake applications, offering components that match original specifications such as piston size, caliper type, and material. The L4927 caliper is part of this line, ensuring compatibility and reliable operation for Ford Mustang rear brake systems.

Technical Description and Features

This disc brake caliper features a floating design with a single steel piston measuring 42.67 mm in diameter, providing effective clamping force for rear brake rotors. The caliper body is made from cast iron, a material known for its strength and heat resistance, which contributes to consistent braking performance under various driving conditions. Included caliper slides and a mounting bracket facilitate proper installation and alignment. The gray finish offers corrosion resistance while maintaining a clean appearance. The bleeder screw thread size is M10 x 1.0, compatible with standard brake bleeding tools.

Common Applications and Problem Solving

• Replacement for worn or seized rear brake calipers on Ford Mustang models
• Addresses uneven brake pad wear caused by faulty caliper slides
• Resolves brake fluid leaks from damaged or corroded piston seals
• Improves rear braking response and pedal feel after caliper failure
• Restores proper brake rotor contact and reduces noise or vibration

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. This caliper includes the mounting bracket and caliper slides but does not include mounting hardware, so retain original bolts or acquire replacements as needed. Properly torque all fasteners to manufacturer specifications. Bleed the brake system thoroughly using the M10 x 1.0 bleeder screw to remove air and ensure optimal brake performance. Inspect brake pads and rotors for wear and replace if necessary during installation.

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed OEM standards for fit, form, and function. The cast iron construction and steel piston materials are selected for durability and resistance to corrosion and wear. While specific warranty details are not provided, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.