PowerStop L4839 Disc Brake Caliper - Front Left

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L4839) is designed specifically for Ford Mustang models requiring reliable front disc brake calipers. Engineered to meet original equipment specifications, this floating caliper ensures consistent braking performance and durability.

• Caliper Type: Floating
• Caliper Casting Material: Aluminum
• Piston Quantity: 2
• Piston Diameter: 44.96 mm
• Piston Material: Phenolic
• Caliper Color: Gray
• Caliper Slides Included: Yes
• Mounting Bracket Included: Yes
• Bleeder Screw Thread Size: M10 x 1.5
• Grade Type: Regular

Detailed Features and Specifications

This PowerStop front disc brake caliper is constructed from lightweight aluminum casting, which helps reduce unsprung weight while maintaining strength and corrosion resistance. The caliper features two phenolic pistons with a diameter of 44.96 mm, providing smooth and consistent brake pad engagement. The floating caliper design allows for self-alignment during braking, improving pad wear and braking efficiency. Included caliper slides and mounting bracket facilitate proper installation and alignment on compatible Ford Mustang models.

About the PowerStop Front OE Stock Replacement Caliper Line

The PowerStop - Front OE Stock Replacement Caliper line is engineered to replicate the original equipment caliper design and performance. This product line focuses on delivering dependable braking components that meet factory specifications, ensuring compatibility and reliable operation for vehicles like the Ford Mustang. These calipers are intended for drivers seeking a direct replacement without modifying the vehicle’s braking system.

Common Applications and Problem Solving

• Replacement for worn or seized front disc brake calipers on Ford Mustang
• Restores proper brake pad alignment and reduces uneven pad wear
• Addresses brake drag caused by sticking pistons or slides
• Improves braking response and pedal feel compared to damaged calipers
• Prevents brake fluid leaks from damaged or corroded caliper pistons

Installation Notes and Tips

When installing the PowerStop L4839 caliper on a Ford Mustang, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify that the mounting bracket and caliper slides are securely fastened to prevent movement during operation. Use the specified M10 x 1.5 bleeder screw thread size for brake bleeding procedures. It is recommended to inspect brake pads and rotors for wear and replace if necessary to ensure optimal braking performance.

Quality Assurance and Warranty

PowerStop manufactures this front OE stock replacement caliper to meet or exceed original equipment standards. The use of phenolic pistons and aluminum casting materials contributes to corrosion resistance and long service life. While specific warranty details are not provided, PowerStop products typically come with manufacturer-backed quality assurance to support reliable operation on Ford Mustang vehicles.