PowerStop L4946 Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4946) is designed to provide reliable braking performance for select Ford and Mercury vehicles. Engineered as a direct replacement for rear disc brake calipers, this component ensures consistent stopping power and durability.

• Compatible with Ford Five Hundred, Freestyle, Montego, Sable, Taurus, and Taurus X models
• Constructed from durable cast iron for long-lasting strength
• Floating caliper design with a single steel piston (41.91 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-style replacements that meet original equipment specifications. This ensures compatibility and performance consistency for rear disc brake systems on various Ford and Mercury vehicles. The L4946 caliper maintains the original floating caliper design and material composition, offering a dependable solution for brake system maintenance and repair.

Technical Description and Features

This disc brake caliper features a cast iron construction that offers strength and resistance to wear. The floating caliper type uses a single steel piston with a diameter of 41.91 mm, which helps maintain even brake pad contact and effective braking force. Included caliper slides and a mounting bracket facilitate proper installation and alignment. The gray color finish provides corrosion resistance, while the M10 x 1.0 bleeder screw thread size allows for standard brake fluid bleeding procedures.

Common Applications and Problem Solving

• Replacement for worn or seized rear calipers on Ford Five Hundred and Mercury Sable
• Restores braking performance on Ford Taurus and Taurus X with sticking caliper pistons
• Addresses brake drag or uneven pad wear caused by faulty caliper slides
• Resolves brake fluid leaks from damaged or corroded caliper pistons
• Improves rear brake responsiveness on Mercury Montego and Ford Freestyle

Installation Notes and Tips

Ensure the brake system is properly depressurized before removing the old caliper. This caliper includes the mounting bracket and caliper slides but does not include additional mounting hardware. Verify compatibility with your specific vehicle model and year before installation. Bleed the brake system thoroughly after installation using the M10 x 1.0 bleeder screw to remove air and ensure optimal brake performance.

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed original equipment standards. The cast iron construction and steel piston materials contribute to durability and reliable operation. While specific warranty details are not provided here, PowerStop products typically come with manufacturer-backed quality assurance to support proper function and longevity.