PowerStop L4755 Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop L4755 rear disc brake caliper is designed to provide reliable braking performance for select Ford, Jeep, Lincoln, and Mercury vehicles. Engineered as a direct OE stock replacement, this caliper ensures consistent stopping power and durability for models like the Ford Explorer, Jeep Wrangler, and Lincoln Aviator.

• Cast iron caliper casting for strength and durability
• Single 48.01 mm phenolic piston for efficient heat resistance
• Floating caliper design with included caliper slides
• Gray finish for corrosion resistance
• Compatible with Ford Explorer, Jeep Liberty, Lincoln Aviator, Mercury Mountaineer, and more
• Bleeder screw thread size 3/8 x 24 for standard brake bleeding

About the PowerStop - Rear OE Stock Replacement Caliper Line

The PowerStop - Rear OE Stock Replacement Caliper line focuses on delivering direct-fit replacement parts that match original equipment specifications. This ensures proper fitment and function without modification. The L4755 caliper maintains the OE design with a floating caliper type and phenolic piston material, providing reliable braking performance consistent with factory standards.

Detailed Product Description

This PowerStop rear disc brake caliper features a cast iron construction that offers durability under demanding driving conditions. The single 48.01 mm phenolic piston helps reduce heat transfer to the brake fluid, minimizing the risk of brake fade. The floating caliper design allows for smooth movement and even pad wear, while the included caliper slides ensure proper alignment and operation. Finished in gray, the caliper resists corrosion to extend service life. This part is compatible with a range of vehicles including the Ford Explorer Sport Trac, Jeep Wrangler, Lincoln Aviator, and Mercury Mountaineer.

Common Applications and Problem Solving

• Replacement for worn or seized rear calipers on Ford Explorer and Jeep Liberty
• Restores proper brake pad alignment and reduces uneven pad wear
• Addresses brake fluid contamination issues by using a phenolic piston
• Eliminates sticking or dragging brakes caused by faulty caliper slides
• Improves rear braking performance on Lincoln Aviator and Mercury Mountaineer

Installation Notes and Tips

Installation of the PowerStop L4755 caliper requires standard brake system tools. Note that mounting hardware and brackets are not included and should be reused or replaced as needed. Ensure the brake system is properly bled using the 3/8 x 24 bleeder screw thread size to remove air and maintain braking efficiency. Verify compatibility with your specific vehicle model and year before installation.

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed original equipment standards. The cast iron construction and phenolic piston material contribute to long-lasting performance. While specific warranty details are not provided, PowerStop products typically come with manufacturer-backed quality assurance to support reliable operation.