PowerStop L4759 Disc Brake Caliper - Front Left

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L4759) is designed to provide reliable braking performance for select Ford, Mazda, and Mercury vehicles. Engineered as a direct OE replacement, this disc brake caliper ensures compatibility and consistent operation for models like the Ford Ranger and Mazda B2300.

• Cast iron caliper casting for durability
• Floating caliper type with two phenolic pistons
• Includes caliper slides and mounting bracket
• Gray finish with 45.97 mm piston diameter
• Bleeder screw thread size 3/8 x 24

Product Line Details: PowerStop - Front OE Stock Replacement Caliper

This caliper is part of the PowerStop - Front OE Stock Replacement Caliper line, which focuses on providing direct-fit replacements that match original equipment specifications. The line emphasizes maintaining factory performance and fitment, making it suitable for front disc brake systems on compatible vehicles. The L4759 caliper meets these standards with its cast iron construction and floating design, ensuring dependable braking without modification.

Technical Description and Features

The L4759 caliper features a cast iron body that offers strength and resistance to wear. It is a floating type caliper equipped with two phenolic pistons, each measuring 45.97 mm in diameter, which helps reduce heat transfer and corrosion. The caliper includes slides and a mounting bracket for proper alignment and movement during braking. Its gray finish provides a neutral appearance suitable for various vehicle applications. The bleeder screw thread size is 3/8 x 24, compatible with standard brake bleeding tools.

Compatible Vehicles and Applications

• Ford Ranger (various years)
• Ford Explorer and Explorer Sport/Explorer Sport Trac
• Ford Mountaineer
• Mazda B2300, B3000, B4000
• Mercury models compatible with listed Ford platforms

Common Issues Addressed by This Caliper

• Uneven or reduced braking performance due to worn calipers
• Brake fluid leaks from damaged or corroded pistons
• Caliper sticking or binding causing brake drag
• Noise or vibration from faulty caliper slides
• Corrosion or physical damage to original caliper housing

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air from the lines. This caliper includes the mounting bracket and slides but does not come with additional mounting hardware, so verify existing hardware condition before installation. Use compatible brake fluid and follow manufacturer torque specifications for mounting bolts. Inspect brake pads and rotors for wear and replace if necessary to maintain optimal braking performance.

Quality Assurance and Warranty

PowerStop calipers are manufactured to meet OE standards for fit and function. The L4759 caliper undergoes quality control checks to ensure durability and performance. Warranty coverage details should be confirmed with the original product documentation or supplier, as it may vary by region and application.