PowerStop L4679 Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4679) is designed to provide reliable braking performance for select Ford and Lincoln vehicles. Engineered as a direct replacement for rear disc brake calipers, this part ensures consistent stopping power and durability.

• Caliper Type: Floating
• Caliper Casting Material: Cast iron
• Piston Quantity: 1 with 51.05 mm diameter
• Piston Material: Phenolic for heat resistance
• Caliper Slides Included for smooth operation
• Caliper Color: Gray
• Bleeder Screw Thread Size: 3/8 x 24
• Grade Type: Regular

About the PowerStop - Rear OE Stock Replacement Caliper Line

The PowerStop - Rear OE Stock Replacement Caliper line is designed to match original equipment specifications for rear disc brake calipers. This ensures compatibility and performance that aligns with factory standards. The L4679 caliper maintains the OE design with a cast iron body and phenolic piston, providing durability and resistance to heat and corrosion. This product line focuses on delivering dependable braking components for vehicles requiring direct OE replacements.

Detailed Product Description

This rear disc brake caliper features a floating design with a single phenolic piston measuring 51.05 mm in diameter. The cast iron construction offers strength and longevity, while the included caliper slides help maintain smooth and consistent brake pad movement. The gray finish provides corrosion resistance and a clean appearance. The bleeder screw thread size of 3/8 x 24 allows for proper brake fluid bleeding during maintenance. This caliper is intended for use on the rear brakes of compatible Ford and Lincoln models, ensuring a precise fit and reliable braking performance.

Compatible Vehicles and Applications

• Ford Blackwood
• Ford Expedition
• Ford F-150 and F-150 Heritage
• Ford F-250
• Lincoln Navigator
• Lincoln Town Car

This caliper is suitable for rear brake replacement on these specific models, providing a direct OE stock replacement solution.

Common Issues Addressed by This Caliper

• Brake drag or sticking caliper pistons
• Uneven brake pad wear due to faulty caliper slides
• Brake fluid leaks from worn or damaged pistons
• Reduced braking efficiency from corroded or damaged caliper bodies
• Noise or vibration caused by caliper malfunction

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air from the lines, using the 3/8 x 24 bleeder screw. This caliper does not include mounting hardware or brackets, so retain or replace existing components as needed. Verify piston and slide condition before installation to ensure smooth operation. Follow manufacturer torque specifications for mounting bolts to maintain safety and performance.

Quality Assurance and Warranty

The PowerStop - Rear OE Stock Replacement Caliper L4679 is manufactured to meet or exceed OEM standards for fit and function. The cast iron construction and phenolic piston material contribute to long service life under normal operating conditions. Warranty coverage details should be confirmed with the product supplier or manufacturer.