PowerStop L4605 Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4605) is designed for reliable braking performance on select Ford and Mercury vehicles. Engineered as a direct replacement for rear disc brake calipers, this component ensures consistent stopping power and durability for your Explorer, Explorer Sport, Mountaineer, and Ranger models.

• Cast iron caliper casting for strength and heat resistance
• Single steel piston with a 48.01 mm diameter for effective brake force
• Floating caliper design for smooth operation and even pad wear
• Includes caliper slides to maintain proper alignment
• Gray finish for corrosion resistance and OEM appearance
• Compatible with Ford and Mercury rear disc brake systems
• Bleeder screw thread size 3/8 x 24 for standard brake bleeding procedures

Product Line Details: PowerStop - Rear OE Stock Replacement Caliper

The PowerStop - Rear OE Stock Replacement Caliper line focuses on providing direct-fit replacement parts that match original equipment specifications. This ensures compatibility and performance consistent with factory-installed components. The L4605 caliper maintains the OE design with a floating caliper type and cast iron construction, making it suitable for rear brake applications on Ford and Mercury vehicles requiring dependable brake hydraulics.

Technical Description and Features

This disc brake caliper features a cast iron body that offers durability and resistance to heat generated during braking. The floating caliper design allows the caliper to move laterally, ensuring even pressure distribution across the brake pads. The single steel piston with a diameter of 48.01 mm provides the necessary force to engage the brake pads effectively. Included caliper slides help maintain proper caliper movement and alignment, reducing uneven pad wear. The gray finish protects against corrosion while maintaining an OEM look. This caliper does not include mounting hardware or a mounting bracket, so those components must be sourced separately if needed.

Compatible Vehicles and Applications

• Ford Explorer (rear disc brake systems)
• Ford Explorer Sport (rear disc brake systems)
• Mercury Mountaineer (rear disc brake systems)
• Ford Ranger (rear disc brake systems)

This caliper is intended for use as a rear OE stock replacement part, addressing issues related to brake performance and safety on these specific models.

Common Issues Addressed by This Caliper

• Brake caliper piston sticking or seizing
• Uneven brake pad wear due to caliper slide failure
• Brake fluid leaks from worn or damaged caliper pistons
• Reduced braking efficiency from corroded or damaged caliper bodies
• Noise or vibration caused by faulty caliper operation

Installation Notes and Tips

When installing the PowerStop L4605 caliper, ensure the brake system is properly bled using the 3/8 x 24 bleeder screw thread size. Verify that caliper slides are clean and lubricated to allow smooth movement. Since mounting hardware and brackets are not included, inspect existing components for wear or damage and replace as necessary. Follow manufacturer torque specifications for mounting bolts to maintain safety and performance.

Quality Assurance and Warranty

PowerStop calipers are manufactured to meet or exceed OEM standards for fit, form, and function. The L4605 caliper undergoes quality control inspections to ensure reliable operation. Warranty coverage details should be confirmed with the product documentation or manufacturer, as they may vary by region and distributor.