PowerStop L4399 Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4399) is designed specifically for Jeep Grand Cherokee models. This floating disc brake caliper offers reliable braking performance with a cast iron construction and a single steel piston, engineered to meet OE specifications.

• Compatible with Jeep Grand Cherokee rear brake systems
• Cast iron caliper casting for durability
• Single 47.88 mm steel piston for consistent braking force
• Floating caliper design for smooth operation
• Gray finish matching OE appearance
• 3/8 x 24 inlet and bleeder screw thread sizes
• Grade type: Regular

Detailed Product Description

The PowerStop - Rear OE Stock Replacement Caliper L4399 is crafted from cast iron, providing strength and resistance to wear under typical driving conditions. Its floating caliper design allows for self-alignment during braking, reducing uneven pad wear and maintaining consistent contact with the rotor. The single piston, made from steel and measuring 47.88 mm in diameter, ensures reliable hydraulic pressure application for effective stopping power. The caliper features standard 3/8 x 24 thread sizes for both the inlet and bleeder screw, compatible with factory brake lines and bleeding tools. Finished in gray, this caliper maintains the original equipment look on your Jeep Grand Cherokee.

About the PowerStop - Rear OE Stock Replacement Caliper Line

This product is part of the PowerStop - Rear OE Stock Replacement Caliper line, which focuses on providing direct OE replacement parts for rear brake systems. These calipers are engineered to match factory specifications in material, design, and fitment, ensuring a straightforward replacement process without compromising braking performance or safety.

Common Applications and Problem Solving

• Replacement for worn or seized rear calipers on Jeep Grand Cherokee
• Addresses uneven brake pad wear due to caliper malfunction
• Resolves brake drag caused by sticking pistons
• Restores proper hydraulic pressure for consistent braking
• Eliminates brake noise related to caliper issues

Installation Notes and Tips

When installing the PowerStop L4399 caliper, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Note that mounting hardware and caliper slides are not included and should be reused from the original assembly or purchased separately if needed. Verify thread compatibility with existing brake lines and bleeder screws before installation.

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet OE standards for fit, form, and function. The cast iron construction and steel piston materials are selected for durability and consistent performance. While specific warranty details are not provided here, PowerStop products typically come with manufacturer-backed quality assurance to support reliable operation in Jeep Grand Cherokee rear brake systems.