PowerStop L4398 Disc Brake Caliper - Rear Right

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4398) 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 for corrosion resistance
• 3/8 x 24 inlet and bleeder screw thread sizes

Detailed Product Description

The PowerStop - Rear OE Stock Replacement Caliper is built to match the original equipment specifications for Jeep Grand Cherokee rear brakes. Featuring a cast iron caliper body, this part ensures strength and heat resistance under demanding braking conditions. The floating caliper design allows for self-alignment during braking, reducing uneven pad wear. Equipped with a single steel piston measuring 47.88 mm in diameter, it provides reliable hydraulic pressure transfer for effective stopping power. The gray finish helps protect the caliper from rust and corrosion, extending its service life. Thread sizes for the inlet and bleeder screw are standardized at 3/8 x 24, ensuring compatibility with existing brake lines and maintenance tools.

PowerStop - Rear OE Stock Replacement Caliper Product Line

This caliper is part of the PowerStop - Rear OE Stock Replacement Caliper line, which focuses on delivering direct-fit replacement parts that meet original equipment standards. This product line is designed to provide Jeep Grand Cherokee owners with dependable brake components that maintain factory performance without requiring additional modifications or hardware.

Common Applications and Problem Solving

• Replacement for worn or leaking rear disc brake calipers on Jeep Grand Cherokee
• Addresses uneven brake pad wear caused by sticking calipers
• Resolves reduced braking efficiency due to piston corrosion or damage
• Fixes brake fluid leaks from damaged caliper seals or bleeder screws
• Restores proper brake pedal feel and hydraulic pressure

Installation Notes and Tips

When installing the PowerStop L4398 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 or replaced as needed. Verify thread compatibility for inlet and bleeder screws (3/8 x 24) before installation. It is recommended to inspect brake pads and rotors during caliper replacement to ensure overall system performance.

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed OEM 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, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.