PowerStop L4998 Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L4998) is designed specifically for Jeep Commander and Grand Cherokee models. This rear disc brake caliper offers reliable performance with a cast iron construction and a floating caliper design, ensuring consistent braking response and durability.

• Compatible with Jeep Commander and Grand Cherokee rear brake systems
• Cast iron caliper casting for strength and heat resistance
• Floating caliper type with one phenolic piston (48.01 mm diameter)
• Includes caliper slides for smooth operation
• Gray finish with M10 x 1.0 bleeder screw thread size

Product Line Details: PowerStop - Rear OE Stock Replacement Caliper

The PowerStop - Rear OE Stock Replacement Caliper line focuses on providing direct replacement parts that match original equipment specifications. This ensures proper fitment and function for rear brake systems on select vehicles, including Jeep models. The L4998 caliper maintains OE standards with its regular grade type and durable materials, making it a practical choice for restoring braking performance.

Technical Description and Features

This disc brake caliper features a cast iron body that withstands the rigors of daily driving and heat generated during braking. The floating caliper design allows for even pad wear and reliable braking force. It is equipped with a single phenolic piston measuring 48.01 mm in diameter, which helps reduce heat transfer to the brake fluid. Caliper slides are included to ensure smooth movement and proper alignment during operation. The gray finish provides corrosion resistance and a clean appearance. Note that mounting hardware and brackets are not included with this part.

Common Applications and Problem Solving

• Replacement for worn or seized rear calipers on Jeep Commander and Grand Cherokee
• Addresses uneven brake pad wear caused by faulty caliper slides
• Resolves brake fluid leaks from damaged or deteriorated pistons
• Improves braking consistency when original calipers have corroded or failed
• Restores proper rear brake function after caliper damage or malfunction

Installation Notes and Tips

Ensure compatibility with your specific Jeep Commander or Grand Cherokee model year before installation. Since mounting hardware and brackets are not included, retain or purchase necessary components separately. Properly bleed the brake system after installation using the M10 x 1.0 bleeder screw thread size to remove air and maintain brake performance. Inspect brake pads and rotors for wear and replace if necessary to ensure optimal braking results.

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed original equipment standards. The use of cast iron and phenolic piston materials supports durability and heat resistance. While specific warranty details are not provided, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.