PowerStop L4990 Disc Brake Caliper - Front Right

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L4990) is designed specifically for Jeep Commander and Grand Cherokee models. This front disc brake caliper offers reliable performance with a cast iron construction and a floating caliper design to meet OE standards.

• Compatible with Jeep Commander and Grand Cherokee front brake systems
• Cast iron caliper casting for durability and heat resistance
• Floating caliper type with two phenolic pistons (48.01 mm diameter)
• Includes caliper slides and mounting bracket for proper fitment
• Gray finish with M10 x 1.0 bleeder screw thread size
• Grade type: Regular for standard braking applications

Detailed Product Description

The PowerStop - Front OE Stock Replacement Caliper L4990 is engineered to match the original equipment specifications for Jeep Commander and Grand Cherokee vehicles. Featuring a cast iron caliper body, this part provides strength and resistance to the high temperatures generated during braking. The floating caliper design allows for smooth piston movement, aided by two phenolic pistons with a diameter of 48.01 mm, which help reduce heat transfer to the brake fluid and improve overall braking performance. The caliper comes with included slides and a mounting bracket to ensure proper installation and alignment. Its gray finish is consistent with OE appearance, and the bleeder screw thread size of M10 x 1.0 facilitates maintenance and brake fluid bleeding.

PowerStop - Front OE Stock Replacement Caliper Product Line

This caliper is part of the PowerStop - Front OE Stock Replacement Caliper line, which focuses on providing direct OE replacement parts that maintain factory fit, form, and function. This product line is designed to offer a reliable and straightforward solution for restoring front brake hydraulics on compatible vehicles without requiring modifications or additional hardware.

Common Applications and Problem Solving

• Replacement for worn or seized front disc brake calipers on Jeep Commander and Grand Cherokee
• Addresses uneven brake pad wear caused by caliper sticking
• Resolves brake fluid leaks from damaged or corroded caliper pistons
• Improves braking response when original calipers have lost efficiency
• Restores proper brake caliper sliding action to prevent noise and vibration

Installation Notes and Tips

• Verify compatibility with your specific Jeep Commander or Grand Cherokee model year before installation
• Ensure brake fluid system is properly bled after caliper replacement to avoid air in the lines
• Use appropriate tools to avoid damaging the phenolic pistons during installation
• Inspect brake pads and rotors for wear and replace if necessary to maintain optimal braking performance

Quality Assurance and Warranty

PowerStop manufactures this front disc brake caliper to meet or exceed OE standards for durability and performance. The cast iron construction and phenolic pistons are selected for longevity and heat resistance. While specific warranty details are not provided here, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Consult the product packaging or manufacturer for exact warranty terms.