PowerStop L1618A Disc Brake Caliper - Front Left

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L1618A) is designed to provide reliable braking performance for select BMW models. Engineered as a direct replacement for front disc brake calipers, this component ensures consistent stopping power and durability.

• Compatible with BMW 320i, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, Z3, and Z4 models
• Constructed from durable cast iron for long-lasting strength
• Floating caliper design with a single steel piston (53.92 mm diameter)
• Includes caliper slides and mounting bracket for proper fitment
• Gray finish with M8 x 1.25 bleeder screw thread size
• Grade type: Regular for standard braking applications

About the PowerStop Front OE Stock Replacement Caliper Line

The PowerStop - Front OE Stock Replacement Caliper line focuses on providing direct-fit replacements that meet original equipment specifications. This product line is tailored to maintain factory performance and fitment, making it suitable for BMW owners seeking a dependable disc brake caliper replacement without modifications.

Product Details and Specifications

This PowerStop disc brake caliper features a cast iron construction, which offers robust durability and resistance to wear under normal driving conditions. The floating caliper design incorporates a single steel piston with a diameter of 53.92 mm, ensuring effective brake pad engagement and smooth operation. Included caliper slides and a mounting bracket facilitate proper installation and alignment on the front axle. The gray color finish matches OEM aesthetics, and the bleeder screw thread size of M8 x 1.25 allows for standard brake fluid bleeding procedures.

Common Applications and Problem Solving

• Replacement for worn or seized front disc brake calipers on BMW 320i, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, Z3, and Z4
• Addresses uneven brake pad wear caused by caliper sticking
• Resolves brake fluid leaks from damaged piston seals
• Improves braking response when original calipers have corroded or failed
• Restores proper brake function after caliper hardware failure

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air from the hydraulic lines. This caliper includes the mounting bracket and caliper slides but does not include additional mounting hardware, so verify that all necessary bolts and fasteners are available. Use the correct bleeder screw size (M8 x 1.25) for brake fluid maintenance. Follow manufacturer torque specifications for mounting bolts to ensure safe and secure installation.

Quality Assurance and Warranty

PowerStop manufactures this front OE stock replacement caliper to meet or exceed OEM standards for fit and function. The cast iron construction and steel piston materials contribute to the caliper's durability and reliability. 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 the manufacturer for exact warranty terms.