PowerStop L3243 Disc Brake Caliper - Front Left

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L3243) is designed specifically for BMW 325i, 325xi, 328i, and 328xi models. This floating disc brake caliper offers reliable performance with durable aluminum construction and precise fitment to maintain your vehicle's braking efficiency.

• Caliper type: Floating
• Caliper casting material: Aluminum
• Piston quantity: 1
• Piston diameter: 57.00 mm
• Piston material: Aluminum
• Caliper color: Gray
• Caliper slides included
• Mounting bracket included
• Inlet thread size: M10 x 1.0
• Bleeder screw thread size: M10 x 1.0
• Grade type: Regular

Detailed Product Description

The PowerStop - Front OE Stock Replacement Caliper is engineered to match the original equipment specifications for select BMW models, including the 325i, 325xi, 328i, and 328xi. Constructed from lightweight aluminum, this caliper reduces unsprung weight while providing corrosion resistance and durability. The single 57 mm aluminum piston ensures consistent braking force and heat dissipation. This floating caliper design allows for smooth sliding action, supported by included caliper slides and a mounting bracket, ensuring proper alignment and brake pad wear.

This caliper features standard M10 x 1.0 inlet and bleeder screw thread sizes, compatible with OEM brake lines and bleeding tools. The gray finish provides a neutral appearance that integrates seamlessly with your vehicle's braking system. The PowerStop - Front OE Stock Replacement Caliper (L3243) is a direct replacement part, engineered to restore braking performance to factory standards.

PowerStop - Front OE Stock Replacement Caliper Product Line

The PowerStop - Front OE Stock Replacement Caliper line focuses on delivering direct-fit replacement calipers that meet original equipment specifications. This product line is designed for drivers seeking reliable, OEM-quality brake components without modification. The L3243 caliper is part of this line, offering a balance of durability, performance, and compatibility for BMW front brake systems.

Common Applications and Problem Solving

• Replacement for worn or seized front disc brake calipers on BMW 325i, 325xi, 328i, and 328xi
• Restores proper brake pad alignment and reduces uneven pad wear
• Addresses brake fluid leaks caused by damaged piston seals
• Improves braking response by replacing corroded or damaged caliper components
• Eliminates brake noise and vibration related to caliper malfunction

Installation Notes and Tips

• Ensure compatibility with your specific BMW model and year before installation
• Use proper brake fluid and follow manufacturer bleeding procedures for M10 x 1.0 bleeder screw
• Inspect brake pads and rotors for wear and replace if necessary during caliper installation
• Torque mounting bracket bolts to OEM specifications to avoid caliper misalignment
• Check for leaks and proper caliper slide movement after installation

Quality Assurance and Warranty

PowerStop manufactures the L3243 caliper to meet or exceed OEM standards for fit, form, and function. The aluminum construction and precise machining ensure durability and consistent braking performance. While specific warranty details are not provided here, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.