PowerStop L2641A Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L2641A) is designed to provide reliable braking performance for select BMW models. Engineered as a direct replacement for rear disc brake calipers, this component ensures consistent stopping power and durability.

• Compatible with BMW 320i, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, and Z4 models
• Constructed from durable cast iron caliper casting material
• Floating caliper type with a single steel piston (39.93 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 - Rear OE Stock Replacement Caliper Line

The PowerStop - Rear OE Stock Replacement Caliper line focuses on providing direct OE-style replacements for rear brake calipers. This product line is designed to match original equipment specifications, ensuring proper fit and function for vehicles like the BMW 3 Series and Z4. The L2641A caliper maintains the original floating caliper design and piston size, making it a suitable option for restoring rear braking performance without modification.

Product Details and Specifications

This disc brake caliper features a cast iron construction that offers strength and heat resistance necessary for rear brake applications. The floating caliper design allows for smooth piston movement, aided by included caliper slides and a mounting bracket to secure the assembly. The single steel piston with a diameter of 39.93 mm provides consistent clamping force on the brake pads. The gray finish helps resist corrosion, while the M8 x 1.25 bleeder screw thread size facilitates proper brake fluid bleeding during installation or maintenance.

Common Applications and Problem Solving

• Replacement for worn or seized rear calipers on BMW 320i, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, and Z4
• Addresses uneven brake pad wear caused by caliper sticking
• Resolves brake fluid leaks from damaged piston seals
• Restores proper rear braking performance and pedal feel
• Eliminates noise and vibration related to faulty caliper slides or pistons

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air from the hydraulic lines. Verify compatibility with your specific BMW model and rear brake setup before installation. Although mounting hardware is not included, the caliper slides and mounting bracket are provided for correct assembly. Use appropriate torque specifications for mounting bolts and bleeder screws to avoid damage.

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed OEM standards for fit and function. The cast iron construction and steel piston materials contribute to long-lasting durability. While specific warranty details are not provided here, PowerStop products typically come with a limited warranty against defects in materials and workmanship.