Carlson 7143 Disc Brake Caliper Piston - Front

Carlson Disc Brake Caliper Piston 7143

Carlson 7143 is a disc brake caliper piston for front brake service on select BMW applications. It is a direct-fit brake hydraulics component for restoring caliper function on BMW 325i, 325xi, 323Ci, 323i, 328i, 318i, 318is, 328is, and M3 front brake setups.

Key Features

• Disc brake caliper piston for front brake hydraulics service
• Fits select BMW front caliper applications from 1988-2005
• Supports caliper rebuild and brake system repair work
• Carlson part number 7143 for catalog and service reference
• Application-specific fitment for BMW 325i, 325xi, 323Ci, 323i, 328i, 318i, 318is, 328is, and M3

Detailed Description

This Carlson disc brake caliper piston is used in front brake caliper service where the piston must move smoothly within the caliper bore to maintain proper hydraulic operation. It is listed for BMW front applications including 2001-2005 BMW 325i and 325xi, 2000 BMW 323Ci, 1998-2000 BMW 323i, 1999-2000 BMW 328i, 1999 BMW 318i, 1999 BMW 318is, 1999 BMW 328is, 1993-1998 BMW 318i, 1992-1998 BMW 318is, 1996-1998 BMW 328i, 1996-1998 BMW 328is, 1993-1997 BMW 325i, and 1988-1991 BMW M3. Carlson 7143 is a practical replacement choice when servicing the front caliper on these BMW models.

What It Helps Fix

• Sticking or seized front caliper piston movement
• Brake drag caused by worn piston surfaces
• Hydraulic sealing issues during caliper rebuilds
• Poor brake pedal response related to caliper piston wear
• Front brake service needs on BMW 325i, 325xi, 323i, 328i, and M3 models

Installation Notes and Tips

Verify the caliper design and vehicle application before installation. Clean the caliper bore thoroughly, inspect seals and related brake components, and follow factory brake service procedures. After installation, bleed the brake system and confirm smooth piston movement and proper front brake operation. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Carlson brake hydraulics components are cataloged for application-specific service use. Confirm fitment by year, make, model, and front position before ordering Carlson 7143.