Centric 146.42011 Disc Brake Caliper Piston - Front or Rear

Centric Steel Caliper Piston for BMW and Mercedes-Benz

Centric Premium Steel & Aluminum Caliper Pistons part number 146.42011 is a disc brake caliper piston built with steel construction for brake hydraulic service. It is listed for front and rear applications across select BMW X5 and X6 models, plus rear applications on several Mercedes-Benz GL, ML, R, and G-Class vehicles.

Key Features

• Steel caliper piston construction
• Centric Premium Steel & Aluminum Caliper Pistons product line
• Disc brake caliper piston for brake hydraulic repair
• Fits front and rear brake applications, depending on vehicle
• Part number 146.42011 for application matching

Detailed Description

Centric 146.42011 is a replacement disc brake caliper piston for brake hydraulic systems that require a steel piston. The Centric Premium Steel & Aluminum Caliper Pistons line is focused on caliper piston service parts for restoring proper brake operation in select BMW X5 and BMW X6 front brake applications, as well as rear brake applications on Mercedes-Benz GL350, GL450, GL550, ML350, ML450, ML550, GL320, ML320, R320, R350, R500, ML500, G55 AMG, and G65 AMG models. Use the vehicle notes to confirm rotor and caliper configuration before ordering.

This part cross-references no listed interchange numbers in the provided data.

What It Is Used For

• Replacing a worn or damaged brake caliper piston
• Restoring hydraulic movement inside the caliper
• Addressing brake drag caused by piston wear or corrosion
• Supporting brake service on BMW X5 and BMW X6 front calipers
• Supporting rear caliper repair on Mercedes-Benz GL, ML, R, and G-Class applications

Installation Notes and Tips

• Confirm the exact year, model, and brake configuration before installation.
• BMW X5 and X6 listings include exclusions for M Sport Brakes and M Performance Brakes on certain years.
• Mercedes-Benz R350, R320, R500, ML350, ML320, and ML500 listings include rotor-size and vented rear disc notes that must be matched to the vehicle.
• Inspect the caliper bore, seals, and brake fluid condition during service.
• Follow factory brake service procedures and bleed the hydraulic system after installation.

Quality Assurance

Centric manufactures brake hydraulic components for service and replacement applications. This piston is identified by part number 146.42011 and is cataloged for specific BMW and Mercedes-Benz brake configurations.