Centric 146.54042 Disc Brake Caliper Piston - Front

Overview of Centric Premium Steel & Aluminum Caliper Piston 146.54042

The Centric Premium Steel & Aluminum Caliper Piston 146.54042 is engineered for precise brake performance in select BMW and Porsche vehicles. Designed to meet exacting specifications, this steel piston ensures reliable operation within the brake hydraulics system.

• Material: Durable steel construction for strength and longevity
• Length: 53.13 mm for proper fit and function
• Inside Diameter: 39.81 mm to match caliper bore dimensions
• Outer Diameter: 53.92 mm (2.10288 inches) for accurate sealing
• Thickness: 7.21 mm (0.28119 inches) ensuring structural integrity

Detailed Product Description

This disc brake caliper piston, part number 146.54042, is crafted from steel to provide consistent performance under high-temperature braking conditions. The piston’s dimensions, including a length of 53.13 mm and an inside diameter of 39.81 mm, are designed to fit specific BMW and Porsche models such as the BMW M3 and Porsche 928. The outer diameter of 53.92 mm ensures a precise seal within the caliper bore, while the 7.21 mm thickness contributes to durability and resistance to deformation during brake application.

The Centric Premium Steel & Aluminum Caliper Pistons product line focuses on combining steel and aluminum materials to optimize piston strength and heat dissipation. This line is intended for professional brake system repairs and upgrades, providing components that meet or exceed OEM specifications for reliable braking performance.

Applications and Problem Solving

• Replacement for worn or corroded caliper pistons in BMW M3 and Porsche 928 brake systems
• Addresses brake drag caused by piston sticking or improper sealing
• Resolves brake fluid leaks due to damaged or warped pistons
• Improves brake pedal feel by restoring proper piston movement
• Prevents premature brake pad wear linked to piston malfunction

Installation Notes and Tips

• Ensure caliper bore is clean and free of debris before installation
• Use compatible brake fluid and lubricants recommended by vehicle manufacturer
• Inspect caliper seals and replace if necessary to maintain proper sealing
• Follow torque specifications for caliper assembly to avoid piston damage
• Bleed brake system thoroughly after installation to remove air pockets

Quality Assurance and Warranty

Centric Premium Steel & Aluminum Caliper Pistons, including part number 146.54042, are manufactured to meet stringent quality standards. Each piston undergoes dimensional and material inspections to ensure compatibility and durability. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.