Centric 146.48055 Disc Brake Caliper Piston - Front

Overview of Centric Premium Steel Disc Brake Caliper Piston

The Centric Premium Steel & Aluminum Caliper Pistons part number 146.48055 is engineered for reliable brake system performance. Crafted from durable steel, this disc brake caliper piston is designed to meet the precise specifications required for effective braking in various vehicle applications.

• Constructed from high-quality steel for strength and durability
• Length: 28.70 mm ensuring proper fit within caliper housing
• Inside diameter: 37.90 mm for accurate piston movement
• Outer diameter: 48.14 mm (1.87746 inches) compatible with specific caliper models
• Thickness: 5.14 mm (0.20046 inches) for consistent brake pad engagement

Details on Centric Premium Steel & Aluminum Caliper Pistons Line

The Centric Premium Steel & Aluminum Caliper Pistons product line focuses on delivering precision-engineered pistons that combine steel and aluminum materials to optimize brake caliper performance. This line is designed to provide enhanced durability and corrosion resistance, making it suitable for a range of disc brake systems. Part number 146.48055 is part of this line, offering a steel piston option that balances strength and wear resistance for dependable braking.

Product Specifications and Application

This disc brake caliper piston measures 28.70 mm in length with an inside diameter of 37.90 mm, ensuring it fits accurately within compatible brake calipers. The piston outer diameter of 48.14 mm (1.87746 inches) and thickness of 5.14 mm (0.20046 inches) are critical dimensions that maintain proper seal and piston movement. While specific vehicle fitment depends on make and model, this piston is commonly compatible with various domestic and import vehicles requiring a steel caliper piston replacement.

Common Issues Addressed by This Caliper Piston

• Brake drag caused by worn or damaged pistons
• Uneven brake pad wear due to piston misalignment
• Brake fluid leaks from piston seal failure
• Reduced braking efficiency from corroded or pitted pistons
• Caliper sticking resulting in overheating and premature pad wear

Installation Notes and Tips

• Ensure the caliper bore is clean and free of debris before installation
• Use proper brake lubricant on piston seals to prevent damage during assembly
• Verify piston dimensions against OEM specifications for correct fit
• Replace caliper seals and dust boots when installing new pistons
• Bleed the brake system thoroughly after installation to remove air

Quality Assurance and Warranty

Centric Premium Steel & Aluminum Caliper Pistons, including part number 146.48055, are manufactured to meet or exceed industry standards for brake hydraulics components. Each piston undergoes strict quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Centric typically offers coverage against manufacturing defects to support long-term reliability in brake system repairs.