Centric 146.43038 Disc Brake Caliper Piston - Rear

Overview of Centric Premium Steel & Aluminum Caliper Piston 146.43038

The Centric Premium Steel & Aluminum Caliper Piston 146.43038 is engineered for reliable brake performance in select Acura, Audi, Honda, Jeep, Land Rover, and Porsche vehicles. Designed with precision, this steel disc brake caliper piston ensures consistent braking response and durability.

• Constructed from high-quality steel for strength and corrosion resistance
• Length: 52.00 mm for precise fitment
• Inside diameter: 37.30 mm to match OEM specifications
• Outer diameter: 42.97 mm (1.67583 inches) for accurate sealing
• Thickness: 5.02 mm (0.19578 inches) for optimal piston movement

Product Line Details: Centric Premium Steel & Aluminum Caliper Pistons

The Centric Premium Steel & Aluminum Caliper Pistons line focuses on delivering durable and reliable caliper pistons made from steel and aluminum materials. This product line is designed to meet or exceed OEM standards, providing consistent performance and longevity. The 146.43038 piston is part of this line, offering a steel construction that balances strength and resistance to wear, suitable for various disc brake systems.

Technical Description and Fitment

This disc brake caliper piston is specifically designed to fit a range of models including the Audi A4, A5, A6, A7, A8 Quattro variants, as well as the Porsche Macan and RS series, Acura MDX and Odyssey, Jeep Cherokee and Grand Cherokee, and Land Rover Discovery and Range Rover Sport. The piston’s dimensions—52.00 mm length, 37.30 mm inside diameter, and 42.97 mm outer diameter—ensure a precise fit within the caliper bore, maintaining proper hydraulic pressure and brake pad engagement. The steel material offers durability under high-temperature braking conditions, reducing the risk of deformation or corrosion over time.

Common Applications and Issues Addressed

• Replacement for worn or damaged caliper pistons causing brake drag or uneven pad wear
• Restores proper hydraulic pressure for consistent brake pedal feel
• Prevents brake fluid leaks due to piston surface wear or corrosion
• Improves braking performance in vehicles experiencing sticking calipers
• Supports maintenance of brake system integrity in Acura, Audi, Honda, Jeep, Land Rover, and Porsche models

Installation Notes and Tips

• Ensure the caliper bore is clean and free of debris before installation
• Use compatible brake fluid and lubricants recommended by the vehicle manufacturer
• Inspect caliper seals and replace if necessary to prevent leaks
• Carefully measure piston dimensions to confirm compatibility with your specific model
• Follow vehicle-specific service manual instructions for brake system bleeding and testing

Quality Assurance and Warranty

Centric Premium Steel & Aluminum Caliper Pistons undergo rigorous quality control to meet OEM standards for fit, form, and function. The 146.43038 piston is manufactured to provide consistent performance and durability. While specific warranty details may vary, Centric typically offers coverage against manufacturing defects to ensure customer confidence in product reliability.