Centric 145.48022 Disc Brake Caliper Piston - Rear

Overview of Centric Premium Phenolic Caliper Pistons 145.48022

The Centric Premium Phenolic Caliper Piston 145.48022 is designed for reliable brake performance in heavy-duty Chevrolet and GMC trucks. Engineered with phenolic material, this disc brake caliper piston offers durability and resistance to heat and corrosion, making it suitable for demanding applications.

• Constructed from phenolic material for heat resistance and reduced corrosion
• Length: 52.95 mm for precise fitment
• Inside diameter: 22.96 mm ensuring proper seal and function
• Piston outer diameter: 47.51 mm (1.85289 inches)
• Thickness: 12.48 mm (0.48672 inches)
• Piston type: S, designed for specific caliper compatibility
• Part number 145.48022 for accurate identification and replacement

Detailed Product Description

This Centric Premium Phenolic Caliper Piston 145.48022 is manufactured to meet the exact specifications required for Chevrolet and GMC heavy-duty trucks, including the Sierra 2500 HD, Sierra 3500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, Silverado 3500 HD, and Suburban 3500 HD models. The phenolic material used in this piston provides excellent thermal insulation, reducing heat transfer to the brake fluid and minimizing the risk of brake fade under heavy braking conditions.

The piston’s dimensions—52.95 mm length, 22.96 mm inside diameter, and 47.51 mm outer diameter—ensure a precise fit within the caliper bore. The thickness of 12.48 mm and the S-type piston design contribute to consistent brake pad engagement and smooth caliper operation. This part is engineered to maintain brake system integrity and performance over extended use.

Centric Premium Phenolic Caliper Pistons Product Line

The Centric Premium Phenolic Caliper Pistons line focuses on delivering high-quality phenolic pistons that offer improved heat resistance and corrosion protection compared to traditional metal pistons. This product line is tailored for professional repair and maintenance of disc brake systems, particularly in heavy-duty applications where durability and reliability are critical. The 145.48022 piston is part of this line, providing a direct replacement solution for specific Chevrolet and GMC truck models.

Common Applications and Problem Solving

• Replacement for worn or damaged caliper pistons in Chevrolet Sierra and Silverado heavy-duty trucks
• Addresses brake fluid contamination caused by piston corrosion
• Reduces brake fade by minimizing heat transfer to brake fluid
• Restores proper caliper piston movement and brake pad engagement
• Prevents caliper seal damage due to piston surface degradation

Installation Notes and Tips

• Ensure compatibility with Chevrolet and GMC models listed before installation
• Clean caliper bore thoroughly to remove debris and corrosion
• Lubricate piston and seals with appropriate brake fluid or assembly grease
• Inspect caliper seals and replace if necessary to prevent leaks
• Follow manufacturer torque specifications when reassembling brake components

Quality Assurance and Warranty

Centric Premium Phenolic Caliper Pistons undergo strict quality control to meet OEM standards for fit and function. The phenolic material is selected for its resistance to heat and corrosion, contributing to long service life. While specific warranty details are not provided, Centric products typically come with a limited warranty against defects in material and workmanship. Verify warranty terms with the supplier or manufacturer.