Four Seasons 26781 A/C System Valve Core and Cap Kit

Reliable A/C System Seal Kit for Audi, Ford, Volkswagen, and More

The Four Seasons AC System Seal Kit 26781 provides essential components to maintain the integrity of your vehicle's air conditioning system. Designed for use with refrigerants R12 and R134a, this kit is compatible with a wide range of models including Audi A3, Ford Mustang, and Volkswagen Golf.

• Includes durable aluminum valve cores and plastic black caps
• Compatible with refrigerants R12 and R134a for versatile application
• Specifically designed cap inside diameter for secure sealing
• Cap and valve core materials engineered for long-lasting performance
• Fits multiple makes and models such as Audi A4 Quattro, Ford F-150, and Volkswagen Passat

About the Four Seasons AC System Seal Kit Product Line

The Four Seasons AC System Seal Kit product line focuses on providing comprehensive sealing solutions for automotive air conditioning systems. This line includes cap and valve kits designed to prevent refrigerant leaks and maintain system pressure. The 26781 kit is part of this line, offering components made from aluminum and plastic materials to ensure compatibility and durability across various vehicle models.

Detailed Product Description

The Four Seasons AC System Seal Kit 26781 contains both valve cores and caps made from high-quality materials. The valve cores are constructed from aluminum, providing corrosion resistance and reliable sealing performance. The black plastic caps feature a specific inside diameter to fit securely over the valve stems, preventing refrigerant loss and contamination. This kit supports both R12 and R134a refrigerants, making it suitable for older and newer vehicle air conditioning systems. It is compatible with a broad range of vehicles including Audi A6 Quattro, Ford Explorer, Lincoln Town Car, Mazda B4000, Mercury Mountaineer, and Volkswagen Tiguan.

Common Applications and Issues Addressed

• Prevents refrigerant leaks from valve stems
• Replaces worn or damaged valve cores and caps
• Maintains proper system pressure for efficient A/C operation
• Helps avoid contamination and moisture ingress in the A/C system
• Supports maintenance and repair of HVAC hoses and pipes

Installation Notes and Tips

When installing the Four Seasons AC System Seal Kit 26781, ensure the vehicle’s A/C system is depressurized before removing old valve cores and caps. Use a valve core removal tool to avoid damage to the valve stem. Confirm compatibility with your vehicle’s refrigerant type (R12 or R134a) and verify the cap fits securely over the valve stem. Proper installation helps maintain system integrity and prevents refrigerant leaks.

Quality Assurance and Warranty

Four Seasons manufactures the AC System Seal Kit 26781 to meet industry standards for durability and performance. The use of aluminum and plastic materials ensures corrosion resistance and long service life. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in material and workmanship.