Four Seasons 26861 A/C System Valve Core and Cap Kit

AC System Seal Kit for Audi, Volkswagen, Porsche, Saab

Restore sealing at the A/C service ports with the Four Seasons AC System Seal Kit, part number 26861. This O-ring and gasket A/C system seal kit is built for vehicles that use valve core caps and seal components at the service connection points, helping maintain a tighter refrigerant seal.

Key Features

• Four Seasons AC System Seal Kit, part number 26861
• O-ring and gasket style A/C system seal kit
• Includes low side standard black cap and high side standard black cap
• Valve components with purple O-ring and black O-ring
• Direct replacement for select Audi, Volkswagen, Porsche, and Saab applications
• Cross-references Global Parts Distributors LLC 1311683 for the same application

Product Details

The Four Seasons AC System Seal Kit 26861 is part of the Four Seasons AC System Seal Kit line, focused on service-port sealing components for HVAC systems. It is intended for vehicles that use valve core and cap sealing at the A/C system connection points. This kit supports service work on a wide range of Audi A3, A4, A6, A8, TT, S4, S5, and related Volkswagen and Porsche models, along with select Saab applications.

Compatible With 2011-2013 Audi A1, N/A; 2007-2013 Audi A3, N/A; 2007-2013 Audi A3 Quattro, N/A; 2008-2013 Audi A5, N/A; 2008-2013 Audi A5 Quattro, N/A; 2005-2013 Audi A6, N/A; 2005-2013 Audi A6 Quattro, N/A; 2012-2013 Audi A7 Quattro, N/A; 1999-2013 Audi A8 Quattro, N/A; and additional listed Audi, Volkswagen, Porsche, and Saab applications. Part number 26861 is also listed for select 2002-2008 Audi A4 and A4 Quattro, 2004-2008 Audi S4, and 2008-2012 Audi S3 coverage.

Common Uses

• Replacing worn or damaged A/C service port caps
• Addressing refrigerant seepage at valve core sealing points
• Repairing missing or deteriorated O-rings and gaskets at the service connection
• Restoring proper sealing after A/C maintenance or component service
• Supporting leak repair on select Audi, Volkswagen, Porsche, and Saab HVAC systems

Installation Notes and Tips

Verify the vehicle’s service port style and match the application before installation. Clean the sealing surfaces thoroughly, inspect the valve core area for wear, and confirm the cap and O-ring style matches the original configuration. For best results, install on a properly evacuated and serviced A/C system.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC service components, and this seal kit is cataloged for direct application matching across the listed vehicles. Use the part number 26861 and the vehicle fitment details to confirm selection before service.