Four Seasons 26826 A/C System Valve Core and Cap Kit

AC System Seal Kit for Import A/C Service

Restore service access and sealing at the A/C ports with the Four Seasons AC System Seal Kit, part number 26826. This cap and valve A/C system seal kit is built for R12 and R134a refrigerant systems and is commonly used on Audi, BMW, Mercedes-Benz, Mini, Jaguar, Smart, Volvo, Lincoln, and Porsche applications.

Four Seasons AC System Seal Kit 26826 is a practical replacement for worn or missing service caps and valve cores on HVAC hose and pipe connections. The aluminum construction, plastic caps, and color-coded red and blue caps support straightforward identification during A/C maintenance.

Key Features

• Part number 26826 from Four Seasons AC System Seal Kit line
• Cap and valve core kit for A/C system service points
• Works with R12 and R134a refrigerant systems
• Aluminum body with plastic caps
• Red and blue cap colors for easier port identification
• Designed for HVAC hose and pipe service applications

Product Details

This cap and valve A/C system seal kit is used to replace service port sealing components on vehicles that rely on accessible refrigerant charge points. It is a fitment-based solution for import cars and SUVs, including 2009-2014 Audi A4, 2008-2013 BMW 328i, 2010-2013 Mercedes-Benz E350, 2002-2015 Mini Cooper, and 2013-2015 Smart Fortwo. The Four Seasons 26826 part number also cross-references Global Parts Distributors LLC 1311574 for the same application.

Use this kit when you need a direct replacement for damaged A/C service caps or valve core sealing components on compatible vehicles. The product line is focused on AC system seal kits for HVAC hose and pipe service, helping maintain proper closure at the refrigerant access points.

What It Is Used For

• Replacing cracked, missing, or worn A/C service caps
• Restoring valve core sealing at refrigerant access ports
• Addressing slow refrigerant loss from service-point leakage
• Repairing damaged cap threads or port covers
• Servicing A/C systems on Audi, BMW, Mercedes-Benz, Mini, Jaguar, Smart, Volvo, Lincoln, and Porsche models

Installation Notes and Tips

Verify refrigerant type and service-port style before installation. Match the cap color and inside diameter to the vehicle’s A/C port configuration, and inspect the valve core area for contamination or thread damage before replacing the seal components. Confirm vehicle-specific fitment for your year, make, and model before ordering.

Quality Assurance

Four Seasons is a recognized HVAC parts brand with a dedicated AC System Seal Kit product line. Part number 26826 is built for service-point sealing in automotive A/C systems and is listed for broad import fitment coverage across 2002-2016 applications.