Four Seasons 26786 A/C System O-Ring and Gasket Kit

AC System Seal Kit for Subaru HVAC Service

Four Seasons AC System Seal Kit 26786 is an A/C system O-ring and gasket kit built with green rubber O-rings for sealing service points in the HVAC system. It is a direct-fit style seal kit for select Subaru applications and is commonly searched as an A/C system O-ring kit for Subaru BRZ, Forester, Impreza, Legacy, Outback, Tribeca, Baja, XV, and XV Crosstrek service work.

This Four Seasons AC System Seal Kit 26786 is part of the Four Seasons AC System Seal Kit line, focused on replacement sealing components for automotive air conditioning repairs. Use it when servicing refrigerant lines, fittings, or other A/C connections that require fresh sealing surfaces.

Key Features

• Part number: 26786
• Brand: Four Seasons
• Product type: A/C System O-Ring and Gasket Kit
• Material: Green rubber O-rings
• Style: O-ring and gasket kit
• Category: HVAC gaskets and sealing systems

Detailed Description

Four Seasons 26786 is an automotive A/C system seal kit intended for sealing service connections in the air conditioning system. The green rubber O-rings are selected for HVAC sealing applications where maintaining a tight refrigerant seal is critical during repair or maintenance. This kit is listed for 2005-2013 Subaru Forester, Impreza, Legacy, Outback, and Baja, plus 2006-2007 Subaru B9 Tribeca, 2008-2012 Subaru Tribeca, and 2013 Subaru BRZ, XV, and XV Crosstrek. This part cross-references UAC RS2651 for the same application.

What It Helps Address

• Refrigerant leaks at A/C line connections
• Damaged or flattened O-rings during HVAC service
• Seepage after opening the air conditioning system
• Seal replacement during compressor, condenser, or line repairs
• Loss of system pressure from worn gasket surfaces

Installation Notes and Tips

• Confirm vehicle compatibility before installation of the A/C System O-Ring and Gasket Kit.
• Inspect mating surfaces for wear, corrosion, or debris before installing new seals.
• Use proper A/C service procedures when opening the refrigerant circuit.
• Verify the correct seal location for each connection before reassembly.
• After service, check the system for leaks and proper operation.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC service parts, and 26786 is cataloged as an AC System Seal Kit for Subaru applications. The part number 26786 is also referenced under Global Parts Distributors LLC 1321338 and other interchange listings for the same application.