Four Seasons 92274 HVAC Heater Core

Heater Core for Subaru HVAC Repair

Restore cabin heat with the Four Seasons 92274 heater core, a specific-fit aluminum replacement for Subaru HVAC systems. Built to meet or exceed OEM requirements, this heater core is sized for direct replacement in select Subaru Forester, WRX, WRX STI, Crosstrek, Impreza, XV, and XV Crosstrek applications.

Key Features

• Four Seasons Heater Core, part number 92274
• Specific-fit design for confirmed Subaru applications
• Aluminum core material and aluminum heater core style
• Core dimensions: 10 in. height, 4-5/8 in. width, 1.000 in. depth
• Tube size: 0.86 in. / 21.844 mm on both connections
• Meets or exceeds OEM specifications
• Gasket or seal not included
• Adjustable pipe positioning: No

Product Details

The Four Seasons 92274 heater core is an aluminum HVAC heater core built for direct-fit replacement in Subaru heating systems. Its specific-fit construction and OEM-level dimensional profile support proper integration with the factory HVAC case, while the aluminum core material helps maintain efficient heat transfer. This part cross-references Dorman - HELP 91274 for the same application.

Compatible with 2008-2016 Subaru Impreza, 2009-2025 Subaru Forester, 2013-2025 Subaru WRX, 2013-2021 Subaru WRX STI, 2016-2017 Subaru Crosstrek, 2013-2015 Subaru XV, and 2013-2015 Subaru XV Crosstrek. For Subaru Forester heater core replacement or Subaru WRX heater core service, part number 92274 provides a direct replacement option for the listed vehicles.

Common Issues This Part Can Address

• Weak or inconsistent cabin heat
• Coolant odor inside the vehicle
• Fogging from heater core leakage
• Loss of heater performance after coolant contamination
• Need for a direct replacement during HVAC repair

Installation Notes and Tips

Verify the vehicle’s year, model, and HVAC configuration before installation. Because the gasket or seal is not included, reuse or source the required sealing components separately as needed. Inspect the HVAC case, hoses, and coolant condition during replacement, and confirm the tube dimensions and core size match the original unit before assembly.

Quality Assurance

Four Seasons 92274 is engineered to meet or exceed OEM specifications for the listed Subaru applications. The aluminum construction and specific-fit design support consistent replacement quality for HVAC service work.