Four Seasons 92148 HVAC Heater Core

Four Seasons 92148 Heater Core Overview

Four Seasons 92148 is an aluminum HVAC heater core built for direct replacement in a wide range of Toyota, Lexus, Scion, and Pontiac applications. It is engineered to meet or exceed OEM requirements and is sized for vehicles such as the Toyota Corolla, RAV4, Prius, and Scion tC.

Key Features

• Aluminum heater core construction for efficient heat transfer
• Meets or exceeds OEM specifications
• Core dimensions: 6 in. height, 8-1/4 in. width, 1 in. depth
• Tube size: 0.6875 in. (17.4625 mm) on both connections
• Direct-fit HVAC heater core for selected Toyota, Lexus, Scion, and Pontiac models

Product Details

This Four Seasons heater core, part number 92148, is part of the Heater Core product line and is built with an aluminum core material for dependable cabin heat exchange. The compact 6 x 8.25 x 1 inch design supports OE-style fitment in applications including 2009-2019 Toyota Corolla, 2007-2018 Toyota RAV4, 2010-2017 Toyota Prius, 2011-2017 Lexus CT200h, and related platforms. This part cross-references Dorman - HELP 91148 for the same application.

Compatible With: 2009-2019 Toyota Corolla, N/A; 2017-2018 Toyota Corolla iM, N/A; 2012-2018 Toyota Prius V, N/A; 2007-2018 Toyota RAV4, N/A; 2011-2017 Lexus CT200h, N/A; 2010-2017 Toyota Prius, N/A; 2017 Toyota Prius Prime, N/A; 2016 Scion iM, N/A; 2011-2016 Scion tC, N/A; 2008-2015 Scion xB, N/A; 2012-2015 Toyota Prius Plug-In, N/A; 2009-2014 Toyota Matrix, N/A; 2010-2012 Lexus HS250h, N/A; 2009-2010 Pontiac Vibe, N/A.

Common Heater Core Replacement Issues

• Weak or uneven cabin heat
• Coolant odor inside the vehicle
• Fogging or film on the windshield from heater core leakage
• Restricted coolant flow through the HVAC system
• Temperature control problems in the passenger compartment

Installation Notes and Tips

Verify core dimensions, tube size, and vehicle application before installation. This heater core uses fixed pipe positioning and is listed with no adjustable pipe positioning. Confirm the HVAC case and hose connections match the original unit on your Toyota Corolla, Prius, RAV4, or other listed application before reassembly.

Quality Assurance

Four Seasons lists this heater core as meeting or exceeding OEM requirements, supporting OE-style replacement quality for the specified applications. The aluminum construction and application-specific sizing are intended to align with factory fitment expectations for selected Toyota, Lexus, Scion, and Pontiac vehicles.