Four Seasons 92043 HVAC Heater Core

Four Seasons 92043 Heater Core

The Four Seasons Heater Core 92043 is an aluminum HVAC heater core built for direct-fit replacement in select Nissan and INFINITI applications. With OE-style dimensions and aluminum core construction, it supports consistent cabin heat performance in vehicles such as the Nissan GT-R and INFINITI G37.

Key Features

• Aluminum heater core construction
• Core dimensions: 7-3/4 in. length, 6-3/8 in. width, and 1-1/4 in. thickness
• Core height: 7.75 in.; core depth: 1.25 in.; core width: 6.375 in.
• Tube size: 0.75 in. / 19.05 mm on both connections
• Meets or exceeds OEM requirements
• Four Seasons heater core part number 92043

Product Details

Four Seasons 92043 is part of the Heater Core product line and is built as an aluminum heater core for HVAC systems that need reliable heat transfer and OE-style fitment. The compact core size and fixed pipe positioning help match the original layout in supported vehicles, including Nissan GT-R and INFINITI models such as G35, G37, FX35, FX50, EX35, EX37, Q40, Q60, QX50, and QX70. This part number 92043 is also cross-referenced to APDI 9010646 for the same application.

What This Heater Core Helps Address

• Weak or uneven cabin heat output
• Coolant leakage from a damaged heater core
• Restricted heat transfer caused by internal corrosion or blockage
• Fogging or defrost performance issues tied to poor heater operation
• Replacement needs after heater core failure in Nissan GT-R or INFINITI HVAC systems

Installation Notes and Fitment

Fits 2023-2024 Nissan GT-R, Heater Core.

Fits 2009-2021 Nissan GT-R, Heater Core.

Fits 2014-2017 INFINITI QX50, Heater Core.

Fits 2014-2017 INFINITI QX70, Heater Core.

Fits 2015 INFINITI Q40, Heater Core.

Fits 2014-2015 INFINITI Q60, Heater Core.

Fits 2013 INFINITI EX37, Heater Core.

Fits 2013 INFINITI FX37, Heater Core.

Fits 2009-2013 INFINITI FX50, Heater Core.

Fits 2008-2013 INFINITI G37, Heater Core.

Fits 2008-2012 INFINITI EX35, Heater Core.

Fits 2009-2012 INFINITI FX35, Heater Core.

Fits 2011-2012 INFINITI G25, Heater Core.

Fits 2007-2008 INFINITI G35, Heater Core.

Verify tube size, core dimensions, and pipe orientation against the original unit before installation. This heater core uses fixed pipe positioning, so matching the factory layout is important for proper HVAC assembly fit.

Quality Assurance

Four Seasons lists this heater core as meeting or exceeding OEM requirements, supporting a direct-replacement approach for select Nissan and INFINITI HVAC repairs. The aluminum construction is specified for dependable heat exchange in the intended applications.