Four Seasons 90065 HVAC Heater Core - Front

Four Seasons 90065 Heater Core Overview

The Four Seasons 90065 heater core is an aluminum HVAC heater core built for direct replacement in select Toyota Land Cruiser applications. It is sized to match the listed fitment and meets or exceeds OEM requirements for a dependable cabin heat repair.

Compatible with 1996-1998 Toyota Land Cruiser front heater core applications, this part number 90065 is a practical choice when the original core is leaking, restricted, or no longer transferring heat efficiently.

Key Features

• Aluminum heater core construction
• Core dimensions: 8 in. length, 6-1/2 in. width, 1-3/8 in. thickness
• Core height: 8.000 in.; core width: 6.500 in.; core depth: 1.375 in.
• Tube size: 0.75 in. / 19.05 mm on both connections
• Meets or exceeds OEM specifications
• Direct-fit HVAC heater core for front-position applications

Detailed Description

Four Seasons Heater Core 90065 is an aluminum heater core designed for the HVAC system in select Toyota Land Cruiser models. The aluminum core material supports efficient heat transfer, while the listed dimensions and tube sizes help ensure proper fitment in the front heater core location. This part cross-references APDI 9010487 for the same application.

Fits 1996 Toyota Land Cruiser, front; Fits 1997 Toyota Land Cruiser, front; Fits 1998 Toyota Land Cruiser, front. This heater core is also referenced by part number 90065 in Four Seasons catalogs and is listed among common interchange numbers used for the same vehicle application.

Common Problems This Part Can Address

• Weak or inconsistent cabin heat
• Coolant odor inside the vehicle
• Visible coolant leakage from the HVAC case area
• Restricted coolant flow through the heater circuit
• Fogging or dampness caused by a leaking heater core

Installation Notes and Tips

Verify the core dimensions, tube orientation, and front-position fitment before installation. Because heater core replacement often requires access through the HVAC case, inspect related hoses, clamps, and coolant condition during service. Confirm the vehicle build date for 1996 and 1998 Toyota Land Cruiser applications, since the listed notes specify from 8/1996 and to 1/98.

Quality Assurance

Four Seasons 90065 is specified as meeting or exceeding OEM requirements, making it a suitable replacement for restoring factory-style heater performance in the Toyota Land Cruiser. Four Seasons is a recognized HVAC parts brand with coverage across core, motor, and case-related components.