Four Seasons 92086 HVAC Heater Core

Four Seasons Heater Core 92086 Overview

The Four Seasons 92086 heater core is an aluminum HVAC heater core built for direct replacement in select Isuzu and Honda applications. It is sized at 6-3/8 in. length, 5-3/4 in. width, and 1-3/8 in. thickness, with 5/8 in. inlet and outlet tubes for a precise fit in the heater box.

As part of the Four Seasons Heater Core line, this unit is made to meet or exceed OEM requirements and is engineered for dependable cabin heat performance in vehicles such as the Honda Passport and Isuzu Rodeo.

Key Features

• Part number 92086 heater core for HVAC repair and replacement
• Aluminum core material and aluminum heater core style
• Core dimensions: 6-3/8 in. x 5-3/4 in. x 1-3/8 in.
• 5/8 in. tube size on both inlet and outlet connections
• Meets or exceeds OEM specifications
• Direct-fit application for select Isuzu Axiom, Rodeo, Rodeo Sport, Amigo, and Honda Passport models

Detailed Description

The Four Seasons 92086 heater core is a replacement HVAC heater core designed for vehicles that rely on a compact aluminum heat exchanger inside the heater case. Its dimensions and tube sizing support accurate fitment in the specified applications, helping restore heat transfer through the vehicle’s climate control system. This part cross-references Dorman - HELP 91086 for the same application.

Compatible With 2002-2004 Isuzu Axiom, N/A; 2000-2004 Isuzu Rodeo, N/A; 2001-2003 Isuzu Rodeo Sport, N/A; 1998-2002 Honda Passport, N/A; and 2000 Isuzu Amigo, N/A. The Four Seasons 92086 is a practical replacement choice when servicing the heater core in these models.

What This Part Helps Address

• Weak or inconsistent cabin heat
• Coolant seepage inside the HVAC housing
• Restricted heat transfer through a damaged core
• Heater performance loss from corrosion or internal blockage
• Replacement needs during HVAC system repair on Honda Passport and Isuzu Rodeo platforms

Installation Notes and Tips

Verify the core dimensions, tube diameter, and heater box layout before installation. Because adjustable pipe positioning is not included, confirm the tube orientation matches the original unit before reassembly. Inspect hoses, clamps, and the HVAC case for wear or contamination while the system is open. For best results, flush the cooling system if contamination or debris is present.

Quality Assurance

This Four Seasons heater core is listed as meeting or exceeding OEM specifications for the stated applications. Four Seasons heater core part 92086 is built as an aluminum replacement component for service work on the covered vehicles.