Four Seasons 92370 HVAC Heater Core

Four Seasons 92370 Heater Core Overview

The Four Seasons 92370 heater core is a specific-fit aluminum HVAC heater core for select Honda and Isuzu applications. It is built to meet or exceed OEM requirements and is sized for direct replacement in vehicles that need dependable cabin heat and stable coolant-to-air transfer.

Compatible with 1988-1995 Isuzu Pickup, 1989-1994 Isuzu Amigo, 1991-1995 Isuzu Rodeo, 1996 Isuzu Rodeo to 4/96, and 1994-1997 Honda Passport, this heater core supports accurate fitment for common heater core replacement jobs. The Four Seasons heater core line focuses on OE-style service parts for HVAC repair.

Key Features

• Brand: Four Seasons Heater Core
• Part number: 92370
• Specific-fit HVAC heater core for targeted applications
• Aluminum core material for efficient heat transfer
• Core dimensions: 5-1/2 in. height, 6 in. width, 1-1/4 in. depth
• Tube size: 0.625 in. / 15.875 mm on both connections
• Meets or exceeds OEM specifications
• Adjustable pipe positioning: No

Product Details

The Four Seasons 92370 heater core is an aluminum heater core built for HVAC systems that require a direct-fit replacement. Its specific-fit design helps maintain proper alignment in the heater case, while the compact core dimensions support installation in the listed Honda Passport and Isuzu models. If you are replacing a leaking or restricted heater core, this part number 92370 provides an OE-style solution for restoring heat output and coolant flow through the cabin heater circuit.

This part cross-references Spectra Premium 98283 and Dorman - HELP 91370 for the same application.

Common Heater Core Replacement Issues

• Loss of cabin heat in cold weather
• Coolant odor inside the vehicle
• Fogging or film on the inside of the windshield from heater core leakage
• Restricted coolant flow through the HVAC heater circuit
• Temperature inconsistency from a damaged or clogged heater core

Installation Notes and Tips

• Verify vehicle application by year, make, and model before ordering.
• Confirm the heater case and tube orientation match the original part.
• Inspect hoses, clamps, and coolant condition during heater core replacement.
• Flush the cooling system if contamination or debris is present.
• Bleed air from the cooling system after installation to help restore proper heater performance.

Quality Assurance

Four Seasons identifies this heater core as meeting or exceeding OEM requirements. The aluminum construction and specific-fit design support consistent replacement quality for HVAC service on the listed Honda and Isuzu vehicles.