Four Seasons 98733 HVAC Heater Core

Four Seasons 98733 Heater Core for Jeep Wrangler

The Four Seasons 98733 heater core is an aluminum HVAC replacement built for 1987-1995 Jeep Wrangler models. It matches the listed core dimensions and tube sizes for a direct-fit heater core service in the Wrangler heating system.

Key Features

• Brand: Four Seasons Heater Core
• Part number: 98733
• Aluminum heater core construction
• Core dimensions: 7 in. length, 5-7/8 in. width, 1-7/8 in. thickness
• Core depth: 1.875 in.; core height: 7.000 in.; core width: 5.875 in.
• Tube sizes: 5/8 in. and 3/4 in.
• Meets or exceeds OEM requirements
• Compatible with 1987-1995 Jeep Wrangler heater core applications

Product Details

Four Seasons 98733 is an aluminum HVAC heater core designed for Jeep Wrangler heating service across the 1987-1995 model years. The aluminum core material supports efficient heat transfer, while the listed tube dimensions and overall core measurements help match the original heater core layout. This part cross-references Dorman - HELP 96038 and FEL-PRO 9242 for the same application.

Use this heater core when servicing a Jeep Wrangler with reduced cabin heat or when the original core shows signs of leakage or internal restriction. The Four Seasons heater core line focuses on replacement components for HVAC repair, and this unit is specified as an OEM-level replacement for the listed application.

What It Helps Fix

• Loss of cabin heat in a Jeep Wrangler
• Coolant odor inside the vehicle from a leaking heater core
• Fogging or film on the windshield caused by HVAC coolant leakage
• Restricted coolant flow through the heater circuit
• Heating performance issues tied to a damaged core

Installation Notes and Tips

Verify the core dimensions, tube diameters, and vehicle fitment before installation. For 1987-1995 Jeep Wrangler heater core replacement, compare the original unit’s tube orientation and mounting layout to the specifications listed here. Flush the cooling system and inspect related HVAC components before reassembly to help prevent repeat contamination or flow issues.

Quality Assurance

Four Seasons lists this heater core as meeting or exceeding OEM requirements. Confirm all fitment details against the vehicle before installation to ensure the correct Jeep Wrangler heater core replacement.