Four Seasons 98606 HVAC Heater Core

Four Seasons 98606 Heater Core Overview

The Four Seasons 98606 heater core is an aluminum HVAC heater core built for direct replacement service in select Chevrolet Camaro and Pontiac Firebird applications. It is engineered to meet or exceed OEM requirements and uses aluminum core construction for efficient heat transfer in the vehicle’s heating system.

Compatible with 1982-1992 Chevrolet Camaro and 1985-1992 Pontiac Firebird heater core applications, this part number is a fitment-focused solution for restoring cabin heat performance. Four Seasons heater core 98606 is sized at 6 in. high, 7-1/4 in. wide, and 1-7/8 in. thick, with 0.625 in. and 0.750 in. tube dimensions.

Key Features

• Four Seasons heater core, part number 98606
• Aluminum heater core construction
• Meets or exceeds OEM specifications
• Core dimensions: 6 in. x 7-1/4 in. x 1-7/8 in.
• Tube sizes: 0.625 in. and 0.750 in.
• Direct-fit HVAC heater core for select Camaro and Firebird models

Product Details

Four Seasons 98606 is a heater core / aluminum heater core designed for HVAC systems that need reliable coolant-to-air heat exchange. The aluminum core material supports efficient thermal transfer, while the fixed pipe positioning helps maintain the intended factory-style layout. This part is listed for 1982-1992 Chevrolet Camaro and 1985-1992 Pontiac Firebird heater core service, making it a targeted replacement for common GM F-body heating repairs.

This part cross-references Spectra Premium 94606 and TYC 96026 for the same application.

Common Issues This Part May Resolve

• Weak or inconsistent cabin heat
• Coolant odor inside the vehicle
• Fogging caused by heater core leakage
• Loss of heater performance from a restricted core
• Internal corrosion in the original heater core

Installation Notes and Tips

Verify the tube sizes, core dimensions, and vehicle fitment before installation. On Camaro and Firebird heater core replacement jobs, access typically requires removal of HVAC components, so compare the original core layout and pipe orientation before reassembly. Flush the cooling system and inspect hoses, seals, and related HVAC components during service.

Quality Assurance

Four Seasons lists this heater core as meeting or exceeding OEM requirements. The aluminum construction and application-specific sizing support a factory-style replacement for select Chevrolet Camaro and Pontiac Firebird models.