Four Seasons 98615 HVAC Heater Core

Four Seasons 98615 Heater Core Overview

The Four Seasons 98615 heater core is an aluminum HVAC heater core built to meet or exceed OEM requirements. With a 9.5-inch core height, 6-inch core width, and 2-inch core depth, it is sized for direct replacement applications in select Chevrolet and GMC trucks and SUVs equipped with air conditioning.

Four Seasons Heater Core line parts are focused on replacement HVAC components that match original equipment dimensions and material construction. This aluminum heater core is intended for vehicles that need dependable cabin heat transfer and a proper fit within the HVAC case.

Key Features

• Aluminum heater core construction
• Core dimensions: 9-1/2 in. length, 9.5 in. height, 6 in. width, 2 in. thickness
• Tube sizes: 0.625 in. and 0.750 in.
• Meets or exceeds OEM specifications
• Direct replacement HVAC heater core for select applications
• Part number 98615 for catalog and fitment lookup

Detailed Description

Four Seasons 98615 is an aluminum HVAC heater core designed for vehicles that require a precise replacement unit inside the heater box. The aluminum core material supports efficient heat transfer while maintaining the dimensions needed for proper installation in the HVAC system. This part number 98615 is listed for select 1967-1972 Chevrolet C10 Suburban, C20 Suburban, K10 Suburban, and K20 Suburban applications, plus 1969-1972 Chevrolet Blazer and 1970-1972 GMC Jimmy models equipped with air conditioning. This part cross-references Remy 94615 for the same application.

For buyers searching for a Chevrolet Blazer heater core, GMC Jimmy heater core, or a heater core for 1967-1972 Chevrolet Suburban models, Four Seasons 98615 provides a cataloged replacement option with OEM-style dimensions and aluminum construction.

What This Part Helps Address

• Weak or uneven cabin heat
• Coolant odor inside the vehicle
• Interior fogging caused by heater core leakage
• Restricted heat output from a clogged core
• Replacement needs after heater core corrosion or failure

Installation Notes and Tips

Verify HVAC case dimensions, tube orientation, and vehicle equipment before installation. This heater core has adjustable pipe positioning marked as no, so the inlet and outlet locations should be matched carefully to the original unit. Confirm the vehicle is equipped with air conditioning, as listed in the fitment data for these Chevrolet and GMC applications. Inspect hoses, seals, and the HVAC housing during replacement to help ensure a proper repair.

Quality Assurance

Four Seasons lists this heater core as meeting or exceeding OEM specifications. The aluminum construction and cataloged dimensions support a direct replacement approach for the specified Chevrolet and GMC applications.