Four Seasons 96137 HVAC Heater Core

Four Seasons 96137 Heater Core Overview

The Four Seasons 96137 heater core is an aluminum HVAC heater core built for dependable cabin heat and stable coolant-to-air transfer. With a compact 10.75 in. height, 8 in. width, and 2.5 in. depth, it is sized for select vehicle HVAC housings that require a direct-fit heater core replacement.

Four Seasons heater core 96137 is part of the Heater Core product line, backed by more than 50 years of mobile A/C experience and engineered for long service life. If you are searching for a heater core for Honda Civic or similar vehicle applications, this part number is a focused replacement option for restoring heat output and defrost performance.

Key Features

• Aluminum heater core construction for efficient heat transfer
• Core dimensions: 10.75 in. height, 8 in. width, 2.5 in. depth
• Tube size: 0.625 in. / 15.88 mm on both connections
• HVAC heater core replacement for select vehicle heating systems
• Four Seasons part number 96137 for catalog and cross-reference lookup

Product Details

This HVAC heater core is designed to circulate engine coolant through the heater housing so the blower can deliver warm air into the cabin. The aluminum core design supports efficient thermal transfer and is a practical choice when replacing a leaking, restricted, or heat-reduced heater core. Four Seasons 96137 is also cross-referenced with Spectra Premium 99441 for the same application.

For buyers comparing heater core replacement parts for Honda Civic applications, Four Seasons 96137 provides a straightforward OE-style service part reference. The compact core size and matching tube dimensions help make it a relevant option when the original heater core has failed or no longer delivers consistent heat.

Common Problems This Part Can Address

• Weak or uneven cabin heat
• Coolant odor inside the vehicle
• Fogging or poor windshield defrost performance
• Coolant seepage from the HVAC heater core area
• Restricted coolant flow through the heater circuit

Installation Notes and Tips

Verify core dimensions, tube diameter, and HVAC case layout before installation. Drain the cooling system as required, inspect hoses and clamps for wear, and flush the heater circuit if contamination or restriction is present. After installation, refill and bleed the cooling system according to the vehicle service procedure to help prevent air pockets and poor heater performance.

Quality Assurance

Four Seasons engineers and tests its products for long-term, trouble-free operation. Backed by over 50 years of mobile A/C experience, the brand positions this heater core as a service part built for reliable HVAC repair.