Four Seasons 96115 HVAC Heater Core

Four Seasons 96115 Heater Core

The Four Seasons 96115 heater core is an aluminum HVAC heater core built for dependable cabin heat transfer and consistent performance. It is engineered and tested for long service life, making it a practical replacement for vehicles that need restored heater output and stable coolant-to-air heat exchange.

Four Seasons Heater Core products are part of a focused HVAC line backed by more than 50 years of mobile A/C experience. This heater core follows that product-line approach with aluminum construction and application-specific dimensions for a direct-fit repair on supported vehicles.

Key Features

• Aluminum heater core construction
• Core dimensions: 12 in. wide, 6.375 in. high, 1.875 in. deep
• Tube size: 0.75 in. / 19.05 mm
• HVAC heater core replacement for cabin heat restoration
• Four Seasons part number 96115

Product Details

This Four Seasons heater core, part number 96115, is built as an aluminum heater core / aluminum heater core assembly for HVAC service. The compact core size and tube dimensions support proper coolant flow and heat exchange in the heater box. For drivers searching for a heater core for Honda Civic or Toyota Corolla applications, this replacement is intended for vehicles listed in the fitment data and should be matched by year, make, and model before installation. The 96115 heater core is also cross-referenced to Spectra Premium 99396 for the same application.

What It Helps Fix

• Weak or uneven cabin heat
• Coolant odor inside the vehicle
• Fogging or film on the windshield caused by heater core leakage
• Restricted heat output from a clogged heater core
• HVAC performance loss from a leaking or corroded core

Installation Notes

Confirm vehicle fitment by year, make, and model before ordering. Heater core replacement typically requires access to the HVAC case, so compare the original core dimensions and tube locations with the replacement part before installation. Flush the cooling system and inspect hoses, clamps, and the heater control system for contamination or wear before returning the vehicle to service. For a heater core replacement on supported Honda Civic or Toyota Corolla applications, verify the part number 96115 against the original unit and the vehicle’s HVAC layout.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation. With more than 50 years of mobile A/C experience behind the brand, this heater core is built to support a reliable HVAC repair when installed in the correct application.