Four Seasons 90002 HVAC Heater Core

Reliable Heater Core Replacement for Nissan Altima

The Four Seasons Heater Core 90002 is designed to restore efficient heating performance in your Nissan Altima. Crafted from durable aluminum, this heater core ensures consistent heat transfer and long-lasting operation.

• Core dimensions: 6 inches length, 7-3/4 inches width, 1-1/4 inches thickness
• Constructed with high-quality aluminum core material
• Core depth of 1.25 inches and height of 6 inches for precise fitment
• Tube diameter: 0.75 inches (19.05 mm) for both inlet and outlet tubes
• Meets or exceeds OEM specifications for reliable performance
• Non-adjustable pipe positioning for straightforward installation

About the Four Seasons Heater Core Product Line

The Four Seasons Heater Core line focuses on delivering dependable HVAC components that meet or exceed original equipment manufacturer standards. This aluminum heater core model 90002 is engineered to provide efficient heat exchange and durability, making it a suitable replacement part for Nissan Altima vehicles requiring HVAC system repairs.

Product Details and Specifications

This HVAC heater core features an aluminum construction that offers corrosion resistance and effective heat conduction. The core measures 6 inches in length, 7-3/4 inches in width, and 1-1/4 inches in thickness, with a core depth of 1.25 inches and height of 6 inches. Both inlet and outlet tubes have a diameter of 0.75 inches (19.05 mm), ensuring compatibility with the Nissan Altima's heating system plumbing. The pipe positioning is fixed, which simplifies the replacement process by matching the original equipment layout.

Common Applications and Issues Addressed

• Restores heating function in Nissan Altima models with failing heater cores
• Resolves coolant leaks inside the vehicle cabin
• Eliminates fogging or moisture buildup on windows caused by heater core failure
• Improves HVAC system efficiency and passenger comfort
• Prevents engine overheating related to heater core malfunctions

Installation Notes and Tips

When installing the Four Seasons Heater Core 90002, ensure the vehicle is properly drained of coolant before removal of the old core. Verify the fixed pipe positioning aligns with the Nissan Altima’s HVAC system connections. Handle the aluminum core carefully to avoid damage to the fins or tubes. Refill the cooling system and check for leaks after installation to confirm proper sealing and operation.

Quality Assurance and Warranty

This heater core meets or exceeds OEM standards, providing reliable performance and durability. Four Seasons products are backed by quality control processes to ensure fit and function. Please refer to Four Seasons’ official warranty policy for specific coverage details related to part number 90002.