Four Seasons 90551 HVAC Heater Core

Reliable Aluminum Heater Core for Chevrolet G10, G20, and G30

The Four Seasons Heater Core 90551 is designed to restore efficient heating performance in Chevrolet G10, G20, and G30 models. Crafted from durable aluminum, this heater core ensures consistent heat transfer and long-lasting operation.

• Core dimensions: 8.375 inches height, 5.875 inches width, 1.625 inches depth
• Constructed from corrosion-resistant aluminum material
• Tube sizes: 0.625 inch (15.88 mm) and 0.75 inch (19.05 mm) for optimal coolant flow
• Compatible with Chevrolet G10, G20, and G30 vans
• Part number 90551 for precise replacement

About the Four Seasons Heater Core Product Line

The Four Seasons Heater Core line focuses on providing reliable HVAC heater cores engineered for efficient heat exchange and durability. This aluminum heater core model 90551 is part of that line, offering a balance of corrosion resistance and thermal conductivity to maintain proper cabin heating in Chevrolet vans.

Product Details and Specifications

This HVAC heater core features an aluminum construction that resists corrosion and supports effective heat transfer. The core measures 8.375 inches in height, 5.875 inches in width, and 1.625 inches in depth, fitting precisely within the HVAC system of Chevrolet G10, G20, and G30 vehicles. The dual tube design includes one tube sized at 0.625 inches (15.88 mm) and another at 0.75 inches (19.05 mm), facilitating efficient coolant circulation through the core.

Common Applications and Problem Resolution

• Restores heating functionality in Chevrolet G10, G20, and G30 vans
• Replaces leaking or clogged heater cores causing coolant loss
• Eliminates insufficient cabin heat due to core blockages
• Prevents engine overheating related to heater core failures
• Addresses HVAC system malfunctions linked to damaged cores

Installation Notes and Tips

When installing the Four Seasons Heater Core 90551, ensure the vehicle is properly cooled and the HVAC system drained to avoid coolant spills. Verify tube connections match the specified sizes of 0.625 inch and 0.75 inch for a secure fit. Follow manufacturer guidelines for removal and replacement to maintain system integrity and prevent leaks.

Quality Assurance and Warranty

Four Seasons manufactures this heater core to meet OEM standards for fit and function. The aluminum construction provides durability against corrosion and wear. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.