Four Seasons 90762 HVAC Heater Core

Reliable Heater Core Replacement for Chevrolet and GMC Vehicles

The Four Seasons Heater Core 90762 is designed to restore efficient heating performance in select Chevrolet, GMC, Isuzu, and Oldsmobile models. Engineered with durable aluminum construction, this heater core ensures consistent heat transfer and long-lasting operation for your vehicle's HVAC system.

• Core dimensions: 8-1/4 inches length, 7-1/4 inches width, 1 inch thickness
• Constructed from corrosion-resistant aluminum material
• Compatible with Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, Oldsmobile Bravada, Chevrolet S10, and GMC Sonoma
• Meets or exceeds OEM specifications for reliable fit and function
• Includes dual tubes sized 0.625 inch and 0.750 inch for proper coolant flow

Four Seasons Heater Core Product Line Overview

The Four Seasons Heater Core line focuses on delivering quality HVAC heater cores that meet or exceed original equipment manufacturer standards. The 90762 model features an aluminum core designed for efficient heat exchange and durability, making it suitable for various mid-size trucks and SUVs from Chevrolet, GMC, Isuzu, and Oldsmobile. This product line emphasizes precise fitment and reliable performance to maintain your vehicle’s heating system integrity.

Detailed Product Description and Specifications

This HVAC heater core from Four Seasons measures 8.25 inches in height, 7.25 inches in width, and 1 inch in depth, providing a compact yet effective heating solution. The aluminum core material offers resistance to corrosion and improved heat transfer compared to traditional copper cores. The heater core features two tubes with diameters of 0.625 inch (15.875 mm) and 0.750 inch (19.05 mm), designed to accommodate coolant flow without adjustable pipe positioning. This ensures compatibility with the HVAC systems in Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, Oldsmobile Bravada, Chevrolet S10, and GMC Sonoma models.

Common Applications and Issues Addressed

• Restores heating function in vehicles with clogged or leaking heater cores
• Eliminates coolant leaks inside the passenger cabin
• Prevents engine overheating caused by heater core failure
• Resolves reduced cabin heat output during cold weather
• Replaces corroded or damaged aluminum heater cores in mid-size trucks and SUVs

Installation Notes and Tips

When installing the Four Seasons Heater Core 90762, ensure the vehicle is properly drained of coolant before removal of the old core. Verify tube sizes and core dimensions to confirm fitment with your specific Chevrolet, GMC, Isuzu, or Oldsmobile model. Handle the aluminum core carefully to avoid damage during installation. Professional installation is recommended to maintain HVAC system integrity and prevent leaks.

Quality Assurance and Warranty Information

The Four Seasons Heater Core 90762 meets or exceeds OEM standards, providing reliable performance and durability. This part is manufactured to strict quality controls to ensure proper fit and function. Please refer to Four Seasons’ warranty policy for specific coverage details related to this heater core.