Global Parts 8231379 HVAC Heater Core - Front

Overview of Global Parts HVAC Heater Core 8231379

The Global Parts HVAC Heater Core 8231379 is designed for reliable heating performance in select GM vehicles. Constructed from durable aluminum, this heater core is compatible with various Cadillac, Chevrolet, GMC, and Hummer models, providing efficient heat transfer and long-lasting operation.

• Core material: Aluminum for enhanced heat dissipation
• Core dimensions: 7.11 inches height, 8.19 inches width, 1.02 inches thickness
• Inlet diameter: 0.75 inches for standard hose connections
• Non-adjustable pipe positioning for direct replacement
• Compatible with multiple GM trucks and SUVs including Silverado, Sierra, Escalade, and Hummer H2

Detailed Product Description

This HVAC heater core from Global Parts features an aluminum core that ensures efficient heat transfer while resisting corrosion. The core measures 7.11 inches in height, 8.19 inches in width, and 1.02 inches in thickness, fitting precisely within the HVAC system of compatible vehicles. The inlet diameter of 0.75 inches matches standard coolant hose sizes, facilitating straightforward installation. The pipe positioning is fixed, designed to match the original equipment specifications for a direct fit without modification.

Specifically engineered for use in Cadillac Escalade, Chevrolet Silverado 1500 and 2500 series, GMC Sierra 1500 through 3500 HD models, Hummer H2, and other related vehicles, this heater core supports the heating system's function by circulating engine coolant to warm the cabin air effectively.

Compatible Vehicles and Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 1500 and 2500, Silverado 1500 Classic, 1500 HD, 2500 HD, 3500 HD
• GMC Sierra 1500 Classic, 1500 HD Classic, 2500 HD Classic, 3500 Classic, 3500 HD
• Hummer H2
• Suburban 1500 and 2500, Tahoe, Yukon XL 1500 and 2500

Common Issues Addressed by This Heater Core

• Insufficient cabin heat during cold weather
• Coolant leaks inside the vehicle’s HVAC system
• Overheating caused by clogged or damaged heater core
• Fogging or moisture buildup on interior windows
• Unpleasant odors from coolant contamination

Installation Notes and Tips

• Ensure the vehicle is fully cooled before beginning installation
• Drain the cooling system to prevent spills and contamination
• Verify hose and pipe connections match the 0.75-inch inlet diameter
• Replace any worn or damaged hoses during installation
• Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty

Global Parts manufactures this heater core to meet or exceed OEM specifications, using corrosion-resistant aluminum for durability. While specific warranty details may vary, Global Parts typically offers coverage against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.