Four Seasons 98608 HVAC Heater Core

Overview of Four Seasons Heater Core 98608

The Four Seasons Heater Core 98608 is designed to restore efficient heating performance in select Chevrolet, GMC, and Oldsmobile vehicles. Engineered with durable aluminum construction, this heater core ensures reliable heat transfer and long-lasting operation for models like the Chevrolet S10 Blazer and GMC Jimmy.

• Core dimensions: 7-3/4" length, 5-7/8" width, 1-7/8" thickness
• Constructed from corrosion-resistant aluminum
• Tube sizes: 0.625" (15.875 mm) and 0.750" (19.050 mm)
• Meets or exceeds OEM specifications
• Non-adjustable pipe positioning for direct fit

Detailed Product Description

This Four Seasons Heater Core from the Heater Core product line is built to meet the exacting standards required for proper HVAC function in Chevrolet, GMC, and Oldsmobile vehicles. The aluminum core material provides efficient heat exchange while resisting corrosion and wear. With core dimensions of 7.75 inches in height, 5.875 inches in width, and a depth of 1.875 inches, this heater core is designed for a precise fit in compatible models including the Chevrolet Bravada, GMC S15 Jimmy, and Oldsmobile S15. The two inlet tubes measure 0.625 inches and 0.750 inches respectively, ensuring proper coolant flow through the core. The part number 98608 identifies this specific heater core, which meets or exceeds OEM quality standards for durability and performance.

Compatible Vehicles and Applications

This heater core is compatible with the following makes and models:

• Chevrolet Bravada, Jimmy, S10, S10 Blazer, S15
• GMC Jimmy, S15, Sonoma
• Oldsmobile S15 Jimmy

It is designed to replace the original heater core in these vehicles, restoring heating efficiency and cabin comfort.

Common Issues Addressed by This Heater Core

• Insufficient cabin heat due to clogged or leaking heater core
• Coolant leaks inside the vehicle causing fogging or damp carpets
• Overheating caused by poor coolant circulation through the heater core
• Unpleasant odors from coolant contamination in the HVAC system
• Reduced HVAC system performance impacting defrost and heating functions

Installation Notes and Tips

• Ensure the heater core dimensions match the vehicle’s OEM specifications before installation
• Drain the cooling system completely to avoid spills during removal
• Handle the aluminum core carefully to prevent damage to fins and tubes
• Replace all associated seals and hoses to prevent leaks
• Bleed the cooling system properly after installation to remove air pockets

Quality Assurance and Warranty

The Four Seasons Heater Core 98608 is manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. This part undergoes rigorous quality control to maintain consistent fit and function. While specific warranty details may vary, Four Seasons typically offers a limited warranty covering defects in materials and workmanship for this heater core.