Four Seasons 90016 HVAC Heater Core - Front

Reliable Heater Core Replacement for Select GM Vehicles

The Four Seasons Heater Core 90016 is designed to restore efficient heating performance in your Buick, Chevrolet, Oldsmobile, or Pontiac vehicle. Engineered with durable aluminum construction, this heater core ensures consistent heat transfer and long-lasting operation for models like the Century, Grand Prix, Impala, Intrigue, Montana, Monte Carlo, Regal, Riviera, Silhouette, and Trans Sport.

• Core dimensions: 10-1/4" length, 6-3/4" width, 2" thickness
• Constructed from corrosion-resistant aluminum material
• Meets or exceeds OEM specifications for reliable fit and function
• Includes 0.75" and 0.625" inlet and outlet tubes for proper coolant flow
• Designed specifically for HVAC heater core applications without adjustable pipe positioning

About the Four Seasons Heater Core Product Line

The Four Seasons Heater Core line focuses on delivering quality HVAC heater cores that meet or exceed original equipment manufacturer standards. This product line emphasizes durable aluminum cores that provide efficient heat exchange and corrosion resistance, ensuring dependable heating performance in a variety of GM vehicles. The 90016 heater core is part of this line, offering a direct replacement solution for multiple Buick, Chevrolet, Oldsmobile, and Pontiac models.

Product Details and Specifications

This heater core features a core height of 10.25 inches, width of 6.75 inches, and a depth of 2 inches, making it compatible with specific GM vehicle HVAC systems. The aluminum core material enhances heat transfer efficiency while resisting corrosion over time. The inlet and outlet tubes measure 0.75 inches and 0.625 inches respectively, ensuring proper coolant circulation through the core. This part does not include adjustable pipe positioning, matching the original design for straightforward installation.

Common Applications and Issues Addressed

• Restores heating system performance in Buick Century, Chevrolet Impala, and Pontiac Grand Prix
• Resolves heater core leaks causing coolant loss or interior fogging
• Eliminates insufficient cabin heat due to clogged or damaged cores
• Prevents overheating issues related to faulty heater cores
• Replaces corroded or deteriorated aluminum cores in older GM vehicles

Installation Notes and Tips

Installation of the Four Seasons Heater Core 90016 requires draining the vehicle’s cooling system and removing the HVAC housing to access the core. Ensure all connections, including the 0.75" and 0.625" tubes, are securely attached to prevent leaks. Since this heater core does not have adjustable pipe positioning, alignment should match the original equipment setup. It is recommended to inspect and replace any worn seals or hoses during installation to maintain system integrity.

Quality Assurance and Warranty

The Four Seasons Heater Core 90016 meets or exceeds OEM standards, providing reliable performance and durability. Manufactured with corrosion-resistant aluminum, this heater core is built to withstand typical operating conditions. Four Seasons offers a limited warranty on this part, covering defects in materials and workmanship to ensure customer confidence in the product’s quality.