Four Seasons 90049 HVAC Heater Core

Overview of Four Seasons Heater Core 90049

The Four Seasons Heater Core 90049 is designed specifically for Buick and Oldsmobile vehicles, including the Aurora and Riviera models. This aluminum heater core provides reliable heating performance and meets or exceeds OEM standards for quality and durability.

• Core dimensions: 10-3/8 inches length, 6-1/4 inches width, 1 inch thickness
• Constructed from durable aluminum material
• Core height: 10.375 inches; core width: 6.250 inches; core depth: 1.000 inch
• Tube sizes: 0.625 inch (15.875 mm) and 0.750 inch (19.050 mm)
• Non-adjustable pipe positioning for direct fit
• Compatible with Buick Aurora and Oldsmobile Riviera models

Four Seasons Heater Core Product Line Details

The Four Seasons Heater Core product line focuses on delivering HVAC heater cores engineered to meet or exceed original equipment manufacturer specifications. The Heater Core line emphasizes quality materials such as aluminum for efficient heat transfer and corrosion resistance. Part number 90049 is part of this line, ensuring compatibility and performance for select Buick and Oldsmobile vehicles.

Product Description and Specifications

This HVAC heater core features an aluminum core measuring 10-3/8 inches in length, 6-1/4 inches in width, and 1 inch in thickness. The core height and width are precisely 10.375 inches and 6.250 inches respectively, with a core depth of 1 inch. The heater core includes two tubes sized at 0.625 inch (15.875 mm) and 0.750 inch (19.050 mm), designed for efficient coolant flow. The pipe positioning is fixed, ensuring a straightforward installation without the need for adjustments. This heater core is engineered to provide consistent heating performance and durability for Buick Aurora and Oldsmobile Riviera vehicles.

Common Applications and Issues Resolved

• Restores heating function in Buick Aurora and Oldsmobile Riviera HVAC systems
• Replaces leaking or clogged heater cores causing coolant loss
• Eliminates insufficient cabin heat due to core blockages or corrosion
• Addresses heater core failures that result in fogged windows or coolant odors
• Improves overall HVAC system efficiency and reliability

Installation Notes and Tips

When installing the Four Seasons Heater Core 90049, ensure compatibility with the specific Buick Aurora or Oldsmobile Riviera model year. The fixed pipe positioning requires alignment with existing HVAC connections. It is recommended to flush the cooling system before installation to prevent contamination. Proper sealing and secure hose connections will help avoid leaks and maintain system integrity.

Quality Assurance and Warranty

The Four Seasons Heater Core 90049 meets or exceeds OEM specifications, providing reliable performance and durability. Manufactured with corrosion-resistant aluminum, this heater core is designed for long service life. Please refer to Four Seasons' warranty policy for coverage details related to this part.