Four Seasons 91486 HVAC Heater Core

Overview of Four Seasons Heater Core 91486 for Pontiac LeMans

The Four Seasons Heater Core 91486 is designed specifically for Pontiac LeMans models, providing reliable heating performance. This HVAC heater core features a durable copper/brass construction that meets or exceeds OEM standards, ensuring consistent operation and longevity.

• Core dimensions: 8 inches length, 5-1/2 inches width, 2 inches thickness
• Constructed from copper and brass for efficient heat transfer
• Core depth and height both measure 2.000 inches and 8.000 inches respectively
• Tube diameter: 0.625 inches (15.875 mm) for both inlet and outlet tubes
• Non-adjustable pipe positioning for direct fitment
• Compatible with Pontiac LeMans HVAC systems
• Part number 91486 ensures exact replacement

Four Seasons Heater Core Product Line Details

The Four Seasons Heater Core product line focuses on delivering HVAC heater cores that maintain vehicle heating system efficiency and durability. This line emphasizes quality materials such as copper and brass, which provide superior heat conduction and corrosion resistance. The 91486 heater core is part of this line, designed to offer a precise fit and reliable performance for Pontiac LeMans vehicles.

Detailed Product Description

The Four Seasons Heater Core 91486 is engineered with a copper/brass core that facilitates effective heat exchange within the HVAC system of Pontiac LeMans models. Measuring 8 inches in length, 5-1/2 inches in width, and 2 inches in thickness, this heater core fits directly into the vehicle’s heating assembly without the need for pipe position adjustments. Both inlet and outlet tubes have a diameter of 0.625 inches (15.875 mm), matching OEM specifications for seamless integration. This heater core is designed to meet or exceed original equipment manufacturer standards, ensuring dependable heating performance and durability under normal operating conditions.

Common Applications and Issues Resolved

• Restores heating function in Pontiac LeMans HVAC systems
• Replaces leaking or clogged heater cores causing coolant loss
• Eliminates insufficient cabin heat due to core blockages
• Prevents engine overheating related to heater core failures
• Addresses corrosion or damage in original heater core components

Installation Notes and Tips

When installing the Four Seasons Heater Core 91486, ensure the vehicle is cooled down and coolant is drained to prevent spills. The non-adjustable pipe positioning requires precise alignment with existing HVAC connections in the Pontiac LeMans. Verify tube diameters and core dimensions before installation to confirm compatibility. Proper sealing and secure hose connections are essential to avoid leaks and maintain system pressure.

Quality Assurance and Warranty

This Four Seasons heater core is manufactured to meet or exceed OEM quality standards, providing reliable performance for Pontiac LeMans vehicles. While specific warranty details are not provided, Four Seasons products typically undergo rigorous testing to ensure durability and functionality in automotive HVAC applications.