Four Seasons 66523 A/C Refrigerant Suction & Liquid Line Heat Exchange Hose Assembly

The Four Seasons 66523 is a complete suction and liquid line hose assembly with internal heat exchange technology designed for automotive air conditioning systems. This precision-engineered component combines both the suction line (low-pressure side) and liquid line (high-pressure side) into a single integrated assembly with an internal heat exchanger that improves A/C system efficiency.

Key Features:

• Internal heat exchange design transfers heat between suction and liquid lines for improved cooling efficiency
• Complete assembly includes both suction and liquid lines with factory-installed fittings
• Engineered to OEM specifications for reliable fit and performance
• Constructed from durable materials designed to withstand high refrigerant pressures and temperature extremes
• Pre-crimped connections ensure leak-free operation
• Direct replacement for original equipment hose assembly

Four Seasons is a trusted name in automotive climate control components, offering parts that meet or exceed OEM standards. This hose assembly is designed for professional installation and should be installed by a qualified technician as part of a complete A/C system service. System should be evacuated, recharged, and leak tested after installation.