Four Seasons 66243 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66243

The Four Seasons Hose Assembly 66243 is designed specifically for Subaru Impreza, Legacy, and Outback models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.

• Constructed from durable aluminum and rubber materials
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134a refrigerant systems
• Includes gasket and fittings for proper sealing and installation
• Features a 13 mm service port for low-side system access
• OE replacement part ensuring direct fit and function

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering complete hose solutions for automotive HVAC systems. These assemblies combine high-quality materials and precise fittings to replace original equipment parts, providing dependable refrigerant suction lines that meet manufacturer specifications. The 66243 hose assembly is part of this line, offering a direct replacement for Subaru vehicles requiring a low-pressure suction hose without additional brackets or mufflers.

Product Features and Specifications

This A/C refrigerant suction hose is constructed with a combination of aluminum and rubber, providing flexibility and corrosion resistance. Both ends feature P-nut fittings, ensuring a secure and leak-free connection to the HVAC system. The hose is designed for use with R134a refrigerant and includes two black O-rings (part number 24150) to maintain a tight seal. It comes with one service port sized at 13 mm on the low-pressure side, facilitating system servicing without the need for additional components. The assembly does not include a switch or bracket, streamlining installation for compatible Subaru models.

Common Applications and Problem Resolution

• Replacement of worn or leaking A/C refrigerant suction hoses in Subaru Impreza, Legacy, and Outback
• Restoring proper refrigerant flow to improve air conditioning efficiency
• Eliminating low-pressure leaks that cause system performance issues
• Addressing hose damage from wear, corrosion, or environmental exposure
• Ensuring compatibility with R134a refrigerant systems for reliable operation

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66243, ensure all fittings and O-rings are properly seated to prevent refrigerant leaks. Use the included gasket and fittings for a secure connection. Since this assembly does not include a bracket or muffler, verify existing mounting points on the vehicle for proper hose routing. The 13 mm service port allows for convenient system charging and diagnostics. Always follow manufacturer guidelines for refrigerant handling and system evacuation during installation.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, meeting original equipment specifications for fit and function. The product includes all necessary seals and fittings to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.