Four Seasons 65644 A/C Refrigerant Liquid Hose

Reliable A/C Refrigerant Liquid Hose for Acura MDX and Honda Pilot

The Four Seasons Hose Assembly part number 65644 is designed to meet the demanding requirements of your Acura MDX or Honda Pilot's HVAC system. Engineered for high-pressure R134-a refrigerant applications, this liquid line hose assembly ensures proper refrigerant flow and system integrity.

Key Features of Four Seasons Hose Assembly 65644

• Constructed from durable aluminum and rubber materials for long-lasting performance
• Compatible with R134-a refrigerant systems operating under high pressure
• Includes gasket and fittings for secure, leak-free connections
• Equipped with a captured o-ring liquid line style and three green o-rings (part number 24606)
• Features a service port with switch port (M11x1.0) for easy system diagnostics
• Designed without a bracket for flexible installation options
• Includes an orifice tube and a female o-ring suction end type
• Service port size is 16 mm, suitable for high side service
• O.E. replacement part ensuring proper fit and function

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing reliable HVAC hoses and pipes engineered to meet original equipment specifications. This product line emphasizes quality materials and precise manufacturing to ensure compatibility and durability in automotive air conditioning systems. Part number 65644 is a liquid line hose assembly designed specifically for high-pressure refrigerant flow, making it a dependable choice for Acura MDX and Honda Pilot vehicles.

Detailed Product Description

This A/C refrigerant liquid hose assembly combines aluminum and rubber components to withstand the high pressures typical of R134-a systems. The captured o-ring design and included green o-rings provide a secure seal to prevent refrigerant leaks. The hose assembly features a service port with an integrated switch port, allowing for convenient system monitoring and maintenance. The M16 x 1.5 threaded liquid line and female o-ring suction end ensure proper fitment and connection within the HVAC system. This hose assembly is an exact O.E. replacement, designed to maintain the integrity and performance of your vehicle's air conditioning system.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant liquid hoses in Acura MDX and Honda Pilot models
• Resolving refrigerant leaks caused by degraded seals or fittings
• Restoring proper refrigerant flow and system pressure in high-pressure R134-a systems
• Facilitating accurate diagnostics with integrated service and switch ports
• Ensuring compatibility with original equipment specifications for reliable HVAC performance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 65644, ensure all O-rings are properly seated to prevent leaks. The included gasket and fittings should be tightened to manufacturer torque specifications. This hose assembly does not include a mounting bracket, so verify existing brackets or supports are secure before installation. Use appropriate tools to connect the M16 x 1.5 threaded liquid line and the M11 x 1.0 switch port. Always evacuate and recharge the A/C system according to vehicle manufacturer guidelines after installation.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed original equipment standards. Part number 65644 undergoes rigorous quality control to ensure durability and performance in high-pressure HVAC applications. This hose assembly is backed by Four Seasons' warranty coverage, providing confidence in its reliability for Acura MDX and Honda Pilot air conditioning systems.