Four Seasons 65521 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 65521

The Four Seasons Hose Assembly 65521 is designed specifically for Toyota Sequoia vehicles requiring a reliable A/C refrigerant discharge hose. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system integrity for R134-a refrigerant systems.

• Compatible with Toyota Sequoia models
• Constructed from aluminum and rubber for durability
• Includes gasket and fittings for secure installation
• Designed as a discharge line for R134-a refrigerant
• O-ring included: two green O-rings (part number 24661)
• Original Equipment (O.E.) replacement part
• Features p-nut fitting on suction end
• Does not include bracket, muffler, or service port

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing complete hose assemblies for automotive HVAC systems. These assemblies are engineered to meet or exceed original equipment specifications, offering direct replacements that simplify repairs. The 65521 discharge hose assembly is part of this line, delivering a ready-to-install solution that includes necessary fittings and seals to maintain system performance.

Product Description and Specifications

This A/C refrigerant discharge hose assembly is constructed from a combination of aluminum and rubber, providing both flexibility and strength to withstand the pressures and temperatures within the HVAC system. It is designed for use with R134-a refrigerant, the standard for many modern vehicles including the Toyota Sequoia. The assembly includes two green O-rings (part number 24661) and all required fittings, ensuring a secure and leak-free connection. The hose features a p-nut fitting on the suction end and does not include a bracket, muffler, or service port, which aligns with the original equipment design for this application.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge hoses in Toyota Sequoia
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper refrigerant flow to improve A/C system efficiency
• Addressing issues related to failed seals or fittings in the discharge line
• Maintaining system integrity after component failure or during HVAC system overhaul

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 65521, ensure the vehicle is compatible with R134-a refrigerant systems. Use the included gasket and fittings to secure connections and prevent leaks. The absence of a bracket or muffler means the hose should be mounted using existing vehicle hardware. Verify the p-nut fitting is properly tightened on the suction end. It is recommended to inspect all O-rings and replace if necessary to maintain a proper seal.

Quality Assurance and Warranty

This hose assembly is an Original Equipment replacement part, designed to meet the specifications of the Toyota Sequoia HVAC system. Four Seasons products undergo rigorous quality control to ensure durability and performance. The part includes all necessary seals and fittings to facilitate a reliable installation. Warranty information is provided by Four Seasons and typically covers defects in material and workmanship under normal use.