Four Seasons 66401 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66401

The Four Seasons Hose Assembly 66401 is designed specifically for Nissan Sentra models requiring a reliable A/C refrigerant suction hose. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow within the vehicle's HVAC system.

• Material: Aluminum and rubber construction for durability and flexibility
• End 1 Type: Flange connection
• End 2 Type: P-nut fitting for secure attachment
• Refrigerant Type: Compatible with R134a refrigerant
• Includes gasket and fittings for proper sealing and installation
• Equipped with a muffler to reduce noise during operation
• Service port included with 13 mm size for easy maintenance
• O-rings included: black [24150] and green [24684] for leak prevention
• OE replacement part ensuring proper fit and function

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering complete hose solutions for automotive HVAC systems. This product line includes assemblies that combine aluminum and rubber components to meet OEM specifications. The 66401 hose assembly is part of this line, providing a direct replacement for the suction line in Nissan Sentra vehicles, ensuring compatibility and system integrity.

Detailed Product Description

This A/C refrigerant suction hose assembly is engineered to handle low-pressure refrigerant flow in Nissan Sentra HVAC systems using R134a refrigerant. The combination of aluminum and rubber materials offers both strength and flexibility, reducing the risk of leaks or damage from vibration. The flange and P-nut fittings on each end provide secure connections to the vehicle’s A/C components. Included gaskets and O-rings ensure a tight seal, while the integrated muffler helps minimize operational noise. The service port allows for convenient system servicing without disassembly.

Common Applications and Issues Addressed

• Replacement of worn or cracked suction hoses in Nissan Sentra A/C systems
• Resolving refrigerant leaks caused by damaged fittings or seals
• Eliminating noise issues related to suction line vibrations with built-in muffler
• Maintaining proper refrigerant flow and pressure for efficient cooling
• Facilitating routine A/C system maintenance through included service port

Installation Notes and Tips

• Ensure vehicle compatibility: specifically designed for Nissan Sentra models
• Use included gaskets and O-rings to prevent leaks during installation
• Check that flange and P-nut fittings are securely tightened to manufacturer torque specs
• Inspect the service port for accessibility before final assembly
• Verify refrigerant type R134a is used in the system before installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66401 is an OE replacement part manufactured to meet or exceed original equipment standards. It includes all necessary fittings and seals for a complete installation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship to ensure reliability and customer confidence.