HomeHVAC > Hoses and PipesFour Seasons 65378 A/C Refrigerant Suction Hose
Part #: 65378

Four Seasons 65378 A/C Refrigerant Suction Hose

Hose Assembly
⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Nissan, LEAF
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable A/C Refrigerant Suction Hose for Nissan LEAF

The Four Seasons Hose Assembly 65378 is designed specifically for the Nissan LEAF, providing a durable and efficient solution for your vehicle's HVAC system. This A/C refrigerant suction hose supports both R134a and R1234yf refrigerants, ensuring compatibility with modern air conditioning systems.

Key Features of Four Seasons Hose Assembly 65378

  • Constructed from aluminum and rubber for durability and flexibility
  • Compatible with refrigerants R134a and R1234yf
  • Includes gasket or seal for secure connections
  • Service port included for easy maintenance
  • Designed without muffler and bracket for straightforward installation

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing high-quality hose assemblies tailored for HVAC applications. This product line emphasizes reliable materials and precise fitment to maintain optimal air conditioning performance. The 65378 hose assembly is part of this line, engineered to meet the specific requirements of the Nissan LEAF's HVAC system.

Detailed Product Description

The Four Seasons 65378 A/C refrigerant suction hose combines aluminum and rubber materials to balance strength and flexibility, essential for handling refrigerant flow under varying temperatures and pressures. It supports both R134a and R1234yf refrigerants, making it suitable for Nissan LEAF models equipped with these refrigerants. The included gasket or seal ensures a tight, leak-free connection, while the service port allows for convenient system servicing. This hose assembly does not include a muffler or bracket, simplifying the installation process and reducing potential points of failure.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant suction hoses in Nissan LEAF vehicles
  • Resolving refrigerant leaks caused by cracked or deteriorated hoses
  • Upgrading to a hose compatible with both R134a and R1234yf refrigerants
  • Improving HVAC system efficiency by restoring proper refrigerant flow
  • Facilitating maintenance with an included service port

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 65378, ensure the gasket or seal is properly seated to prevent leaks. Since this hose does not include a bracket or muffler, verify that the existing mounting points on the Nissan LEAF are secure and intact. Use appropriate tools to avoid damaging the aluminum or rubber components during installation. The included service port allows for easy refrigerant charging and system diagnostics.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet industry standards for HVAC components. The 65378 hose assembly undergoes quality checks to ensure durability and compatibility with Nissan LEAF models. Please refer to Four Seasons' official warranty policy for specific coverage details.

BrandFour Seasons
Part Number65378
PositionHose Assembly
MaterialAluminum / rubber
Refrigerant TypeR134a r1234yf
Gasket Or Seal IncludedIncluded
Switch Service PortNo
Bracket?No
DescriptionHose assemblies
Muffler?W/o muffler
Service Port IncludedYes

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2024NissanLEAFN/Aw/o Heat Pump; Hose Assembly
2023NissanLEAFN/Aw/o Heat Pump; Hose Assembly
2022NissanLEAFN/Aw/o Heat Pump; Hose Assembly
2021NissanLEAFN/Aw/o Heat Pump; Hose Assembly

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

21267265378924806WK0AA66265

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.