HomeHVAC > Hoses and PipesFour Seasons 66393 A/C Refrigerant Suction Hose
Part #: 66393

Four Seasons 66393 A/C Refrigerant Suction Hose

Hose Assembly
8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Nissan, 370Z
Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 66393 for Nissan 370Z

The Four Seasons Hose Assembly 66393 is designed specifically for the Nissan 370Z, providing a reliable A/C refrigerant suction hose solution. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow for your vehicle's HVAC system.

  • Constructed from aluminum and rubber for durability and flexibility
  • Features a springlock fitting on one end and a P-nut fitting on the other
  • Compatible with R134-a refrigerant systems
  • Includes gasket, fittings, and bracket for secure installation
  • Equipped with a 13 mm low-side service port for easy maintenance
  • OE replacement part designed to meet Nissan 370Z specifications

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. This line includes assemblies that combine multiple components such as fittings, gaskets, and brackets to simplify installation and ensure system integrity. The 66393 hose assembly is part of this line, offering a ready-to-install suction line that meets OEM standards for the Nissan 370Z.

Detailed Product Description

This A/C refrigerant suction hose assembly is built to handle low-pressure refrigerant flow within the Nissan 370Z’s HVAC system. The combination of aluminum and rubber materials provides both strength and flexibility, reducing the risk of leaks or damage under normal operating conditions. The springlock fitting on one end and P-nut fitting on the other ensure a secure connection to the vehicle’s A/C components. Included gaskets and fittings help maintain a tight seal, while the attached bracket supports proper hose routing and stability. The hose assembly is designed without a muffler or switch port but includes a single 13 mm low-side service port for convenient servicing.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant suction hoses on Nissan 370Z
  • Resolving refrigerant leaks caused by cracked or deteriorated hose materials
  • Restoring proper low-pressure refrigerant flow for efficient A/C system performance
  • Eliminating connection failures due to faulty or missing fittings and seals
  • Supporting maintenance tasks with included service port and fittings

Installation Notes and Tips

  • Ensure compatibility with Nissan 370Z HVAC system before installation
  • Use included gaskets and fittings to achieve a proper seal and prevent leaks
  • Secure the hose assembly using the provided bracket to avoid movement and wear
  • Check the service port for accessibility to facilitate future refrigerant servicing
  • Inspect O-rings ([24220] spring, [24670] green, and [24684] green) and replace if necessary during installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66393 is an OE replacement part designed to meet or exceed original equipment specifications for the Nissan 370Z. It undergoes rigorous quality control to ensure durability and performance in automotive HVAC applications. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use conditions.

BrandFour Seasons
Part Number66393
PositionHose Assembly
Bracket?w/ Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeSpringlock
End 2 TypeP-Nut Fitting
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24220] / Spring
O-Ring B Number/Desc[24670] / Green O-Ring
O-Ring C Number/Desc[24684] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134-A
Service Port Qty1
Service Port Size13 mm
Service Port?w/ Service Port
Suction End TypeP-Nut Fitting
Sve Port Low SideLow Side
Switch Included?Not Included
System PressureLow Pressure

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2018Nissan370ZN/ASuction Line; Hose Assembly
2017Nissan370ZN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2016Nissan370ZN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2015Nissan370ZN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2014Nissan370ZN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2013Nissan370ZN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2012Nissan370ZN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2011Nissan370ZN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; 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:

211304481329966393785833924801EA0BA82906HA112735C

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