HomeHVAC > Hoses and PipesFour Seasons 56865 A/C Refrigerant Suction Hose
Part #: 56865

Four Seasons 56865 A/C Refrigerant Suction Hose

Hose Assembly
5 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Nissan, Sentra, Tsuru, and NX
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Reliable A/C Refrigerant Suction Hose for Nissan NX and Sentra

The Four Seasons Hose Assembly 56865 is designed specifically for Nissan NX and Sentra models requiring R12 refrigerant systems. This A/C refrigerant suction hose ensures proper low-pressure system operation with included fittings and seals for a secure installation.

  • Compatible with Nissan NX and Sentra models using R12 refrigerant
  • Includes p-nut fitting on one end and captured o-ring on the other
  • Equipped with a female o-ring suction end and green o-ring seal (part number 24612)
  • Low-pressure suction line designed for A/C refrigerant systems
  • Includes service port with 7/16" - 20 size for maintenance access
  • Fittings and gasket/seal included for direct OE replacement
  • Does not include bracket, muffler, or switch

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 come with all necessary fittings and seals, designed to meet original equipment specifications. The 56865 suction hose assembly is part of this line, providing a ready-to-install component that supports reliable refrigerant flow and system pressure management in Nissan vehicles.

Detailed Product Description

The Four Seasons 56865 A/C refrigerant suction hose is engineered for low-pressure refrigerant flow in R12 systems. Featuring a p-nut fitting on one end and a captured o-ring on the other, this hose assembly ensures a tight, leak-resistant connection. The included green o-ring (part number 24612) and gasket provide a secure seal, while the service port allows for easy system servicing without hose removal. This suction line is a direct OE replacement, designed without a bracket, muffler, or switch, simplifying installation and maintenance.

Common Applications and Issues Addressed

  • Replacement of worn or leaking suction hoses in Nissan NX and Sentra A/C systems
  • Restoring proper refrigerant flow and low-pressure system function
  • Eliminating refrigerant leaks caused by damaged fittings or seals
  • Facilitating maintenance with included service port for pressure checks
  • Ensuring compatibility with R12 refrigerant systems in specified Nissan models

Installation Notes and Tips

  • Verify vehicle compatibility with Nissan NX or Sentra models using R12 refrigerant before installation
  • Ensure all fittings and seals are properly seated to prevent leaks
  • Use the included service port for system pressure testing during installation
  • Do not attempt to install if the hose assembly includes damage or missing components
  • Consult vehicle service manual for torque specifications on p-nut fittings

Quality Assurance and Warranty

Four Seasons Hose Assembly 56865 meets original equipment standards for fit and function. The product includes all necessary fittings and seals to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Refer to Four Seasons documentation for complete warranty information.

BrandFour Seasons
Part Number56865
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeP-Nut Fitting
End 2 TypeCaptured O-Ring
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Muffler?w/o Muffler
O-Ring A Number/Desc[24612] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR12
Service Port Qty1
Service Port Size7/16" - 20
Service Port TypeService Port
Service Port?w/ Service Port
Suction End TypeFemale O-Ring
Switch Included?Not Included
System PressureLow Pressure

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993NissanSentra1.6LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1992NissanNX1.6LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1992NissanSentra1.6LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1991NissanNX1.6LL4N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1991NissanSentra1.6LL4N/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:

111568651534212191877562820353785159568657851598024529248065Y01A82035CWK785159HA112177T56865

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