HomeHVAC > Hoses and PipesFour Seasons 55129 A/C Refrigerant Discharge Hose
Part #: 55129

Four Seasons 55129 A/C Refrigerant Discharge Hose

Hose Assembly
2 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: INFINITI and Nissan, QX4 and Pathfinder
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Reliable A/C Refrigerant Discharge Hose for Nissan and Infiniti

The Four Seasons Hose Assembly 55129 is designed to provide a dependable replacement for the A/C refrigerant discharge hose in select Nissan and Infiniti vehicles. Engineered to meet original equipment specifications, this hose assembly ensures proper refrigerant flow and system integrity for models like the Nissan Pathfinder and Infiniti QX4.

Key Features of Four Seasons Hose Assembly 55129

  • Compatible refrigerant type: R134a
  • Includes gasket and fittings for secure installation
  • Discharge line component type with P-nut fitting suction end
  • Comes with two green O-rings (part number 24661) for sealing
  • Original equipment replacement part for Nissan Pathfinder and Infiniti QX4
  • Does not include switch, bracket, muffler, or service port

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing complete hose assemblies tailored for HVAC systems in various vehicles. This product line emphasizes compatibility and ease of installation by including necessary fittings and seals, such as gaskets and O-rings, to ensure a proper fit and leak-free operation. The 55129 hose assembly is part of this line, offering a direct replacement solution for the refrigerant discharge hose in specific Nissan and Infiniti models.

Detailed Product Description

This A/C refrigerant discharge hose assembly is designed specifically for use with R134a refrigerant systems. It features a discharge line component type with a P-nut fitting on the suction end, facilitating a secure connection within the HVAC system. The package includes two green O-rings (part number 24661) and necessary fittings to maintain a tight seal and prevent refrigerant leaks. The hose assembly does not include a switch, bracket, muffler, or service port, aligning with the original equipment design for the Nissan Pathfinder and Infiniti QX4. As an OE replacement part, it meets the specifications required for reliable HVAC system performance.

Common Issues Addressed by This Hose Assembly

  • Leaking refrigerant due to worn or damaged discharge hose
  • HVAC system inefficiency caused by compromised hose connections
  • Replacement of cracked or brittle hoses in Nissan Pathfinder and Infiniti QX4
  • Restoring proper refrigerant flow in R134a A/C systems
  • Preventing contamination and maintaining system pressure integrity

Installation Notes and Tips

Ensure the vehicle’s A/C system is fully depressurized before removing the old hose assembly. Use the included fittings and green O-rings (part number 24661) to achieve a secure, leak-free connection. Verify that the P-nut fitting on the suction end is properly tightened according to manufacturer torque specifications. Since this hose assembly does not include a switch, bracket, muffler, or service port, confirm that the existing components are in good condition or replaced separately if necessary.

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55129 is manufactured to meet or exceed original equipment standards for Nissan Pathfinder and Infiniti QX4 vehicles. It is designed for durability and reliable performance within the HVAC system. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandFour Seasons
Part Number55129
PositionHose Assembly
Bracket?w/o Bracket
Component TypeDischarge Line
DescriptionHose Assemblies
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Muffler?w/o Muffler
O-Ring A Number/Desc[24661] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port?w/o Service Port
Suction End TypeP-Nut Fitting
Switch Included?Not Included

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
2001INFINITIQX4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2001NissanPathfinderN/ADischarge Line; To 10/00; 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:

1115512920016355129787351802818924904W000A70160CWK787351HA11226C

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