HomeHVAC > Hoses and PipesFour Seasons 66389 A/C Refrigerant Discharge Hose
Part #: 66389

Four Seasons 66389 A/C Refrigerant Discharge Hose

Hose Assembly
3 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: Ford, F-150 and Lobo
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Overview of Four Seasons Hose Assembly 66389

The Four Seasons Hose Assembly 66389 is designed specifically for the Ford F-150 HVAC system. This A/C refrigerant discharge hose is engineered to handle high-pressure R134-a refrigerant, ensuring reliable performance in your vehicle's air conditioning system.

  • Constructed from durable aluminum and rubber materials
  • Compatible with R134-a refrigerant systems
  • Includes gasket, fittings, and two O-rings for secure sealing
  • Equipped with a high-pressure discharge line and a service port with switch port thread size M10 x 1.25
  • Designed without a bracket or muffler for direct fitment
  • OEM replacement part for Ford F-150 models

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for HVAC systems, combining aluminum and rubber components to withstand high system pressures. This line includes essential features such as service ports and fittings to facilitate maintenance and ensure compatibility with factory specifications. The 66389 hose assembly is part of this line, offering a direct OE replacement solution for the Ford F-150's A/C refrigerant discharge needs.

Detailed Product Description

This A/C refrigerant discharge hose assembly is built to meet the demands of high-pressure HVAC systems using R134-a refrigerant. The combination of aluminum and rubber materials provides durability and flexibility, while the included gasket and fittings ensure a secure, leak-free connection. The hose features a p-nut fitting on the suction end and a service port sized at 16 mm with a switch port thread size of M10 x 1.25, allowing for easy servicing and pressure monitoring. Although the switch is not included, the hose assembly is prepared to accommodate one. This part is designed without a bracket or muffler, simplifying installation and fitment in the Ford F-150.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant discharge hoses in Ford F-150 models
  • Resolving refrigerant leaks caused by cracked or deteriorated hose materials
  • Addressing high-pressure system failures due to compromised discharge lines
  • Facilitating maintenance with included service port and fittings
  • Ensuring proper sealing with included gaskets and O-rings

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66389, ensure the system is fully depressurized and evacuated before removal of the old hose. Verify that the included gaskets and O-rings are properly seated to prevent leaks. The hose assembly fits directly onto the Ford F-150's HVAC system without the need for additional brackets or mufflers. Use the service port for pressure testing and refrigerant charging as needed. Professional installation is recommended to maintain system integrity and performance.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OEM replacement part, meeting or exceeding factory specifications for fit and function. The materials and construction are designed for durability under high-pressure conditions typical of R134-a refrigerant systems. While specific warranty details are not provided here, Four Seasons products generally come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandFour Seasons
Part Number66389
PositionHose Assembly
Bracket?w/o Bracket
Component TypeDischarge Line
DescriptionHose Assemblies
Fittings IncludedIncluded
Friction Material Attachmentw/ Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O.E. Replacement?Yes
Refrigerant TypeR134-A
Service Port Qty1
Service Port Size16 mm
Service Port?w/ Service Port
Suction End TypeP-Nut Fitting
Svc Port High SideHigh Side
Swch Port Trd SizeM10 x 1.25
Switch Included?Not Included
Switch Port SizeM10X1.25
System PressureHigh Pressure

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017FordF-1505.0LV8N/ADischarge Line; w/ R134a; Hose Assembly
2016FordF-1505.0LV8N/ADischarge Line; w/ R134a; Hose Assembly
2015FordF-1505.0LV8N/ADischarge Line; w/ R134a; 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:

211300481288666389787881A82902FL3Z19972CFL3Z19972GFL3Z19972KFL3Z19972NFL3Z19972RHA113469CHA113629C

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