HomeHVAC > Hoses and PipesFour Seasons 66490 A/C Refrigerant Discharge Hose
Part #: 66490

Four Seasons 66490 A/C Refrigerant Discharge Hose

Hose Assembly
⚙️ 7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Kia and Hyundai, Optima and Sonata
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 66490

The Four Seasons Hose Assembly 66490 is designed specifically for Hyundai Optima and Kia Sonata models. This A/C refrigerant discharge hose is engineered to handle high-pressure R134a refrigerant systems, ensuring reliable performance in your vehicle's HVAC system.

  • Constructed from durable aluminum and rubber materials
  • Compatible with R134a refrigerant type
  • Includes gasket and fittings for secure installation
  • Equipped with a 16 mm high side service port
  • Original equipment replacement for Hyundai Optima and Kia Sonata

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on providing complete hose solutions for automotive HVAC systems. This line includes assemblies designed to meet or exceed original equipment specifications, offering components such as fittings, gaskets, and service ports integrated into a single unit. The 66490 hose assembly is part of this line, delivering a ready-to-install discharge line that supports high-pressure refrigerant flow without the need for additional parts.

Product Features and Specifications

This A/C refrigerant discharge hose is constructed with a combination of aluminum and rubber, providing both flexibility and durability under high-pressure conditions. It is designed for use with R134a refrigerant and includes two green O-rings (part number 24649) to ensure a tight seal. The hose assembly features a p-nut fitting on the suction end and comes with one 16 mm high side service port, facilitating maintenance and service operations. While the assembly does not include a switch, bracket, or muffler, it is supplied with all necessary fittings and gaskets for a complete installation.

Common Applications and Problem Resolution

  • Replacement of worn or leaking A/C refrigerant discharge hoses in Hyundai Optima and Kia Sonata
  • Restoring proper refrigerant flow and pressure in high-pressure A/C systems
  • Eliminating refrigerant leaks caused by damaged or cracked hoses
  • Facilitating A/C system service with an integrated high side service port
  • Ensuring compatibility with R134a refrigerant systems for optimal HVAC performance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66490, ensure the vehicle is compatible with R134a refrigerant systems. Use the included green O-rings (part number 24649) to maintain a proper seal and prevent leaks. The assembly does not include a bracket or muffler, so verify existing mounting points and hardware before installation. The p-nut fitting on the suction end should be tightened to manufacturer specifications to avoid damage. Since the hose comes with a high side service port, it allows for easier refrigerant charging and system diagnostics.

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66490 is an original equipment replacement part, designed to meet the specifications of Hyundai Optima and Kia Sonata HVAC systems. It undergoes rigorous quality control to ensure durability and performance under high-pressure conditions. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.

BrandFour Seasons
Part Number66490
PositionHose Assembly
Bracket?w/o Bracket
Component TypeDischarge Line
DescriptionHose Assemblies
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24649] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port Qty1
Service Port Size16 mm
Service Port?w/ Service Port
Suction End TypeP-Nut Fitting
Svc Port High SideHigh Side
Switch Included?Not Included
System PressureHigh Pressure

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016KiaOptima2.4LL4ELECTRIC/GASN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2015HyundaiSonata2.4LL4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2015KiaOptima2.4LL4FULL HYBRID EV-GAS (FHEV)N/ADischarge Line; Hose Assembly
2014HyundaiSonata2.4LL4ELECTRIC/GASN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2014KiaOptima2.4LL4FULL HYBRID EV-GAS (FHEV)N/ADischarge Line; Hose Assembly
2013HyundaiSonata2.4LL4ELECTRIC/GASN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2012HyundaiSonata2.4LL4ELECTRIC/GASN/ADischarge Line; From 2/13/2012; 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:

211401481198057085266490787740800777977624R10097762E7000A83008HA112314CHA112315C

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