HomeHVAC > Hoses and PipesFour Seasons 66664 A/C Suction and Liquid Line Hose Assembly
Part #: 66664

Four Seasons 66664 A/C Suction and Liquid Line Hose Assembly

Hose Assembly
⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Hyundai, Sonata
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Four Seasons Hose Assembly 66664 for Hyundai Sonata

The Four Seasons Hose Assembly 66664 is designed specifically for Hyundai Sonata models, providing reliable A/C suction and liquid line hose performance. Constructed with durable aluminum and rubber materials, this hose assembly supports both high and low pressure refrigerant flow using R134a refrigerant.

  • Material: Aluminum and rubber construction for durability
  • End fittings: P-nut fittings on both ends for secure connections
  • Refrigerant compatibility: Designed for R134a systems
  • System pressure: Supports both high and low pressure lines
  • Includes green O-rings ([24682] and [24611]) for proper sealing
  • Service port: Equipped with one low side service port (3/8" - 24 size)
  • Includes manifold and fittings, excludes bracket and muffler
  • Liquid line style: Flange type
  • OEM replacement part for Hyundai Sonata

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering complete hose assemblies for automotive HVAC systems. This line includes components engineered to meet or exceed OEM specifications, ensuring compatibility and performance. The 66664 hose assembly integrates manifold and fittings to streamline installation and maintain system integrity in Hyundai Sonata vehicles.

Detailed Product Description

This A/C suction and liquid line hose assembly combines aluminum tubing with rubber sections to provide flexibility and resistance to wear. Both ends feature P-nut fittings, facilitating a secure and leak-resistant connection to the vehicle’s HVAC system. The assembly is designed for R134a refrigerant and supports both high and low pressure sides, making it suitable for the complete refrigerant circuit. Included green O-rings ensure proper sealing at connection points, reducing the risk of leaks. The flange-style liquid line and integrated manifold contribute to a precise fit and reliable operation without the need for additional brackets or mufflers.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C suction and liquid line hoses in Hyundai Sonata
  • Resolving refrigerant leaks caused by cracked or deteriorated hose materials
  • Restoring proper refrigerant flow and pressure balance in the HVAC system
  • Eliminating issues related to faulty or missing O-rings and seals
  • Upgrading OEM components with a direct replacement hose assembly

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66664, ensure all old refrigerant is properly evacuated from the system. Verify that the included green O-rings are correctly seated to prevent leaks. The P-nut fittings require careful tightening to manufacturer torque specifications to avoid damage. This assembly does not include a bracket or muffler, so confirm existing mounting points are secure. The service port on the low side allows for convenient system servicing and pressure checks.

Quality Assurance and Warranty

Four Seasons Hose Assembly 66664 is an OEM replacement part designed to meet Hyundai Sonata specifications. The product includes all necessary fittings and seals to maintain system integrity. While specific warranty details are not provided, Four Seasons products typically adhere to industry standards for durability and performance in automotive HVAC applications.

BrandFour Seasons
Part Number66664
PositionHose Assembly
MaterialAluminum / rubber
End 1 TypeP-nut fitting
End 2 TypeP-nut fitting
Refrigerant TypeR134a
System PressureHigh pressure / low pressure
Gasket Or Seal IncludedIncluded
Switch Service PortW/o switch port
Fittings IncludedIncluded
Bracket?W/o bracket
DescriptionHose assemblies
Liquid Line StyleFlange
Manifold?W/ manifold
Muffler?W/o muffler
O-Ring A Number/Desc[24682] / green o-ring
O-Ring A Quantity2
O-Ring B Number/Desc[24611] / green o-ring
O-Ring B Quantity2
O.E. Replacement?Yes
Orifice Tube?W/o orifice tube
Service Port Qty1
Service Port?W/ service port
StyleHose assembly w/ ihx
Suction End TypeP-nut fitting
Sve Port Low SideLow side
Switch Port Quantity1
Switch Port Size3/8" - 24
TypeSuction & liquid line

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2017HyundaiSonata2.0LL4GASN/AHose Assembly
2017HyundaiSonata2.4LL4GASN/AHose Assembly
2017HyundaiSonata1.6LL4GASN/AHose Assembly
2016HyundaiSonata2.0LL4GASN/AHose Assembly
2016HyundaiSonata2.4LL4GASN/AHose Assembly
2016HyundaiSonata1.6LL4GASN/AHose Assembly
2015HyundaiSonata2.0LL4GASN/AHose Assembly
2015HyundaiSonata2.4LL4N/AHose Assembly
2015HyundaiSonata2.4LL4GASN/AHose Assembly
2015HyundaiSonata1.6LL4GASN/AHose 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:

2115756666479511397775C2000A83182HA112647C

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