HomeHVAC > Hoses and PipesFour Seasons 66571 A/C Refrigerant Liquid Hose
Part #: 66571

Four Seasons 66571 A/C Refrigerant Liquid Hose

Hose Assembly
⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Chrysler, Pacifica
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 66571

The Four Seasons Hose Assembly 66571 is designed specifically for Chrysler Pacifica vehicles requiring a reliable A/C refrigerant liquid hose. Engineered with durable aluminum and rubber materials, this hose assembly supports high-pressure R134a refrigerant systems to maintain optimal HVAC performance.

  • Constructed from aluminum and rubber for durability and flexibility
  • Compatible with R134a refrigerant type and high-pressure systems
  • Includes gasket and sealing washers for secure connections
  • Features P-nut fittings on both liquid and suction ends
  • Equipped with a 16 mm high side service port without a switch port or bracket
  • Comes with an orifice tube and necessary O-rings for proper sealing
  • OE replacement part ensuring direct fit and function

Detailed Product Description

This Four Seasons Hose Assembly from the Hose Assembly product line is a direct OE replacement designed to meet the specific HVAC needs of the Chrysler Pacifica. The assembly combines aluminum and rubber materials to withstand the demands of high-pressure R134a refrigerant systems. It includes a liquid line style with P-nut fittings on both the liquid and suction ends, ensuring secure and leak-free connections. The hose assembly comes with a 16 mm high side service port, facilitating maintenance without a switch port or bracket, simplifying installation and service. Additionally, the included orifice tube and O-rings (part numbers 24343 sealing washer kit and 24611 green O-ring) provide a complete sealing solution to maintain system integrity.

Applications and Common Issues Addressed

  • Replacement of worn or damaged A/C refrigerant liquid hoses in Chrysler Pacifica models
  • Resolution of refrigerant leaks caused by cracked or deteriorated hoses
  • Restoration of proper high-pressure refrigerant flow in the A/C system
  • Elimination of poor HVAC cooling performance due to faulty liquid line assemblies
  • Prevention of contamination and pressure loss with included sealing washers and O-rings

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66571, ensure the vehicle is compatible with R134a refrigerant systems and high-pressure hose assemblies. Use the included gasket and O-rings to achieve a proper seal and prevent leaks. The P-nut fittings on both ends require careful tightening to manufacturer torque specifications. Since this assembly does not include a bracket or switch service port, verify existing mounting points and service port accessibility on the Chrysler Pacifica before installation. Proper handling of the orifice tube is essential to maintain system performance.

Quality Assurance and Warranty

Four Seasons Hose Assembly 66571 is manufactured to meet or exceed OEM specifications for Chrysler Pacifica HVAC systems. As an OE replacement part, it ensures compatibility and reliable operation within the vehicle’s A/C system. The product includes all necessary sealing components to maintain system integrity. Warranty coverage details should be confirmed with the product documentation or supplier, as Four Seasons typically offers limited warranties on their HVAC components.

BrandFour Seasons
Part Number66571
PositionHose Assembly
Bracket?w/o Bracket
DescriptionHose Assemblies
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Liquid Line StyleP-Nut Fitting
MaterialAluminum / Rubber
O-Ring A Number/Desc[24343] / Sealing Washer Kit
O-Ring B Number/Desc[24611] / Green O-Ring
O.E. Replacement?Yes
Orifice Tube?w/ Orifice Tube
Refrigerant TypeR134a
Service Port Size16 mm
Service Port?w/ Service Port
StyleLiquid Line Hose Assembly w/o Orifice Tube
Suction End TypeP-Nut Fitting
Svc Port High SideHigh Side
System PressureHigh Pressure
TypeLiquid Line

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2006ChryslerPacificaN/AFitment: Without Orifice Tube.; Hose Assembly
2005ChryslerPacificaN/AFitment: Without Orifice Tube.; Hose Assembly
2004ChryslerPacificaN/AFitment: Without Orifice Tube.; 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:

05103430AA21148266571791129A83089HA11621C

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