HomeHVAC > Hoses and PipesFour Seasons 66710 A/C Refrigerant Suction Hose
Part #: 66710

Four Seasons 66710 A/C Refrigerant Suction Hose

Hose Assembly
⚙️ 26 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Lexus and Toyota, Land Cruiser and LX570
🔄Easy Returns — Return within 60 days for a full refund
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Reliable A/C Refrigerant Suction Hose for Lexus and Toyota

The Four Seasons Hose Assembly 66710 is designed to maintain optimal HVAC performance in Lexus Land Cruiser and Toyota LX570 models. Engineered with durable aluminum and rubber materials, this A/C refrigerant suction hose ensures efficient refrigerant flow and system reliability.

Key Features of Four Seasons Hose Assembly 66710

  • Constructed from aluminum and rubber for durability and flexibility
  • Equipped with P-nut fittings on both ends for secure connections
  • Compatible with R134a refrigerant systems
  • Includes gasket and two O-rings (part number 24150) for leak prevention
  • Features an integrated muffler to reduce noise
  • Service port included for easy maintenance
  • Designed without a bracket for straightforward installation

About the Four Seasons Hose Assembly Product Line

The Hose Assembly line by Four Seasons focuses on providing complete hose solutions for automotive HVAC systems. This product line includes assemblies that combine multiple components such as fittings, seals, and mufflers to ensure a reliable and efficient refrigerant flow. The 66710 hose assembly is part of this line, offering a ready-to-install solution tailored for specific vehicle applications.

Detailed Product Description

The Four Seasons 66710 A/C refrigerant suction hose is engineered to meet the specific requirements of Lexus Land Cruiser and Toyota LX570 vehicles. Its aluminum and rubber construction balances strength and flexibility, accommodating engine vibrations and temperature variations. Both ends feature P-nut fittings, ensuring a tight and secure connection to the HVAC system. The included gasket and two O-rings (24150) help maintain a sealed system, preventing refrigerant leaks. Additionally, the integrated muffler reduces operational noise, contributing to a quieter cabin environment. The hose assembly supports R134a refrigerant, the standard for many modern vehicles, and includes a service port to facilitate system diagnostics and maintenance.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant suction hoses
  • Resolving refrigerant leaks caused by degraded seals or fittings
  • Reducing A/C system noise through the integrated muffler
  • Maintaining proper refrigerant flow for efficient cooling
  • Ensuring compatibility with R134a refrigerant systems in Lexus Land Cruiser and Toyota LX570

Installation Notes and Tips

When installing the Four Seasons 66710 hose assembly, ensure both P-nut fittings are properly tightened to manufacturer torque specifications to prevent leaks. Verify that the included gasket and O-rings are correctly seated before final assembly. The absence of a bracket simplifies routing but requires careful positioning to avoid contact with moving parts or heat sources. Utilize the service port for pressure checks and system diagnostics after installation.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet OEM standards for fit and function. The 66710 hose assembly undergoes rigorous quality control to ensure durability and performance in Lexus Land Cruiser and Toyota LX570 HVAC systems. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.

BrandFour Seasons
Part Number66710
PositionHose Assembly
MaterialAluminum / rubber
End 1 TypeP-nut fitting
End 2 TypeP-nut fitting
Refrigerant TypeR134a
Gasket Or Seal IncludedIncluded
Switch Service PortNo
Bracket?W/o bracket
DescriptionHose assemblies
Muffler?W/ muffler
O-Ring A Number/Desc24150 / o-ring
O-Ring A Quantity2
Service Port IncludedYes

This part fits 26 vehicles. Search below:

YearMakeModelPositionNotes
2021LexusLX570N/ACompressor End; Hose Assembly
2021ToyotaLand CruiserN/ACompressor End; Hose Assembly
2020LexusLX570N/ACompressor End; Hose Assembly
2020ToyotaLand CruiserN/ACompressor End; Hose Assembly
2019LexusLX570N/ACompressor End; Hose Assembly
2019ToyotaLand CruiserN/ACompressor End; Hose Assembly
2018LexusLX570N/ACompressor End; Hose Assembly
2018ToyotaLand CruiserN/ACompressor End; Hose Assembly
2017LexusLX570N/ACompressor End; Hose Assembly
2017ToyotaLand CruiserN/ACompressor End; Hose Assembly
2016LexusLX570N/ACompressor End; Hose Assembly
2016ToyotaLand CruiserN/ACompressor End; Hose Assembly
2015LexusLX570N/ACompressor End; Hose Assembly
2015ToyotaLand CruiserN/ACompressor End; Hose Assembly
2014LexusLX570N/ACompressor End; Hose Assembly
2014ToyotaLand CruiserN/ACompressor End; Hose Assembly
2013LexusLX570N/ACompressor End; Hose Assembly
2013ToyotaLand CruiserN/ACompressor End; Hose Assembly
2011LexusLX570N/ACompressor End; Hose Assembly
2011ToyotaLand CruiserN/ACompressor End; Hose Assembly
2010LexusLX570N/ACompressor End; Hose Assembly
2010ToyotaLand CruiserN/ACompressor End; Hose Assembly
2009LexusLX570N/ACompressor End; Hose Assembly
2009ToyotaLand CruiserN/ACompressor End; Hose Assembly
2008LexusLX570N/ACompressor End; Hose Assembly
2008ToyotaLand CruiserN/ACompressor End; 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:

2116213463664481298166710755870004887126A420A83230HA112139C

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