HomeHVAC > Hoses and PipesFour Seasons 65998 A/C Refrigerant Discharge Hose
Part #: 65998

Four Seasons 65998 A/C Refrigerant Discharge Hose

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: Lexus, IS200t and IS300
🔄Easy Returns — Return within 60 days for a full refund
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Reliable A/C Refrigerant Discharge Hose for Lexus IS200t and IS300

The Four Seasons Hose Assembly 65998 is designed to maintain efficient air conditioning performance in Lexus IS200t and IS300 models. Constructed with durable aluminum and rubber materials, this A/C refrigerant discharge hose ensures proper refrigerant flow and system integrity.

  • Durable aluminum and rubber construction for long-lasting performance
  • Compatible with R134a refrigerant systems
  • Includes two O-rings (part number 24661) for secure sealing
  • Features a P-nut fitting on one end for reliable connection
  • Designed without bracket, muffler, or service port for direct replacement

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing high-quality hose assemblies tailored for HVAC systems in various vehicles. This product line emphasizes precise fitment and material durability, ensuring that components like the 65998 A/C refrigerant discharge hose meet the specific requirements of Lexus IS200t and IS300 air conditioning systems.

Product Details and Specifications

This A/C refrigerant discharge hose is engineered to handle R134a refrigerant, the standard for many modern automotive air conditioning systems. The combination of aluminum and rubber materials offers flexibility and resistance to wear, while the included O-rings (two units of part number 24661) help maintain a leak-free seal. The hose assembly does not include a bracket, muffler, or service port, making it a straightforward replacement part for the specified Lexus models. The P-nut fitting on one end ensures a secure and proper connection within the HVAC system.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant discharge hoses in Lexus IS200t and IS300
  • Resolving refrigerant leaks caused by cracked or deteriorated hose materials
  • Restoring proper refrigerant flow to improve air conditioning efficiency
  • Eliminating connection failures due to faulty fittings or seals
  • Maintaining system integrity without the need for additional brackets or mufflers

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 65998, ensure the use of the included O-rings to achieve a proper seal and prevent refrigerant leaks. Verify compatibility with Lexus IS200t and IS300 models before installation. Since this hose assembly does not include a bracket or muffler, confirm that existing mounting points and components are intact and secure. Proper torque on the P-nut fitting is essential to avoid damage and ensure a leak-free connection.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet industry standards for HVAC components. The Hose Assembly 65998 undergoes quality checks to ensure durability and fitment accuracy for Lexus IS200t and IS300 vehicles. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use conditions.

BrandFour Seasons
Part Number65998
PositionHose Assembly
MaterialAluminum / rubber
End 2 TypeP-nut fitting
Refrigerant TypeR134a
Gasket Or Seal IncludedIncluded
Switch Service PortNo
Bracket?W/o bracket
DescriptionHose assemblies
Muffler?W/o muffler
O-Ring A Number/Desc24661 / o-ring
O-Ring A Quantity2
Service Port IncludedNo

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025LexusIS3002.0LL4N/ADischarge Line; Hose Assembly
2024LexusIS3002.0LL4N/ADischarge Line; Hose Assembly
2023LexusIS3002.0LL4N/ADischarge Line; Hose Assembly
2022LexusIS3002.0LL4N/ADischarge Line; Hose Assembly
2021LexusIS3002.0LL4N/ADischarge Line; Hose Assembly
2020LexusIS3002.0LL4N/ADischarge Line; Hose Assembly
2019LexusIS3002.0LL4N/ADischarge Line; Hose Assembly
2018LexusIS3002.0LL4N/ADischarge Line; Hose Assembly
2017LexusIS200tN/ADischarge Line; Hose Assembly
2016LexusIS200tN/ADischarge Line; 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:

2124056599888711531408871153141A66308

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