HomeHVAC > Hoses and PipesFour Seasons 66383 A/C Refrigerant Discharge Hose
Part #: 66383

Four Seasons 66383 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: Honda, Civic
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable A/C Refrigerant Discharge Hose for Honda Civic

The Four Seasons Hose Assembly 66383 is designed specifically for Honda Civic models requiring a durable and efficient A/C refrigerant discharge hose. Engineered to handle high-pressure systems, this hose assembly ensures proper refrigerant flow and system performance.

Key Features of Four Seasons Hose Assembly 66383

  • Constructed from aluminum and rubber for durability and flexibility
  • Compatible with R134a and R1234yf refrigerants
  • High-pressure discharge line designed for reliable operation
  • Includes gasket and fittings for secure connections
  • Equipped with green O-rings (part number 24661), quantity of two
  • Features a P-nut fitting on the suction end for proper sealing
  • OE replacement part ensuring direct fit and function
  • Does not include a switch or service port, bracket, or muffler

About the Four Seasons Hose Assembly Product Line

The Hose Assembly line from Four Seasons focuses on providing complete hose solutions for automotive HVAC systems. This product line emphasizes compatibility and quality, offering assemblies that meet or exceed original equipment specifications. The 66383 hose assembly is part of this line, delivering a reliable discharge hose option for Honda Civic vehicles.

Detailed Product Description

The Four Seasons 66383 A/C refrigerant discharge hose is engineered to maintain system integrity under high pressure. Its aluminum and rubber construction balances strength with flexibility, reducing the risk of leaks or damage. Designed for use with both R134a and R1234yf refrigerants, this hose assembly supports modern HVAC systems. The included gasket and fittings ensure a secure, leak-free connection, while the green O-rings provide additional sealing reliability. This hose assembly is a direct OE replacement, making it a suitable choice for Honda Civic owners seeking a dependable HVAC component.

Common Applications and Issues Addressed

  • Replacement of worn or cracked A/C refrigerant discharge hoses
  • Resolving refrigerant leaks in high-pressure discharge lines
  • Upgrading to a hose compatible with R134a or R1234yf refrigerants
  • Restoring proper refrigerant flow and system pressure
  • Eliminating HVAC system performance issues related to hose failure

Installation Notes and Tips

Ensure the vehicle’s A/C system is fully depressurized before removing the old hose assembly. Verify compatibility with your specific Honda Civic model year. Use the included gasket and fittings to secure connections, and replace O-rings as needed to maintain a proper seal. Avoid overtightening fittings to prevent damage to the hose or connectors.

Quality Assurance and Warranty

Four Seasons Hose Assembly 66383 is manufactured to meet original equipment standards for fit and function. The product includes quality components such as factory-matched O-rings and fittings to ensure reliable performance. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship.

BrandFour Seasons
Part Number66383
PositionHose Assembly
MaterialAluminum / rubber
Refrigerant TypeR134a, r1234yf
Component TypeDischarge line
System PressureHigh pressure
Gasket Or Seal IncludedIncluded
Switch Service PortW/o switch port
Fittings IncludedIncluded
Bracket?W/o bracket
DescriptionHose assemblies
Muffler?W/o muffler
O-Ring A Number/Desc[24661] / green o-ring
O-Ring A Quantity2
O.E. Replacement?Yes
Service Port?W/o service port
Suction End TypeP-nut fitting
Switch Included?Not included
Switch Port Quantity1
Switch Port SizeM11x1.0

This part fits 10 vehicles. Search below:

YearMakeModel# DoorsLitersCylindersPositionNotes
2021HondaCivic2.0LL4N/ADischarge Line; Hose Assembly
2020HondaCivic4 Door2.0LL4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2020HondaCivic2 Door2.0LL4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2019HondaCivic4 Door2.0LL4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2019HondaCivic2 Door2.0LL4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2018HondaCivic4 Door2.0LL4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2018HondaCivic2 Door2.0LL4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2017HondaCivic4 Door2.0LL4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2017HondaCivic2 Door2.0LL4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2016HondaCivic2 Door2.0LL4N/ACompatible with various vehicles A/C refrigerant discharge hose; 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:

21129448132136638378784180315TBAA01A83229HA113410C

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