HomeHVAC > Hoses and PipesFour Seasons 65690 A/C Refrigerant Liquid Hose
Part #: 65690

Four Seasons 65690 A/C Refrigerant Liquid Hose

Hose Assembly
6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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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

Overview of Four Seasons Hose Assembly 65690

The Four Seasons Hose Assembly 65690 is designed specifically for Honda Civic models requiring a reliable A/C refrigerant liquid hose. Engineered with durable aluminum and rubber materials, this hose assembly supports high-pressure R134-a refrigerant systems, ensuring consistent performance in your vehicle's HVAC system.

  • Constructed from aluminum and rubber for durability and flexibility
  • Compatible with R134-a refrigerant type
  • Designed for high-pressure A/C systems
  • Includes gasket and fittings for secure installation
  • Features a captive o-ring liquid line style with M16 x 1.5 thread size
  • Equipped with one switch service port (M11 x 1.0) and orifice tube
  • O-ring quantity: 2 green o-rings (part number 24611) included
  • Original equipment replacement for Honda Civic
  • Liquid line hose assembly without bracket and service port

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing precise HVAC hose and pipe replacements that meet or exceed original equipment specifications. This line includes assemblies designed to integrate seamlessly with vehicle systems, such as the Honda Civic, offering components like captive o-rings and switch service ports to facilitate maintenance and ensure system integrity.

Detailed Product Description

This A/C refrigerant liquid hose assembly (part number 65690) is tailored for Honda Civic vehicles, supporting the R134-a refrigerant type under high system pressure. The combination of aluminum and rubber materials provides a balance of strength and flexibility, essential for withstanding the thermal and mechanical stresses in automotive HVAC systems. The hose features a captive o-ring liquid line style with an M16 x 1.5 thread size, ensuring a tight seal and leak prevention. Included fittings and gasket simplify installation, while the integrated orifice tube and switch service port (M11 x 1.0) support system diagnostics and performance. This assembly replaces original equipment parts, maintaining factory standards without the need for additional modifications.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant liquid hoses in Honda Civic models
  • Resolution of refrigerant leaks caused by degraded seals or fittings
  • Restoration of proper refrigerant flow and system pressure in high-pressure A/C systems
  • Correction of HVAC system malfunctions related to faulty orifice tubes or switch ports
  • Prevention of contamination and loss of refrigerant through secure captive o-ring seals

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 65690, ensure the vehicle is compatible with R134-a refrigerant systems and that the hose assembly matches the original equipment specifications. Use the included gasket and fittings to secure connections and prevent leaks. Take care to properly seat the captive o-rings and verify the M16 x 1.5 thread engagement. The switch service port should be connected according to manufacturer guidelines to maintain system diagnostics functionality. This assembly does not include a bracket, so verify existing mounting points before installation.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an original equipment replacement part, manufactured to meet stringent quality standards for durability and performance. The inclusion of factory-style fittings, gaskets, and o-rings supports reliable sealing and long service life. Warranty coverage details should be confirmed with the product documentation or supplier, ensuring peace of mind for professional and DIY installers working on Honda Civic HVAC systems.

BrandFour Seasons
Part Number65690
PositionHose Assembly
Bracket?w/o Bracket
DescriptionHose Assemblies
Fittings IncludedIncluded
Friction Material Attachmentw/ Switch Port
Gasket Or Seal IncludedIncluded
Liquid Line StyleCaptive O-Ring
Lqd Line Thrd SizeM16 x 1.5
MaterialAluminum / Rubber
O-Ring A Number/Desc[24611] / Green O-Ring
O.E. Replacement?Yes
Orifice Tube?w/ Orifice Tube
Refrigerant TypeR134-A
Service Port?w/o Service Port
StyleLiquid Line Hose Assembly w/o Orifice Tube
Suction End TypeP-Nut Fitting
Switch Port SizeM11X1.0
System PressureHigh Pressure
TypeLiquid Line

This part fits 6 vehicles. Search below:

YearMakeModel# DoorsLitersCylindersPositionNotes
2011HondaCivic2 Door2.0LL4N/AFitment: Without Orifice Tube.; Hose Assembly
2010HondaCivic2 Door2.0LL4N/AFitment: Without Orifice Tube.; Hose Assembly
2009HondaCivic2 Door2.0LL4N/AFitment: Without Orifice Tube.; Hose Assembly
2008HondaCivic2 Door2.0LL4N/AFitment: Without Orifice Tube.; Hose Assembly
2007HondaCivic2 Door2.0LL4N/AFitment: Without Orifice Tube.; Hose Assembly
2006HondaCivic2 Door2.0LL4N/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:

21209748132086569079119680113680341SVBA0180341SVBA02A83866HA111361C

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