HomeHVAC > Hoses and PipesFour Seasons 66221 A/C Refrigerant Discharge Hose
Part #: 66221

Four Seasons 66221 A/C Refrigerant Discharge Hose

Hose Assembly
28 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$36.57Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Subaru, Impreza and Forester
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 66221

The Four Seasons Hose Assembly 66221 is designed specifically for Subaru Forester and Impreza models. This A/C refrigerant discharge hose is engineered to handle high-pressure R134a refrigerant systems, ensuring reliable performance in your vehicle's HVAC system.

  • Constructed from durable aluminum and rubber materials
  • Compatible with R134a refrigerant type
  • Includes gasket and fittings for secure installation
  • Equipped with a 16 mm high-side service port
  • O-rings included for proper sealing (two green O-rings, part number 24661)
  • Original equipment replacement part
  • Features a P-nut fitting suction end
  • Does not include a bracket, muffler, or switch

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for automotive HVAC systems. These assemblies are designed to meet or exceed original equipment specifications, offering a direct replacement solution. The 66221 discharge hose is part of this line, delivering a high-pressure rated component that integrates essential fittings and seals for efficient refrigerant flow and system integrity.

Detailed Product Description

This A/C refrigerant discharge hose from Four Seasons is constructed with a combination of aluminum and rubber to withstand the demands of high-pressure refrigerant flow in Subaru Forester and Impreza vehicles. It is designed for use with R134a refrigerant and includes all necessary fittings and gaskets to ensure a leak-free connection. The hose features a high-side service port sized at 16 mm, allowing for convenient servicing without the need for additional adapters. Two green O-rings (part number 24661) are included to maintain a proper seal during installation. This hose assembly does not include a bracket, muffler, or switch, focusing solely on the discharge line function.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant discharge hoses
  • Resolving refrigerant leaks in the high-pressure side of the A/C system
  • Restoring proper refrigerant flow and pressure in Subaru Forester and Impreza HVAC systems
  • Addressing service port accessibility issues during A/C maintenance
  • Ensuring compatibility with R134a refrigerant systems

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66221, ensure the vehicle is compatible with R134a refrigerant and the specified Subaru models. Use the included fittings and gaskets to secure connections and prevent leaks. The high-side service port allows for straightforward servicing; however, verify that the P-nut fitting is properly tightened. Since the assembly does not include a bracket or muffler, reuse existing mounting hardware if applicable. Always follow manufacturer torque specifications and safety procedures when handling refrigerant lines.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an original equipment replacement part, meeting industry standards for durability and performance. The product includes all necessary seals and fittings to ensure a proper fit and function. Warranty details are subject to Four Seasons' standard coverage policies, which typically protect against defects in materials and workmanship.

BrandFour Seasons
Part Number66221
PositionHose Assembly
Bracket?w/o Bracket
Component TypeDischarge Line
DescriptionHose Assemblies
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24661] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port Qty1
Service Port Size16 mm
Service Port?w/ Service Port
Suction End TypeP-Nut Fitting
Svc Port High SideHigh Side
Switch Included?Not Included
System PressureHigh Pressure

This part fits 28 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2014SubaruImprezaWRX2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2013SubaruForesterN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2013SubaruImprezaWRX2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2012SubaruForesterN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2012SubaruImprezaWRX2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2011SubaruForesterN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2011SubaruImprezaWRX2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2011SubaruImprezaWRX STI2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2011SubaruImprezaWRX STI Limited2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2011SubaruImprezaWRX Limited2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2011SubaruImprezaWRX Premium2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2010SubaruForesterN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2010SubaruImprezaWRX2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2010SubaruImprezaWRX STI2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2010SubaruImprezaWRX Limited2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2010SubaruImpreza2.5 GT2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2010SubaruImprezaWRX Premium2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2010SubaruImprezaWRX STI Special Edition2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2010SubaruImprezaWRX GT2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2010SubaruImprezaWRX SE2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2009SubaruForester2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2009SubaruImprezaWRX2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2009SubaruImprezaWRX STI2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2009SubaruImprezaOutback Sport2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2009SubaruImpreza2.5 GT2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2009SubaruImprezaWRX Premium2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2008SubaruImprezaWRX2.5LH4N/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2008SubaruImprezaWRX STI2.5LH4N/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:

2111196622173424FG000787716A82721HA113619C

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