OE Quality
60-Day Returns

Four Seasons 66383 A/C Refrigerant Discharge Hose
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.
| Brand | Four Seasons |
| Part Number | 66383 |
| Position | Hose Assembly |
| Material | Aluminum / rubber |
| Refrigerant Type | R134a, r1234yf |
| Component Type | Discharge line |
| System Pressure | High pressure |
| Gasket Or Seal Included | Included |
| Switch Service Port | W/o switch port |
| Fittings Included | Included |
| Bracket? | W/o bracket |
| Description | Hose assemblies |
| Muffler? | W/o muffler |
| O-Ring A Number/Desc | [24661] / green o-ring |
| O-Ring A Quantity | 2 |
| O.E. Replacement? | Yes |
| Service Port? | W/o service port |
| Suction End Type | P-nut fitting |
| Switch Included? | Not included |
| Switch Port Quantity | 1 |
| Switch Port Size | M11x1.0 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | # Doors | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Honda | Civic | 2.0L | L4 | N/A | Discharge Line; Hose Assembly | |
| 2020 | Honda | Civic | 4 Door | 2.0L | L4 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2020 | Honda | Civic | 2 Door | 2.0L | L4 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2019 | Honda | Civic | 4 Door | 2.0L | L4 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2019 | Honda | Civic | 2 Door | 2.0L | L4 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2018 | Honda | Civic | 4 Door | 2.0L | L4 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2018 | Honda | Civic | 2 Door | 2.0L | L4 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2017 | Honda | Civic | 4 Door | 2.0L | L4 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2017 | Honda | Civic | 2 Door | 2.0L | L4 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2016 | Honda | Civic | 2 Door | 2.0L | L4 | N/A | Compatible 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.