OE Quality
60-Day Returns

Four Seasons 56394 A/C Refrigerant Discharge Hose
Overview of Four Seasons Hose Assembly 56394
The Four Seasons Hose Assembly 56394 is designed specifically for the A/C refrigerant discharge system in select Ford, Lincoln, and Mercury vehicles. Engineered with durable aluminum and rubber materials, this hose assembly supports high system pressure and includes essential fittings and seals for reliable operation.
- Constructed from aluminum and rubber for durability and flexibility
- Compatible with R134a refrigerant systems
- Includes gasket and O-rings for secure sealing
- Equipped with a high-side service port featuring a 16mm R134a quick disconnect
- Includes muffler to reduce noise and vibration
- Fittings included; bracket not included
- Designed as an OE replacement for Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis
Detailed Product Description
This A/C refrigerant discharge hose assembly from Four Seasons is part of the Hose Assembly product line, which focuses on providing complete hose solutions for automotive HVAC systems. The 56394 hose assembly is built to meet original equipment specifications, ensuring compatibility and performance in Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis models. It features a male p-nut suction end and a high-pressure discharge line designed to handle the demands of R134a refrigerant systems. The included gasket and multiple O-rings ([24069] gasket and [24606] green O-ring) ensure a tight, leak-free connection. Additionally, the hose assembly comes with a muffler to minimize operational noise and a service port with a quick disconnect for convenient maintenance.
Applications and Common Issues Addressed
- Replacement of worn or leaking A/C refrigerant discharge hoses
- Restoring proper refrigerant flow in high-pressure R134a systems
- Eliminating noise caused by damaged or missing mufflers in the discharge line
- Resolving refrigerant leaks due to degraded seals or O-rings
- Facilitating A/C system service with an integrated high-side service port
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 56394, ensure all O-rings and gaskets are properly seated to prevent leaks. The included fittings simplify connection, but verify the absence of a bracket means additional support may be required depending on vehicle configuration. The service port with a 16mm quick disconnect allows for straightforward refrigerant charging and system diagnostics. Note that the switch is not included, although the hose assembly features a switch service port sized M10 x 1.25.
Quality Assurance and Warranty
Four Seasons designs its Hose Assembly product line to meet or exceed OEM standards, providing reliable performance for Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis vehicles. This part number 56394 is an exact OE replacement, ensuring fit and function. The product includes all necessary seals and fittings to maintain system integrity. Warranty details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | Four Seasons |
| Part Number | 56394 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Component Type | Discharge Line |
| Description | Hose Assemblies |
| Fittings Included | Included |
| Friction Material Attachment | w/ Switch Port |
| Gasket Or Seal Included | Included |
| Material | Aluminum / Rubber |
| Muffler? | w/ Muffler |
| O-Ring A Number/Desc | [24069] / Gasket |
| O-Ring B Number/Desc | [24606] / Green O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port Qty | 1 |
| Service Port Size | 16mm |
| Service Port Type | R134-A Quick Disconnect |
| Service Port? | w/ Service Port |
| Suction End Type | Male P-Nut |
| Svc Port High Side | High Side |
| Swch Port Trd Size | M10 x 1.25 |
| Switch Included? | Not Included |
| Switch Port Size | M10X1.25 |
| System Pressure | High |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Ford | Crown Victoria | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2011 | Lincoln | Town Car | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2011 | Mercury | Grand Marquis | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2010 | Ford | Crown Victoria | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2010 | Lincoln | Town Car | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2010 | Mercury | Grand Marquis | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2009 | Ford | Crown Victoria | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2009 | Lincoln | Town Car | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2009 | Mercury | Grand Marquis | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2008 | Ford | Crown Victoria | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2008 | Lincoln | Town Car | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2008 | Mercury | Grand Marquis | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2007 | Ford | Crown Victoria | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2007 | Lincoln | Town Car | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2007 | Mercury | Grand Marquis | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2006 | Ford | Crown Victoria | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2006 | Lincoln | Town Car | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2006 | Mercury | Grand Marquis | 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.