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Four Seasons 56121 A/C Refrigerant Suction Hose
Reliable A/C Refrigerant Suction Hose for Ford and Mercury Vehicles
The Four Seasons Hose Assembly 56121 is designed specifically for low-pressure A/C refrigerant suction applications in Ford Crown Victoria and Mercury Grand Marquis models. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system reliability.
Key Features of Four Seasons Hose Assembly 56121
- Material: Combination of aluminum and rubber for durability and flexibility
- End 1 Type: Springlock fitting for secure connection
- End 2 Type: Male springlock fitting for compatibility
- Refrigerant Type: Compatible with R134-a refrigerant systems
- Includes gasket and fittings for complete installation
- O-rings included: Six green O-rings (part number 24672) and two spring O-rings (part number 24222)
- Designed as a suction line for low-pressure A/C system operation
- Service port included for maintenance without switch
- OE replacement part ensuring proper fit and function
About the Four Seasons Hose Assembly Product Line
The Hose Assembly line from Four Seasons focuses on delivering precise HVAC hose and pipe solutions tailored to specific vehicle applications. This product line emphasizes compatibility and quality, providing assemblies that include necessary fittings and seals to streamline installation and maintain system integrity. The 56121 hose assembly is part of this line, engineered to meet the exact specifications required for Ford Crown Victoria and Mercury Grand Marquis A/C systems.
Detailed Product Description
This A/C refrigerant suction hose assembly is constructed with a combination of aluminum and rubber, offering a balance of strength and flexibility to withstand the demands of low-pressure refrigerant flow. The springlock fittings on both ends ensure a secure and leak-resistant connection to the vehicle’s HVAC system. Included gaskets and fittings simplify installation, while the multiple O-rings provide reliable sealing to prevent refrigerant loss. Designed for use with R134-a refrigerant, this hose assembly is an OE replacement part, ensuring compatibility and performance consistent with factory standards.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C refrigerant suction hoses
- Resolving refrigerant leaks caused by cracked or deteriorated hoses
- Restoring proper low-pressure refrigerant flow in Ford Crown Victoria and Mercury Grand Marquis A/C systems
- Eliminating connection failures due to faulty or missing fittings and seals
- Maintaining system efficiency by ensuring secure springlock connections
Installation Notes and Tips
- Verify compatibility with Ford Crown Victoria or Mercury Grand Marquis before installation
- Ensure all included O-rings and gaskets are properly seated to prevent leaks
- Use appropriate tools to connect springlock fittings securely without damaging the hose
- Inspect the A/C system for additional wear or damage during replacement
- Follow vehicle manufacturer guidelines for refrigerant handling and system servicing
Quality Assurance and Warranty
Four Seasons Hose Assembly 56121 is manufactured to meet or exceed OEM specifications for fit, form, and function. This part is an OE replacement designed to maintain the integrity of your vehicle’s HVAC system. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in material and workmanship to ensure reliability and customer confidence.
| Brand | Four Seasons |
| Part Number | 56121 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Component Type | Suction Line |
| Description | Hose Assemblies |
| End 1 Type | Springlock |
| End 2 Type | Male Springlock |
| Fittings Included | Included |
| Friction Material Attachment | w/o Switch Port |
| Gasket Or Seal Included | Included |
| Material | Aluminum / Rubber |
| Muffler? | w/o Muffler |
| O-Ring A Number/Desc | [24672] / Green O-Ring |
| O-Ring B Number/Desc | [24222] / Spring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134-A |
| Service Port? | w/ Service Port |
| Suction End Type | Springlock |
| Switch Included? | Not Included |
| System Pressure | Low Pressure |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Ford | Crown Victoria | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2011 | Mercury | Grand Marquis | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2010 | Ford | Crown Victoria | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2010 | Mercury | Grand Marquis | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2009 | Ford | Crown Victoria | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2009 | Mercury | Grand Marquis | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2008 | Ford | Crown Victoria | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2008 | Mercury | Grand Marquis | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2007 | Ford | Crown Victoria | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2007 | Mercury | Grand Marquis | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2006 | Ford | Crown Victoria | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2006 | Mercury | Grand Marquis | N/A | Suction Line; Bolts to Evaporator; Hose Assembly |
| 2005 | Ford | Crown Victoria | N/A | Bolts to Evaporator; Hose Assembly |
| 2005 | Mercury | Grand Marquis | N/A | Bolts to Evaporator; Hose Assembly |
| 2004 | Ford | Crown Victoria | N/A | Bolts to Evaporator; Hose Assembly |
| 2004 | Mercury | Grand Marquis | N/A | Bolts to Evaporator; Hose Assembly |
| 2003 | Ford | Crown Victoria | N/A | Bolts to Evaporator; Hose Assembly |
| 2003 | Mercury | Grand Marquis | N/A | Bolts to Evaporator; 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.