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Four Seasons 56521 A/C Refrigerant Discharge / Suction Hose Assembly
Overview of Four Seasons Hose Assembly 56521
The Four Seasons Hose Assembly 56521 is designed specifically for Jeep Cherokee models, providing reliable A/C refrigerant discharge and suction line functionality. Constructed with durable aluminum and rubber materials, this hose assembly supports R134a refrigerant systems and includes essential sealing components for a secure fit.
- Compatible with Jeep Cherokee A/C systems
- Constructed from aluminum and rubber for durability
- Includes green o-rings and sealing washers for leak prevention
- Equipped with R134a quick disconnect service port and switch service port
- Discharge end features a 0.500 inch male springlock fitting
- Suction end uses a P-nut fitting for secure connection
- O.E. replacement part ensuring proper fit and function
Detailed Product Features and Specifications
This Four Seasons Hose Assembly 56521 belongs to the Hose Assembly product line, which focuses on delivering precise HVAC hose and pipe solutions for vehicle air conditioning systems. The assembly combines aluminum tubing with rubber sections to balance strength and flexibility, essential for maintaining refrigerant flow under varying engine conditions. It supports R134a refrigerant, the standard for many modern vehicles, including the Jeep Cherokee.
The discharge end is a 0.500 inch (12.7 mm) male springlock fitting, designed for quick and secure connections. The suction end features a P-nut fitting, ensuring compatibility with factory components. This assembly includes multiple green o-rings ([24606], [24668], [23682]) and sealing washers ([24354]) to prevent leaks and maintain system integrity. A service port with a quick disconnect for R134a refrigerant is integrated, along with a switch service port, although the switch itself is not included. The assembly does not include fittings or brackets and is supplied without a muffler.
Applications and Common Issues Addressed
- Replacement of worn or damaged A/C refrigerant discharge and suction hoses on Jeep Cherokee models
- Resolving refrigerant leaks caused by degraded o-rings or seals
- Restoring proper refrigerant flow to improve A/C system performance
- Addressing issues related to faulty or missing service ports for maintenance access
- Ensuring compatibility with R134a refrigerant systems in Jeep Cherokee vehicles
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 56521, ensure all old o-rings and seals are removed and replaced with the included components to prevent leaks. The male springlock discharge fitting requires proper alignment and secure locking to avoid refrigerant loss. The P-nut suction fitting should be tightened to manufacturer torque specifications. Note that fittings and brackets are not included, so reusing existing hardware or sourcing separately may be necessary. The switch service port is present, but the switch itself must be installed separately if required.
Quality Assurance and Warranty
Four Seasons provides this hose assembly as an O.E. replacement part, ensuring it meets original equipment specifications for fit and function on Jeep Cherokee vehicles. The inclusion of multiple o-rings and sealing washers supports long-term leak prevention. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 56521 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Discharge End IN | 0.500 |
| Discharge End MM | 12.700 |
| Discharge End Style | Male Springlock |
| Discharge End Type | Male Springlock |
| Fittings Included | Not Included |
| Friction Material Attachment | w/ Switch Port |
| Gasket Or Seal Included | Included |
| Manifold? | Yes |
| Material | Aluminum / Rubber |
| Muffler? | w/o Muffler |
| O-Ring A Number/Desc | [24606] / Green O-Ring |
| O-Ring B Number/Desc | [24354] / Sealing Washer |
| O-Ring C Number/Desc | [24668] / Green O-Ring |
| O-Ring D Number/Desc | [23682] / Green O-Ring |
| O-Ring E Number/Desc | [24218] / Spring |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port Type | R134-A Quick Disconnect |
| Service Port? | w/ Service Port |
| Suction End Style | P-Nut Fitting |
| Suction End Type | P-Nut Fitting |
| Switch Included? | Not Included |
| Type | Discharge & Suction Line |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Jeep | Cherokee | N/A | Hose Assembly | ||
| 2000 | Jeep | Cherokee | 4.0L | L6 | N/A | From 11/4/99; 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.