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Four Seasons 56656 A/C Refrigerant Suction Hose
Overview of Four Seasons Hose Assembly 56656
The Four Seasons Hose Assembly 56656 is designed specifically for the HVAC system of INFINITI and Nissan vehicles, including the Pathfinder and QX4 models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow with durable aluminum and rubber construction.
- Material: Aluminum and rubber for durability and flexibility
- End fittings: P-nut fittings on both ends for secure connections
- Refrigerant compatibility: Designed for R134-a refrigerant systems
- Includes gasket, fittings, and bracket for complete installation
- O-rings included: Black (24150) and green (24684) for proper sealing
- OEM replacement part ensuring proper fit and function
- Service port included, switch not included
- Low-pressure suction line without muffler
Four Seasons Hose Assembly Product Line
The Hose Assembly product line by Four Seasons focuses on providing complete hose solutions for automotive HVAC systems. These assemblies combine high-quality materials and precise fittings to maintain system integrity and refrigerant flow. The 56656 part is part of this line, offering a ready-to-install suction hose assembly that meets OEM specifications for Nissan and INFINITI vehicles.
Detailed Product Description
This A/C refrigerant suction hose assembly is constructed with a combination of aluminum and rubber, providing both strength and flexibility to withstand the demands of the vehicle’s HVAC system. Both ends feature P-nut fittings, ensuring a secure and leak-free connection to the compressor and evaporator. The hose is designed for use with R134-a refrigerant and operates under low system pressure. Included with the hose are essential components such as gaskets, fittings, and a mounting bracket, facilitating a straightforward installation process. The assembly also comes with two O-rings (black and green) to ensure proper sealing and prevent refrigerant leaks. This part is an OEM replacement, guaranteeing compatibility with the specified INFINITI Pathfinder and Nissan QX4 models.
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 refrigerant flow in low-pressure A/C lines
- Eliminating poor A/C performance due to faulty suction line components
- Upgrading to OEM-quality parts for reliable HVAC system operation
Installation Notes and Tips
- Ensure the vehicle is compatible: INFINITI Pathfinder and Nissan QX4 models
- Verify that the refrigerant type is R134-a before installation
- Use the included gaskets and O-rings to prevent leaks
- Secure the hose assembly using the provided bracket for proper fitment
- Check all connections for tightness and absence of leaks after installation
Quality Assurance and Warranty
The Four Seasons Hose Assembly 56656 is manufactured to meet OEM standards, ensuring reliable performance and fitment. This part includes all necessary seals and fittings to maintain system integrity. 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 | 56656 |
| Position | Hose Assembly |
| Bracket? | w/ Bracket |
| Component Type | Suction Line |
| Description | Hose Assemblies |
| End 1 Type | P-Nut Fitting |
| End 2 Type | P-Nut Fitting |
| 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 | [24150] / Black O-Ring |
| O-Ring B Number/Desc | [24684] / Green O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134-A |
| Service Port? | w/ Service Port |
| Suction End Type | P-Nut Fitting |
| Switch Included? | Not Included |
| System Pressure | Low Pressure |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2001 | INFINITI | QX4 | N/A | Suction Line; From 8/00; Hose Assembly |
| 2001 | Nissan | Pathfinder | N/A | Suction Line; From 8/00; 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.