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Four Seasons 55181 A/C Refrigerant Suction Hose
Overview of Four Seasons Hose Assembly 55181
The Four Seasons Hose Assembly 55181 is designed specifically for Toyota Prius models requiring a reliable A/C refrigerant suction hose. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system performance in low-pressure A/C applications.
- Material: Aluminum and rubber construction for durability and flexibility
- End 1 Type: P-nut fitting for secure connection
- End 2 Type: Captured green o-ring (part number 24682) included for leak prevention
- Refrigerant Type: Compatible with R134-a refrigerant
- Component Type: Suction line designed for low-pressure A/C systems
- Includes gasket and fittings for complete installation
- Service Port: 13 mm R134-a quick disconnect (without switch port)
- OE Replacement: Yes, meets original equipment specifications
- Fitment: Compatible with Toyota Prius models
About the Four Seasons Hose Assembly Product Line
The Four Seasons Hose Assembly product line focuses on delivering precise replacement hoses and pipes for automotive HVAC systems. This line includes assemblies engineered to meet or exceed OEM standards, ensuring proper fit and function. The 55181 hose assembly is part of this line, providing a direct replacement suction hose for Toyota Prius vehicles, designed to maintain system integrity and refrigerant flow.
Detailed Product Description
This A/C refrigerant suction hose assembly features a combination of aluminum and rubber materials, offering both strength and flexibility to withstand the demands of automotive HVAC systems. The P-nut fitting on one end and the captured green o-ring on the other ensure a secure, leak-resistant connection. Designed for use with R134-a refrigerant, this hose operates under low system pressure and includes all necessary gaskets and fittings for installation. The hose assembly does not include a bracket, muffler, or switch, focusing solely on the suction line function. It is an exact OE replacement, making it suitable for Toyota Prius owners seeking reliable HVAC hose components.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C refrigerant suction hoses in Toyota Prius vehicles
- Resolving refrigerant leaks caused by degraded o-rings or fittings
- Restoring proper refrigerant flow in low-pressure A/C systems
- Eliminating poor A/C performance due to compromised suction lines
- Ensuring compatibility with R134-a refrigerant systems
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 55181, ensure all fittings and gaskets are properly seated to prevent leaks. Use the included green o-rings (part number 24682) and verify the P-nut fitting is tightened to manufacturer specifications. This hose assembly is designed without a bracket or muffler, so confirm existing mounting points are secure. The 13 mm R134-a quick disconnect service port facilitates easy servicing without additional modifications.
Quality Assurance and Warranty
Four Seasons provides this hose assembly as an OE replacement part, manufactured to meet original equipment standards for fit and function. The product includes all necessary seals and fittings to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons parts typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 55181 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Component Type | Suction Line |
| Description | Hose Assemblies |
| End 1 Type | P-Nut Fitting |
| End 2 Type | Captured O-Ring |
| 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 | [24682] / Green O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134-A |
| Service Port Qty | 1 |
| Service Port Size | 13 mm |
| Service Port Type | R134-A Quick Disconnect |
| Service Port? | w/o Service Port |
| Suction End Type | Flange |
| Sve Port Low Side | Low Side |
| Switch Included? | Not Included |
| System Pressure | Low Pressure |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Toyota | Prius | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2008 | Toyota | Prius | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2007 | Toyota | Prius | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2006 | Toyota | Prius | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2005 | Toyota | Prius | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2004 | Toyota | Prius | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; 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.