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Four Seasons 66600 A/C Refrigerant Suction Hose
OE A/C Suction Hose for Toyota Prius
Four Seasons 66600 is an OE replacement A/C refrigerant suction hose assembly for low-pressure HVAC service. It uses aluminum and rubber construction with P-nut fittings and is built for R134a systems, making it a direct service part for select Toyota Prius and Prius Plug-In applications.
- Brand: Four Seasons Hose Assembly line
- Part number: 66600
- Part type: A/C refrigerant suction hose
- Component type: suction line for low-pressure operation
- Material: aluminum / rubber
- Refrigerant type: R134a
- End 1 type: P-nut fitting
- End 2 type: P-nut fitting
- Gasket or seal included
- Fittings included
- OE replacement design
- Green O-ring seal reference: 24681
Product Details
The Four Seasons Hose Assembly line focuses on replacement HVAC hose assemblies that match original equipment style connections and routing requirements. Four Seasons 66600 is a suction line for the low-pressure side of the air conditioning system, with P-nut fittings at both ends and included seals for service-ready installation. This part cross-references UAC HA111415C for the same application.
Compatible vehicle coverage includes Fits 2012 Toyota Prius, N/A; Fits 2012 Toyota Prius Plug-In, N/A; and Fits 2010-2011 Toyota Prius, N/A. Search terms such as Toyota Prius A/C refrigerant suction hose, Toyota Prius Plug-In suction line, and Four Seasons 66600 hose assembly align with this application.
Common Replacement Reasons
- Leaking or cracked A/C suction hose
- Loss of refrigerant from worn hose connections
- Damaged low-pressure suction line fittings
- Reduced A/C performance from hose deterioration
- Service replacement for R134a HVAC systems
Installation Notes
Verify the vehicle’s A/C line routing, fitting style, and refrigerant system before installation. Replace the suction line only after the system has been properly evacuated and serviced according to HVAC procedures. Confirm seal condition and connection cleanliness at both P-nut fittings before tightening.
Quality Assurance
Four Seasons 66600 is an OE replacement hose assembly built for the specified Toyota Prius and Prius Plug-In applications. It is supplied as a suction line for R134a low-pressure systems with included seals and fittings.
| Brand | Four Seasons |
|---|---|
| Part Number | 66600 |
| Position | Hose Assembly |
| Bracket? | w/o 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 | [24681] / Green O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port? | w/o Service Port |
| Suction End Type | P-Nut Fitting |
| Switch Included? | Not Included |
| System Pressure | Low Pressure |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Toyota | Prius | N/A | Suction Line; To 12/1/2011; Hose Assembly |
| 2012 | Toyota | Prius Plug-In | N/A | Suction Line; To 12/1/2011; Hose Assembly |
| 2011 | Toyota | Prius | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2010 | 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.