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Four Seasons 66251 A/C Refrigerant Suction Hose
Reliable A/C Refrigerant Suction Hose for Subaru Models
The Four Seasons Hose Assembly 66251 is designed specifically for Subaru Crosstrek, Impreza, XV, and XV Crosstrek models. This A/C refrigerant suction hose ensures proper low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.
- Constructed from durable aluminum and rubber materials for long-lasting use
- Features a flange end and a P-nut fitting for secure connections
- Compatible with R134a refrigerant systems
- Includes gasket and fittings for a complete assembly
- Equipped with a bracket for stable mounting
- Includes one service port sized at 13 mm on the low-pressure side
- Comes with black and green O-rings for proper sealing
- OE replacement part ensuring direct fit and function
About the Four Seasons Hose Assembly Product Line
The Four Seasons Hose Assembly line focuses on providing reliable hose assemblies for automotive HVAC systems. These assemblies combine high-quality materials like aluminum and rubber to withstand system pressures and environmental conditions. The 66251 part is engineered to meet OEM specifications, ensuring compatibility and performance for Subaru vehicles requiring a dependable suction line.
Detailed Product Description
The Four Seasons 66251 A/C refrigerant suction hose is a critical component in the HVAC system of Subaru Crosstrek, Impreza, XV, and XV Crosstrek models. It serves as the low-pressure suction line, facilitating the flow of R134a refrigerant from the evaporator to the compressor. The hose assembly features a flange on one end and a P-nut fitting on the other, providing secure and leak-resistant connections. Included are essential gaskets and fittings, along with black and green O-rings to ensure a tight seal. The assembly also includes a mounting bracket for proper installation and stability. This hose assembly does not include a muffler or switch but comes with a service port on the low-pressure side for maintenance access.
Common Issues Addressed by This Hose Assembly
- Leaking refrigerant due to worn or damaged suction hoses
- Reduced A/C cooling efficiency from low refrigerant flow
- HVAC system pressure loss caused by faulty suction lines
- Difficulty in servicing A/C system without a proper service port
- Vibration or movement issues without a secure mounting bracket
Installation Notes and Tips
When installing the Four Seasons 66251 suction hose, ensure all O-rings are properly seated to prevent leaks. The included bracket should be used to secure the hose assembly firmly in place, minimizing vibration and wear. Verify that the service port is accessible for future maintenance. This hose assembly is designed as a direct OE replacement, so no modifications should be necessary for Subaru Crosstrek, Impreza, XV, and XV Crosstrek models.
Quality Assurance and Warranty
Four Seasons manufactures this hose assembly to meet or exceed OEM standards, ensuring reliable performance and durability. The 66251 part number is an exact replacement for the original equipment suction line, providing confidence in fit and function. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 66251 |
| Position | Hose Assembly |
| Material | Aluminum / rubber |
| End 1 Type | Flange |
| End 2 Type | P-nut fitting |
| Refrigerant Type | R134a |
| Component Type | Suction line |
| System Pressure | Low pressure |
| Gasket Or Seal Included | Included |
| Switch Service Port | W/o switch port |
| Fittings Included | Included |
| Bracket? | W/ bracket |
| Description | Hose assemblies |
| Muffler? | W/o muffler |
| O-Ring A Number/Desc | [24150] / black o-ring |
| O-Ring A Quantity | 1 |
| O-Ring B Number/Desc | [24684] / green o-ring |
| O-Ring B Quantity | 1 |
| O.E. Replacement? | Yes |
| Service Port Qty | 1 |
| Service Port Size | 13 mm |
| Service Port? | W/ service port |
| Suction End Type | P-nut fitting |
| Sve Port Low Side | Low side |
| Switch Included? | Not included |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2017 | Subaru | Crosstrek | N/A | Suction Line; Hose Assembly | ||||
| 2016 | Subaru | Crosstrek | 2.0L | H4 | GAS | N/A | Suction Line; Hose Assembly | |
| 2016 | Subaru | Impreza | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||||
| 2016 | Subaru | XV | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||||
| 2015 | Subaru | Impreza | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||||
| 2015 | Subaru | XV | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||||
| 2015 | Subaru | XV Crosstrek | 2.0L | H4 | GAS | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2014 | Subaru | Impreza | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2014 | Subaru | Impreza | Limited | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2014 | Subaru | Impreza | Base | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2014 | Subaru | Impreza | Premium | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2014 | Subaru | Impreza | Sport Premium | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2014 | Subaru | Impreza | Sport Limited | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2013 | Subaru | Impreza | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2013 | Subaru | Impreza | Limited | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2013 | Subaru | Impreza | Base | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2013 | Subaru | Impreza | Premium | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2013 | Subaru | Impreza | Sport Premium | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2013 | Subaru | Impreza | Sport Limited | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2013 | Subaru | XV | 2.0L | H4 | GAS | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2013 | Subaru | XV Crosstrek | 2.0L | H4 | GAS | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2012 | Subaru | Impreza | Limited | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2012 | Subaru | Impreza | Base | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2012 | Subaru | Impreza | Touring | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2012 | Subaru | Impreza | Sport | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2012 | Subaru | Impreza | R | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2012 | Subaru | Impreza | Premium | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2012 | Subaru | Impreza | Sport Premium | 2.0L | H4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2012 | Subaru | Impreza | Sport Limited | 2.0L | H4 | 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.