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Four Seasons 66608 A/C Refrigerant Suction Hose
Overview of Four Seasons Hose Assembly 66608
The Four Seasons Hose Assembly 66608 is designed specifically for the Toyota Sequoia's HVAC system. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow, maintaining optimal air conditioning performance in your vehicle.
- Constructed from durable aluminum and rubber materials
- Equipped with P-nut fittings on both suction ends for secure connections
- Compatible with R134a refrigerant systems
- Includes gasket, fittings, and green O-rings for proper sealing
- Features a built-in muffler to reduce noise
- Includes one 13 mm service port without a switch port
- OE replacement part designed for Toyota Sequoia models
Four Seasons Hose Assembly Product Line Details
The Four Seasons Hose Assembly product line focuses on delivering reliable hose assemblies tailored for HVAC systems. This line emphasizes quality materials and precise fitment, ensuring components like the 66608 suction hose meet OEM specifications for efficient refrigerant flow and system integrity.
Detailed Product Description
The Four Seasons 66608 A/C refrigerant suction hose is engineered for the low-pressure side of the Toyota Sequoia's air conditioning system. Made from a combination of aluminum and rubber, it balances flexibility with durability to withstand system pressures and temperature variations. The hose features P-nut fittings on both ends, providing a secure and leak-resistant connection. Included with the hose are two green O-rings (part number 24681), a gasket, and necessary fittings to ensure a proper seal and easy installation. The integrated muffler helps minimize operational noise, contributing to a quieter cabin environment. This hose assembly is designed without a bracket and does not include a switch, but it does have a single 13 mm service port for maintenance access.
Common Applications and Issues Addressed
- Replacement of worn or leaking A/C refrigerant suction hoses in Toyota Sequoia vehicles
- Resolving low refrigerant pressure issues caused by hose damage or leaks
- Eliminating noise from the suction line with the built-in muffler
- Ensuring proper refrigerant flow and system efficiency with OEM-quality components
- Facilitating maintenance through the included service port
Installation Notes and Tips
- Verify compatibility with Toyota Sequoia models before installation
- Use the included green O-rings and gasket to ensure leak-free connections
- Inspect fittings and service port for proper alignment during installation
- Do not reuse old seals or fittings to prevent refrigerant leaks
- Handle the aluminum and rubber hose carefully to avoid kinks or damage
Quality Assurance and Warranty
The Four Seasons Hose Assembly 66608 is an OE replacement part manufactured to meet or exceed original equipment standards. It undergoes rigorous quality control to ensure durability and performance in Toyota Sequoia HVAC systems. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
| Part Number | 66608 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Component Type | Suction Line |
| Description | Hose Assemblies |
| End 1 Type | P-Nut Fitting |
| Fittings Included | Included |
| Friction Material Attachment | w/o Switch Port |
| Gasket Or Seal Included | Included |
| Material | Aluminum / Rubber |
| Muffler? | w/ Muffler |
| O-Ring A Number/Desc | [24681] / Green O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| 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 |
| System Pressure | Low Pressure |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Toyota | Sequoia | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2018 | Toyota | Sequoia | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2017 | Toyota | Sequoia | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2016 | Toyota | Sequoia | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2015 | Toyota | Sequoia | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2014 | Toyota | Sequoia | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2013 | Toyota | Sequoia | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2012 | Toyota | Sequoia | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2011 | Toyota | Sequoia | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2010 | Toyota | Sequoia | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2009 | Toyota | Sequoia | 5.7L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2008 | Toyota | Sequoia | 5.7L | V8 | 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.