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Four Seasons 66559 A/C Refrigerant Suction Hose
Overview of Four Seasons Hose Assembly 66559
The Four Seasons Hose Assembly 66559 is designed specifically for Ford F-250 Super Duty and F-350 Super Duty models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.
- Constructed from durable aluminum and rubber materials
- Equipped with P-nut fittings on both ends for secure connections
- Compatible with R134-a refrigerant systems
- Includes gasket and fittings for proper sealing and installation
- Features an integrated muffler to reduce noise
- OE replacement part ensuring direct fit and function
- Includes one service port sized at 13 mm for maintenance access
Detailed Product Description
The Four Seasons Hose Assembly 66559 belongs to the Hose Assembly product line, which focuses on delivering reliable and precise HVAC hose and pipe solutions. This line is engineered to meet or exceed original equipment specifications, providing a direct replacement for factory parts. The 66559 suction hose is constructed from a combination of aluminum and rubber, offering durability and flexibility necessary for the low-pressure side of the air conditioning system. Both ends feature P-nut fittings, facilitating a secure and leak-free connection. The hose is designed for use with R134-a refrigerant, the standard for many modern vehicles, including Ford Super Duty trucks.
Applications and Problem Solving
- Restores proper refrigerant flow in the A/C suction line
- Eliminates leaks caused by worn or damaged hoses
- Reduces A/C system noise with built-in muffler
- Prevents contamination with included sealing washers and O-rings
- Supports maintenance with an integrated service port
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 66559 on Ford F-250 Super Duty or F-350 Super Duty models, ensure all old seals and fittings are removed and surfaces are clean. The included gasket and O-rings should be replaced to maintain a proper seal. Tighten P-nut fittings to manufacturer torque specifications to avoid leaks. The service port allows for easy refrigerant charging and system diagnostics without hose removal.
Quality Assurance and Warranty
This Four Seasons Hose Assembly 66559 is an OE replacement part, designed to meet original equipment standards for fit, form, and function. It includes all necessary fittings and seals to ensure a reliable installation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 66559 |
| 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/ Muffler |
| O-Ring A Number/Desc | [24243] / Tear Drop Sealing Washer |
| O-Ring B Number/Desc | [24258] |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134-A |
| 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 11 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2019 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2018 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2018 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2017 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | |
| 2017 | Ford | F-250 Super Duty | Platinum | 6.7L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2017 | Ford | F-250 Super Duty | XL | 6.7L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2017 | Ford | F-250 Super Duty | XLT | 6.7L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2017 | Ford | F-250 Super Duty | King Ranch | 6.7L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2017 | Ford | F-250 Super Duty | Lariat | 6.7L | V8 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2017 | Ford | F-350 Super Duty | 6.7L | 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.