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Four Seasons 66409 A/C Refrigerant Suction Hose
Reliable A/C Refrigerant Suction Hose for Nissan Murano
The Four Seasons Hose Assembly 66409 is designed specifically for the Nissan Murano to ensure efficient and reliable air conditioning system performance. This A/C refrigerant suction hose is engineered to meet OEM standards, providing a durable and precise fit for your vehicle's HVAC system.
Key Features of Four Seasons Hose Assembly 66409
- Constructed from a combination of aluminum and rubber for durability and flexibility
- Equipped with P-nut fittings on both ends for secure connections
- Compatible with R134-a refrigerant systems
- Includes a green O-ring (part number 24684) with two pieces for proper sealing
- Features a built-in muffler to reduce noise during operation
- Designed as a low-pressure suction line with a 13 mm service port
- Includes fittings and gasket/seal for a complete assembly
- OEM replacement part ensuring proper fit and function
About the Four Seasons Hose Assembly Product Line
The Hose Assembly line from Four Seasons focuses on delivering complete hose solutions for automotive HVAC systems. These assemblies combine high-quality materials and precise engineering to replace critical refrigerant lines, such as suction hoses, with components that meet or exceed original equipment specifications. The 66409 hose assembly is part of this line, offering a reliable replacement for the Nissan Murano's A/C system.
Detailed Product Description
This A/C refrigerant suction hose assembly is designed to handle low-pressure refrigerant flow within the Nissan Murano's air conditioning system. The aluminum and rubber construction provides a balance of strength and flexibility, accommodating engine vibrations and thermal expansion. Both ends feature P-nut fittings, ensuring a secure and leak-free connection. The included green O-rings and gasket help maintain system integrity, while the integrated muffler reduces operational noise. The service port allows for easy maintenance and refrigerant charging without removing the hose.
Common Issues Addressed by This Hose Assembly
- Leaks in the A/C suction line causing refrigerant loss
- Reduced cooling efficiency due to damaged or worn hoses
- Noise from refrigerant flow mitigated by the built-in muffler
- Difficulty servicing the A/C system without a proper service port
- Failure of OEM suction hoses leading to system downtime
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 66409 on a Nissan Murano, ensure all old refrigerant is properly evacuated from the system before removal. Verify that the green O-rings are correctly seated to prevent leaks. Tighten the P-nut fittings to manufacturer torque specifications to avoid damage. The included service port facilitates refrigerant charging and system diagnostics without hose removal. This hose assembly does not include a bracket or switch, so retain original mounting hardware and components as needed.
Quality Assurance and Warranty
Four Seasons manufactures this hose assembly to meet OEM standards, providing a reliable replacement part for Nissan Murano vehicles. The product includes all necessary seals and fittings to ensure proper installation and function. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 66409 |
| Position | Hose Assembly |
| Material | Aluminum / rubber |
| End 1 Type | P-nut fitting |
| End 2 Type | P-nut fitting |
| Refrigerant Type | R134-a |
| 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/o bracket |
| Description | Hose assemblies |
| Muffler? | W/ muffler |
| O-Ring A Number/Desc | [24684] / green o-ring |
| O-Ring A Quantity | 2 |
| 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 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | Nissan | Murano | N/A | w/ R134a; Hose Assembly | ||
| 2020 | Nissan | Murano | N/A | Suction Line; Hose Assembly | ||
| 2019 | Nissan | Murano | N/A | Suction Line; Hose Assembly | ||
| 2018 | Nissan | Murano | N/A | Suction Line; Hose Assembly | ||
| 2017 | Nissan | Murano | N/A | Suction Line; Hose Assembly | ||
| 2016 | Nissan | Murano | 3.5L | V6 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2015 | Nissan | Murano | 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.