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Four Seasons 66402 A/C Refrigerant Suction Hose
Overview of Four Seasons Hose Assembly 66402
The Four Seasons Hose Assembly 66402 is designed specifically for Nissan Altima models requiring a reliable A/C refrigerant suction hose. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow within the vehicle's HVAC system.
- Material: Aluminum and rubber for durability and flexibility
- End fittings: P-nut fittings on both ends for secure connections
- Refrigerant compatibility: Designed for R134-a refrigerant systems
- Includes gasket, fittings, and green O-rings (part number 24684)
- Equipped with a muffler and a 13 mm service port on the low-pressure side
- OE replacement part, compatible with Nissan Altima
Detailed Product Description
This Four Seasons Hose Assembly 66402 belongs to the Hose Assembly product line, which focuses on providing complete hose solutions for automotive HVAC systems. The assembly combines aluminum tubing with rubber sections to balance strength and flexibility, reducing the risk of leaks or damage under typical operating conditions. Both ends feature P-nut fittings, ensuring a tight, leak-resistant seal when connected to the vehicle's A/C system. The included green O-rings and gasket help maintain system integrity, while the integrated muffler reduces noise during refrigerant flow. This hose assembly is designed for use with R134-a refrigerant and operates on the low-pressure side of the system, making it suitable for the suction line in Nissan Altima models.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C refrigerant suction hoses in Nissan Altima vehicles
- Resolving refrigerant leaks caused by cracked or deteriorated hoses
- Eliminating low-pressure side noise with the built-in muffler
- Ensuring proper refrigerant flow and pressure for efficient A/C performance
- Maintaining system integrity with included gaskets and O-rings
Installation Notes and Tips
- Verify compatibility with Nissan Altima model year before installation
- Ensure all fittings and O-rings are properly seated to prevent leaks
- Use appropriate tools to tighten P-nut fittings without over-torquing
- Check the service port for accessibility during A/C system servicing
- Inspect the hose assembly for any damage before installation
Quality Assurance and Warranty
The Four Seasons Hose Assembly 66402 is an OE replacement part, meeting original equipment specifications for fit and function. It includes all necessary fittings, gaskets, and seals to ensure a proper installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry standards for quality and reliability, supporting long-term performance in Nissan Altima HVAC systems.
| Brand | Four Seasons |
| Part Number | 66402 |
| 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 | [24684] / Green O-Ring |
| 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 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Nissan | Altima | 2.5L | L4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2017 | Nissan | Altima | 2.5L | L4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2016 | Nissan | Altima | 2.5L | L4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2015 | Nissan | Altima | 2.5L | L4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2014 | Nissan | Altima | 2.5L | L4 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 2013 | Nissan | Altima | 2.5L | L4 | 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.