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Four Seasons 66681 A/C Refrigerant Suction Hose
Overview of Four Seasons Hose Assembly 66681
The Four Seasons Hose Assembly 66681 is designed specifically for the Mazda CX-9, providing a reliable A/C refrigerant suction hose solution. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system performance.
- Compatible with Mazda CX-9 models
- Constructed from aluminum and rubber for durability
- Equipped with P-nut fittings on both ends for secure connections
- Designed for R134a refrigerant systems
- Includes gasket and fittings for proper sealing
- OE replacement part ensuring proper fit and function
- Low-pressure suction line without service or switch ports
Detailed Product Description
This Four Seasons Hose Assembly 66681 belongs to the Hose Assembly product line, which focuses on providing high-quality hose and pipe components for automotive HVAC systems. The assembly features a suction line designed to handle low-pressure refrigerant flow within the air conditioning system. Both ends of the hose use P-nut fittings, facilitating straightforward installation and secure attachment to the vehicle's A/C components. The hose is compatible with R134a refrigerant, the standard for many modern vehicles including the Mazda CX-9.
Included with the hose assembly are two black O-rings (part number 24150) and necessary fittings, ensuring a tight seal and preventing refrigerant leaks. This part does not include a bracket, muffler, or service port, reflecting its specific role as a suction line within the system. As an OE replacement, it meets the original equipment specifications for fit and performance.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C refrigerant suction hoses on Mazda CX-9
- Resolving refrigerant leaks caused by cracked or deteriorated hoses
- Restoring proper low-pressure refrigerant flow in the A/C system
- Eliminating poor A/C performance due to faulty suction lines
- Ensuring secure connections with included fittings and gaskets
Installation Notes and Tips
- Ensure the vehicle is compatible: specifically Mazda CX-9 models
- Use the included O-rings and fittings to prevent leaks
- Verify that both P-nut fittings are properly tightened to manufacturer torque specifications
- Inspect surrounding components for wear or damage during installation
- Do not attempt to install if the hose or fittings appear damaged
Quality Assurance and Warranty
The Four Seasons Hose Assembly 66681 is manufactured to meet OE standards, ensuring reliable performance and fitment for the Mazda CX-9. The product includes all necessary seals and fittings to maintain system integrity. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality controls and are backed by the brand's commitment to automotive HVAC component reliability.
| Brand | Four Seasons |
| Part Number | 66681 |
| 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/o Muffler |
| O-Ring A Number/Desc | [24150] / Black O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port? | w/o Service Port |
| Suction End Type | P-Nut Fitting |
| Switch Included? | Not Included |
| System Pressure | Low Pressure |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2015 | Mazda | CX-9 | N/A | Suction Line; Compressor End; Hose Assembly |
| 2014 | Mazda | CX-9 | N/A | Suction Line; Compressor End; Hose Assembly |
| 2013 | Mazda | CX-9 | N/A | Suction Line; Compressor End; Hose Assembly |
| 2012 | Mazda | CX-9 | N/A | Suction Line; Compressor End; Hose Assembly |
| 2011 | Mazda | CX-9 | N/A | Suction Line; Compressor End; From 12/10; 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.