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Four Seasons 66348 A/C Refrigerant Liquid Hose
Overview of Four Seasons Hose Assembly 66348
The Four Seasons Hose Assembly 66348 is designed specifically for Land Rover LR4 and Range Rover Sport models. This A/C refrigerant liquid hose is engineered to handle high-pressure R134a refrigerant systems, ensuring reliable performance in your vehicle's HVAC system.
- Constructed from durable aluminum and rubber materials
- Compatible with R134a refrigerant type
- Includes green O-rings [24131] and [24611] for secure sealing
- Equipped with a high-pressure service port (M8x1.000) and switch service port (M11x1.0)
- Features P-nut fittings on both liquid and suction ends
- Includes an orifice tube and gasket for proper system integration
- OE replacement part designed without a mounting bracket
Detailed Product Description
This Four Seasons Hose Assembly from the Hose Assembly product line is a direct OE replacement designed to maintain the integrity of your Land Rover LR4 or Range Rover Sport's air conditioning system. The combination of aluminum and rubber materials provides durability and flexibility, essential for withstanding the high pressures of R134a refrigerant. The hose assembly includes both green O-rings [24131] and [24611] to ensure a tight, leak-free connection. It features a P-nut fitting style on both the liquid line and suction end, facilitating straightforward installation. The inclusion of a service port and switch service port allows for easy system diagnostics and maintenance. This hose assembly is supplied without a bracket but includes a gasket and an orifice tube to meet OEM specifications.
Applications and Common Issues Addressed
- Replacement of worn or damaged A/C refrigerant liquid hoses in Land Rover LR4 and Range Rover Sport
- Resolution of refrigerant leaks caused by degraded seals or O-rings
- Restoration of proper high-pressure refrigerant flow in the HVAC system
- Correction of faulty or missing service ports for system servicing
- Elimination of hose assembly failures due to material fatigue or cracking
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 66348, ensure all O-rings are properly seated and lubricated to prevent leaks. The P-nut fittings require careful tightening to manufacturer torque specifications to avoid damage. Since this assembly does not include a mounting bracket, verify existing brackets are intact and secure the hose accordingly. The included orifice tube must be installed correctly to maintain system performance. Always evacuate and recharge the A/C system following installation to ensure optimal operation.
Quality Assurance and Warranty
Four Seasons products are manufactured to meet or exceed OEM standards, providing reliable performance for Land Rover LR4 and Range Rover Sport vehicles. This hose assembly is an OE replacement part, ensuring compatibility and durability. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Four Seasons |
| Part Number | 66348 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Description | Hose Assemblies |
| Friction Material Attachment | w/ Switch Port |
| Gasket Or Seal Included | Included |
| Liquid Line Style | P-Nut Fitting |
| Material | Aluminum / Rubber |
| O-Ring A Number/Desc | [24131] / Green O-Ring |
| O-Ring B Number/Desc | [24611] / Green O-Ring |
| O.E. Replacement? | Yes |
| Orifice Tube? | w/ Orifice Tube |
| Refrigerant Type | R134a |
| Service Port Size | M8x1.000 |
| Service Port? | w/ Service Port |
| Style | Liquid Line Hose Assembly w/o Orifice Tube |
| Suction End Type | P-Nut Fitting |
| Svc Port High Side | High Side |
| Switch Port Size | M11X1.0 |
| System Pressure | High Pressure |
| Type | Liquid Line |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2013 | Land Rover | LR4 | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2013 | Land Rover | Range Rover Sport | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2012 | Land Rover | LR4 | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2012 | Land Rover | Range Rover Sport | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2011 | Land Rover | LR4 | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2011 | Land Rover | Range Rover Sport | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2010 | Land Rover | LR4 | N/A | Fitment: Without Orifice Tube.; Hose Assembly |
| 2010 | Land Rover | Range Rover Sport | N/A | Fitment: Without Orifice Tube.; 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.