Four Seasons 66166 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66166

The Four Seasons Hose Assembly 66166 is designed specifically for the Jeep Grand Cherokee HVAC system. This A/C refrigerant discharge hose is engineered to handle high-pressure conditions and is compatible with R134a and R1234yf refrigerants, ensuring reliable performance in your vehicle's air conditioning system.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a and R1234yf refrigerants
• Includes gasket, fittings, and O-rings for secure installation
• Equipped with a switch service port (M10 x 1.25 thread size)
• Designed as a high-pressure discharge line without muffler or bracket
• OEM replacement part for Jeep Grand Cherokee models

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for automotive HVAC systems. These assemblies are designed to meet or exceed OEM specifications, offering components such as fittings, gaskets, and O-rings included for a complete replacement solution. The 66166 hose assembly is part of this line, delivering a high-pressure discharge line that integrates seamlessly with the Jeep Grand Cherokee's air conditioning system.

Detailed Product Description

This A/C refrigerant discharge hose assembly features a combination of aluminum and rubber materials to withstand the high-pressure environment of the HVAC system. It supports both R134a and R1234yf refrigerants, making it suitable for modern and legacy air conditioning systems. The assembly includes two types of O-rings—two standard and one green O-ring (part number 24606)—to ensure a tight seal and prevent leaks. The hose comes with fittings and a gasket included, but does not include a muffler or bracket. It also features a switch service port with a P-nut fitting and a thread size of M10 x 1.25, although the switch itself is not included.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge hoses in Jeep Grand Cherokee
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper high-pressure refrigerant flow in the HVAC system
• Addressing issues related to incompatible or outdated refrigerant hose materials
• Ensuring system integrity after component removal or maintenance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66166, ensure the vehicle is compatible—specifically Jeep Grand Cherokee models. Use the included gaskets and O-rings to maintain a secure, leak-free connection. The hose assembly does not include a bracket or muffler, so verify existing mounting points and hardware before installation. The switch service port is present but does not include the switch; if a switch replacement is needed, source it separately. Proper torque specifications should be followed for fittings and service port connections to avoid damage.

Quality Assurance and Warranty

This hose assembly is an OEM replacement part, designed to meet original equipment standards for fit and function. Four Seasons products typically undergo rigorous quality control to ensure durability and performance under high-pressure HVAC conditions. While specific warranty details are not provided here, Four Seasons generally offers limited warranties on their parts; consult product documentation or the manufacturer for exact warranty terms.