Four Seasons 66143 A/C Refrigerant Discharge / Suction Hose Assembly

Four Seasons 66143 A/C Hose Assembly

The Four Seasons Hose Assembly 66143 is an OE replacement A/C refrigerant discharge and suction line built for R134a systems. It combines aluminum and rubber construction with included O-rings and seals for a direct-service HVAC repair on select Jeep Cherokee models.

Key Features

• Part number 66143 from Four Seasons Hose Assembly line
• Discharge and suction line assembly for HVAC refrigerant routing
• Aluminum / rubber construction for factory-style fit and flexibility
• R134a refrigerant type
• Includes gasket or seal and O-rings
• Includes service port with R134-A quick disconnect
• With bracket, manifold, and block-style manifold suction connection
• OE replacement design for direct-fit service

Product Details

This Four Seasons 66143 hose assembly is built for the A/C system on 2014-2018 Jeep Cherokee models equipped with R134a refrigerant. It uses a male P-nut flange on the discharge end, a P-nut fitting on the suction end, and a block-style manifold connection to match the original HVAC routing. The assembly also includes a service port and is supplied without a switch port, muffler, or switch.

Four Seasons positions this Hose Assembly line as a factory-style replacement solution for HVAC service work where the original refrigerant line has leaked, cracked, or lost sealing integrity. This part cross-references UAC HA112498C for the same application. If you are replacing the A/C refrigerant discharge / suction hose assembly on a Jeep Cherokee, part number 66143 is the direct reference to verify before ordering.

Common Repair Uses

• Fixing refrigerant leaks at the hose, seal, or fitting connections
• Restoring A/C performance after a damaged discharge or suction line
• Replacing a corroded or fatigued HVAC hose assembly
• Addressing service-port related A/C maintenance issues
• Repairing factory line routing on Jeep Cherokee R134a systems

Installation Notes

Confirm the vehicle uses R134a refrigerant and matches the listed 2014-2018 Jeep Cherokee fitment before installation. Inspect mating surfaces, replace worn seals as needed, and verify all connections are clean and properly seated before evacuating and recharging the system. Because this assembly includes a service port and bracket, compare the original line layout and port style to ensure correct installation.

Quality Assurance

Four Seasons is a recognized HVAC parts brand with OE replacement coverage across refrigerant line applications. Part number 66143 is built to match the original hose assembly configuration for the listed Jeep Cherokee models and support a proper factory-style repair.