Four Seasons 56590 A/C Refrigerant Discharge / Suction Hose Assembly

OE A/C Hose Assembly for Malibu, G6, and Aura

Four Seasons 56590 is an OE replacement A/C refrigerant discharge and suction hose assembly built for vehicles using R134a refrigerant. It combines aluminum and rubber construction with a manifold and bracket for a direct-fit style repair on select Chevrolet Malibu, Pontiac G6, and Saturn Aura applications.

Use this Four Seasons hose assembly when servicing the air conditioning line between major system components on 2007-2012 GM midsize platforms. The Four Seasons 56590 is built as a discharge and suction line assembly with OE-style flange ends and included seals for a cleaner replacement process.

Key Features

• Part number 56590
• OE replacement A/C refrigerant discharge / suction hose assembly
• Aluminum / rubber construction
• For R134a refrigerant systems
• Manifold included
• Bracket included
• Gasket or seal included
• Male O-ring discharge end style with flange connection
• O-ring suction end style with flange connection
• Service port not included
• Switch port not included
• Switch not included
• Fittings not included
• O-rings included

Detailed Description

Four Seasons 56590 is a hose assembly from the Four Seasons Hose Assembly line, made for OE-style A/C line replacement where the refrigerant discharge and suction routing is serviced as a single assembly. Its aluminum and rubber design supports the routing and connection points used in modern HVAC systems, while the included manifold, bracket, and seals help match the original equipment layout. This part cross-references UAC HA111643C for the same application. Fits 2008-2012 Chevrolet Malibu, N/A. Fits 2007-2009 Pontiac G6, N/A. Fits 2007-2009 Saturn Aura, N/A.

What It Helps Address

• Refrigerant line leakage at hose connections
• Cracked or deteriorated A/C hose sections
• Loss of cooling performance from damaged discharge or suction routing
• Failed OE-style hose assembly on R134a systems
• Service issues caused by worn seals or O-ring interfaces

Installation Notes and Tips

Verify the vehicle’s A/C line routing, end styles, and bracket layout before installation. This assembly uses flange-style connections with male O-ring discharge and O-ring suction ends, and it does not include a service port, switch port, switch, muffler, or fittings. Replace the included seals as part of the repair and evacuate/recharge the system with the correct R134a service procedure after installation.

Quality Assurance

Four Seasons 56590 is an OE replacement part built to match the original hose assembly application for select Chevrolet Malibu, Pontiac G6, and Saturn Aura models. The part number 56590 is also listed under common interchange references, including Four Seasons 56590 and UAC HA111643C.