Four Seasons 56375 A/C Refrigerant Discharge / Suction Hose Assembly

OE Replacement A/C Hose Assembly

Four Seasons 56375 is an OE replacement A/C refrigerant discharge and suction hose assembly for select Ford Super Duty applications. Built with aluminum and rubber construction, it is configured for R134a systems and includes the service port and seals needed for a direct replacement on the listed vehicles.

Fits 1999-2003 Ford F-250 Super Duty and 1999-2003 Ford F-350 Super Duty, with rear A/C not included on 2000-2003 Ford Excursion applications. Four Seasons 56375 is also referenced by cross numbers used for the same application, including UAC HA10678C.

Key Features

• Part number: 56375
• Brand line: Four Seasons Hose Assembly
• Discharge and suction line assembly
• Aluminum / rubber construction
• For R134a refrigerant systems
• Includes gasket or seal and O-rings
• Includes R134-A quick disconnect service port
• Manifold design with P-nut fitting ends
• OE replacement configuration
• Without bracket, without muffler, switch port included

Detailed Description

This Four Seasons hose assembly is built for HVAC service on Ford trucks and SUV applications that use an R134a refrigerant system. The discharge and suction line design, manifold layout, and P-nut fitting ends support replacement of the original A/C hose routing on 1999-2003 Ford F-250 Super Duty, 1999-2003 Ford F-350 Super Duty, and 2000-2003 Ford Excursion models. The assembly includes the service port and seals, and it is specified as an OE replacement part for direct-fit service work.

Four Seasons 56375 is a practical choice when replacing a leaking, damaged, or aging A/C hose assembly on Ford Excursion, Ford F-250 Super Duty, or Ford F-350 Super Duty vehicles. The aluminum and rubber construction helps match factory-style routing and connection points, while the included green O-rings support sealing at the connection interfaces.

What This Part Helps Address

• Refrigerant loss from cracked or deteriorated hose sections
• A/C performance issues caused by leaking discharge or suction lines
• Service port wear or damage on the original hose assembly
• Seal failure at hose connections and manifold joints
• Replacement needs on Ford F-250 Super Duty, F-350 Super Duty, and Excursion A/C systems

Installation Notes and Tips

Verify the vehicle’s refrigerant system uses R134a before installation. Confirm hose routing, fitting style, and service port configuration against the original assembly on the vehicle. This part uses P-nut fitting ends and is supplied without a bracket or muffler, so the existing mounting and system layout should be checked before service. For 2000-2003 Ford Excursion applications, rear A/C is not included in this assembly.

Quality Assurance

Four Seasons 56375 is an OE replacement hose assembly built to match the listed application requirements for Ford Super Duty and Excursion HVAC service. The part is identified with established interchange references, including UAC HA10678C, for the same application.