Four Seasons 65881 A/C Refrigerant Discharge / Suction Hose Assembly

Four Seasons 65881 A/C Hose Assembly

Four Seasons 65881 is an A/C refrigerant discharge and suction hose assembly built for R1234yf systems. It combines aluminum and rubber construction with P-nut fittings, an included gasket or seal, a service port, and a switch service port for a direct replacement on select GM applications.

This hose assembly is part of the Four Seasons Hose Assembly line, a product range focused on replacement HVAC hoses and pipes for mobile air conditioning service. Four Seasons draws on more than 50 years of mobile A/C experience and engineers these components for dependable operation in demanding underhood conditions.

Key Features

• Part number: 65881
• Discharge and suction line design
• Material: aluminum / rubber
• End 1 type: P-nut fitting
• End 2 type: P-nut fitting
• Refrigerant type: R1234yf
• Gasket or seal included
• Service port included
• Switch service port included
• With muffler; without bracket

Vehicle Fitment

• Fits 2017-2024 Cadillac XT5, N/A, w/ R1234yf; Hose Assembly
• Fits 2020-2024 Cadillac XT6, N/A, w/ R1234yf; Hose Assembly
• Fits 2019-2024 Chevrolet Blazer, N/A, w/ R1234yf; Hose Assembly
• Fits 2017-2023 GMC Acadia, N/A, w/ R1234yf; Hose Assembly

Detailed Description

Four Seasons 65881 is engineered as a replacement A/C refrigerant discharge / suction hose assembly for vehicles equipped with R1234yf refrigerant. The aluminum and rubber construction balances routing flexibility with durability, while the P-nut fittings support the specified OE-style connection points. The integrated muffler, service port, and switch service port make this a complete hose assembly for the listed applications, including Cadillac XT5, Cadillac XT6, Chevrolet Blazer, and GMC Acadia models.

This part cross-references UAC HA113851C for the same application.

Common Replacement Reasons

• Leaking or cracked A/C hose assembly
• Damaged refrigerant line fittings or seals
• Loss of A/C performance from refrigerant leakage
• Service port or switch port damage
• Noise or vibration related to a worn hose assembly

Installation Notes and Tips

Verify refrigerant type before installation; this hose assembly is for R1234yf systems only. Confirm the vehicle’s OE routing, connection style, and service port location against the original part before removal. Replace the seal or gasket during service, evacuate and recharge the system properly, and inspect adjacent A/C components for contamination or wear before returning the vehicle to service.

Quality Assurance

Four Seasons states that its HVAC products are engineered and tested for long service life and trouble-free operation. Backed by more than 50 years of mobile A/C experience, the brand positions this hose assembly as a direct replacement built to help restore proper refrigerant flow in the specified Cadillac, Chevrolet, and GMC applications.