Four Seasons 55774 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55774

The Four Seasons Hose Assembly 55774 is designed specifically for the HVAC system of Dodge Durango and Jeep Grand Cherokee models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow, maintaining optimal air conditioning performance in your vehicle.

• Constructed from durable aluminum and rubber materials
• Features a male p-nut on the suction end and a capture o-ring on the opposite end
• Compatible with R134a refrigerant systems
• Includes gasket, fittings, and two slimline washer O-rings (part number 24404)
• Equipped with a 13 mm R134a quick disconnect service port on the low-pressure side
• OE replacement part designed for direct fit without modification
• Does not include a bracket, muffler, or switch

Four Seasons Hose Assembly Product Line

The Hose Assembly line by Four Seasons focuses on delivering precise HVAC hose and pipe replacements that meet original equipment specifications. The 55774 suction hose assembly is part of this line, engineered to provide dependable refrigerant flow and maintain system integrity in Dodge Durango and Jeep Grand Cherokee vehicles. This product line emphasizes quality materials and proper fitment to ensure seamless installation and long-term performance.

Detailed Product Description

This A/C refrigerant suction hose assembly combines aluminum and rubber to withstand the demands of low-pressure refrigerant circulation in your vehicle's HVAC system. The male p-nut fitting on one end and capture o-ring on the other provide secure connections, minimizing leaks. The included gasket and fittings simplify installation, while the slimline washer O-rings ensure a tight seal. The integrated 13 mm R134a quick disconnect service port allows for efficient servicing without the need for additional components. Designed as an OE replacement, part number 55774 fits Dodge Durango, Jeep Grand Cherokee, Grand Cherokee L, and Grand Cherokee WK models, ensuring compatibility and reliable operation.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses
• Resolving low refrigerant pressure and leaks in the suction line
• Restoring proper refrigerant flow for effective air conditioning
• Eliminating issues caused by cracked or deteriorated hose materials
• Facilitating maintenance with an integrated service port for quick disconnect

Installation Notes and Tips

Ensure the vehicle is depressurized and the A/C system is properly evacuated before removing the old suction hose. Verify that the gasket and O-rings are correctly positioned to prevent leaks. The male p-nut and capture o-ring fittings require careful tightening to manufacturer torque specifications. Since this assembly does not include a bracket or muffler, confirm existing mounting points are secure. The included fittings and service port simplify connection and servicing during installation.

Quality Assurance and Warranty

Four Seasons Hose Assembly 55774 is manufactured to meet or exceed original equipment standards for durability and fitment. The use of aluminum and rubber materials ensures resistance to wear and refrigerant exposure. This part is an OE replacement, providing confidence in compatibility and performance. Warranty coverage details should be confirmed with the product documentation or supplier.