Four Seasons 55489 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 55489

The Four Seasons Hose Assembly 55489 is designed for reliable HVAC performance in select Chevrolet and GMC trucks and SUVs. This A/C refrigerant discharge and suction hose assembly is engineered to meet original equipment specifications, ensuring proper fit and function for your vehicle's air conditioning system.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes green O-rings for secure sealing
• Designed without switch service port or bracket
• Features female o-ring fittings on both discharge and suction ends
• Manifold included, no muffler or fittings included

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line from Four Seasons focuses on providing direct OE replacement hoses and pipes for automotive HVAC systems. This line emphasizes quality materials and precise engineering to maintain system integrity and refrigerant containment. The 55489 hose assembly fits within this line by offering a combined discharge and suction line solution tailored for specific Chevrolet and GMC models.

Product Features and Specifications

This hose assembly is constructed with a combination of aluminum and rubber, providing durability and flexibility necessary for HVAC refrigerant lines. It is designed specifically for R134a refrigerant, the standard for many modern air conditioning systems. The assembly includes multiple green O-rings (part numbers 24608, 24612, and 24615) to ensure leak-free connections at both the discharge and suction ends, which are female o-ring style with UNF threading. The product does not include fittings, brackets, mufflers, or switch service ports, focusing on the core hose assembly and manifold components.

Compatible Vehicles and Applications

• Chevrolet C10, C10 Suburban, C15, C20, C20 Suburban, C30
• Chevrolet C1500, C1500 Suburban, C2500, C2500 Suburban, C3500
• Chevrolet El Camino
• GMC Jimmy, K5 Blazer, K10, K10 Suburban, K20, K20 Suburban, K30
• GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500

Common Issues Addressed by This Hose Assembly

• Leaking refrigerant lines causing A/C system inefficiency
• Cracked or damaged discharge and suction hoses
• Failure of original hoses due to age or wear
• Loss of proper refrigerant pressure affecting cooling performance
• Replacement of non-OE or incompatible hose assemblies

Installation Notes and Tips

Ensure the vehicle’s A/C system is fully evacuated and depressurized before removing the old hose assembly. Verify that all included O-rings are properly seated and lubricated with refrigerant oil to prevent leaks. Since fittings and brackets are not included, retain or replace these components as needed. This hose assembly is designed for direct replacement on compatible Chevrolet and GMC models; confirm part number 55489 matches your vehicle’s requirements before installation.

Quality Assurance and Warranty

Four Seasons manufactures this hose assembly to meet or exceed original equipment standards, providing reliable performance in HVAC refrigerant lines. The product includes all necessary O-rings for sealing and is an exact OE replacement. Warranty coverage details should be confirmed with the product documentation or manufacturer, ensuring peace of mind with your purchase.