Four Seasons 55078 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 55078

The Four Seasons Hose Assembly 55078 is designed for reliable performance in automotive HVAC systems. This A/C refrigerant discharge and suction hose assembly is compatible with various Chevrolet and GMC models, ensuring proper refrigerant flow and system efficiency.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant type
• Includes green o-rings for secure sealing
• Features a muffler and manifold for noise reduction and system integration
• Designed without fittings, brackets, or service ports
• OEM replacement part for Chevrolet and GMC trucks and SUVs

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering precise HVAC hose and pipe solutions tailored for specific vehicle applications. This line emphasizes quality materials and exact fitment, such as the 55078 hose assembly, which supports both discharge and suction functions in air conditioning systems for Chevrolet and GMC trucks and SUVs.

Detailed Product Description

The Four Seasons 55078 hose assembly is engineered with a combination of aluminum and rubber to withstand the pressures and temperatures typical in automotive A/C systems. It is designed specifically for use with R134a refrigerant, the standard in many modern vehicles. The assembly includes multiple green o-rings ([24608], [24612], [24615], and [24610]) to ensure leak-free connections at both the discharge and suction ends. The discharge end features a female UNF o-ring style fitting, while the suction end uses a male insert o-ring fitting. This hose assembly also incorporates a muffler and manifold to reduce noise and vibration during operation. It does not include fittings, brackets, or service ports, which should be sourced separately if needed.

Compatible Vehicles and Applications

• Chevrolet C10, C10 Suburban, C20, C20 Suburban, C30
• Chevrolet C1500 Suburban, C2500 Suburban
• GMC Jimmy, K5 Blazer, K10, K10 Suburban, K20, K20 Suburban
• GMC K30, K1500 Suburban, K2500 Suburban

This hose assembly is intended for use in the A/C refrigerant discharge and suction lines of these specific Chevrolet and GMC models, providing a direct OEM replacement to maintain system integrity.

Common Issues Addressed by This Hose Assembly

• Leaking refrigerant due to worn or damaged hoses
• Reduced A/C system efficiency from compromised seals
• Noise and vibration caused by failing mufflers or manifolds
• Corrosion or cracking in original aluminum or rubber hoses
• Incompatibility with R134a refrigerant systems

Installation Notes and Tips

When installing the Four Seasons 55078 hose assembly, ensure all old hoses and seals are fully removed and the connection points are clean. Verify that the included green o-rings are properly seated to prevent leaks. Since this assembly does not include fittings or brackets, confirm that existing hardware is in good condition or replace as necessary. Proper torque specifications should be followed to avoid damage to the o-rings or fittings. This part is designed for professional installation due to the complexity of A/C systems.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OEM replacement part, meeting or exceeding original equipment specifications for fit and function. The inclusion of multiple green o-rings ensures a secure seal and long-lasting performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.