Four Seasons 55077 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 55077

The Four Seasons Hose Assembly 55077 is designed for reliable HVAC performance in select Chevrolet and GMC vehicles. This A/C refrigerant discharge and suction hose assembly is engineered to meet original equipment specifications, ensuring proper fit and function for models like the Chevrolet Blazer and GMC K5 Blazer.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes green o-rings for secure sealing
• Features a muffler to reduce noise and vibration
• Designed without a switch service port or bracket
• Manifold included for integrated system connection
• Female o-ring fittings on both discharge and suction ends

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line from Four Seasons focuses on delivering precise HVAC hose and pipe replacements that align with original equipment standards. This line emphasizes quality materials such as aluminum and rubber to withstand refrigerant pressures and temperature variations. The 55077 hose assembly exemplifies this approach by providing a direct OE replacement for Chevrolet and GMC trucks and SUVs, ensuring compatibility and durability within the vehicle’s air conditioning system.

Detailed Product Description

The Four Seasons 55077 hose assembly serves as both the discharge and suction line in the vehicle’s A/C system. It is constructed with aluminum and rubber components to balance flexibility and strength. The assembly is designed specifically for R134a refrigerant, the standard for many modern air conditioning systems. It includes multiple green o-rings ([24608], [24612], and [24615]) to ensure leak-free connections at both ends, which feature female UNF o-ring fittings. The inclusion of a muffler helps minimize operational noise, enhancing overall system performance. This hose assembly does not include fittings, brackets, or a switch service port, which should be considered during installation.

Applications and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge and suction hoses
• Restoring proper refrigerant flow in Chevrolet Blazer and GMC K5 Blazer air conditioning systems
• Eliminating noise caused by damaged or missing mufflers in the hose assembly
• Resolving refrigerant leaks due to degraded o-rings or hose material
• Ensuring compatibility with R134a refrigerant systems in Chevrolet and GMC trucks and SUVs

Installation Notes and Tips

• Verify compatibility with your specific Chevrolet or GMC model before installation
• Ensure all included green o-rings are properly seated to prevent refrigerant leaks
• Note that fittings and brackets are not included and may need to be reused or replaced separately
• Handle the aluminum and rubber components carefully to avoid damage during installation
• Check for proper seating of female UNF o-ring fittings on both discharge and suction ends

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55077 is manufactured to meet or exceed original equipment standards for HVAC hoses and pipes. It is an OE replacement part, ensuring fit and function for compatible Chevrolet and GMC vehicles. The product includes all necessary o-rings for sealing and is designed to work with R134a refrigerant systems. Warranty details should be confirmed with the product documentation or supplier, as they may vary.