Four Seasons 55070 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 55070

The Four Seasons Hose Assembly 55070 is designed for reliable HVAC performance in select Buick, Chevrolet, Oldsmobile, and Pontiac 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 Impala and Pontiac Bonneville.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes green O-rings and gasket for secure sealing
• Features a discharge end with female UNF O-ring style
• Equipped with a muffler and manifold for noise reduction and system efficiency
• Includes a switch service port but does not come with fittings or brackets

Detailed Product Features and Specifications

The Four Seasons Hose Assembly 55070 is part of the Hose Assembly product line, which focuses on delivering precise HVAC hose and pipe solutions for automotive air conditioning systems. This assembly combines aluminum and rubber components to provide durability and flexibility under varying operating conditions. It is specifically designed for use with R134a refrigerant, the standard for many late-model vehicles.

This hose assembly includes multiple green O-rings ([24608], [24612], and [24615]) to ensure leak-free connections at both discharge and suction ends, which feature female UNF O-ring fittings. The inclusion of a muffler and manifold helps reduce noise and vibration, contributing to a quieter and more efficient A/C system. While the assembly comes with a switch service port, the switch itself and fittings are not included, and it does not include a mounting bracket.

Compatible Vehicles and Applications

This hose assembly is compatible with a range of Buick, Chevrolet, Oldsmobile, and Pontiac models, including:

• Buick Century, LeSabre, Regal
• Chevrolet Caprice, Impala
• Oldsmobile Cutlass, Cutlass Supreme, Cutlass Salon, Delta 88
• Pontiac Bonneville, Catalina, Custom Cruiser

It is designed to replace original equipment parts, making it suitable for maintenance or repair of the A/C refrigerant discharge and suction lines in these vehicles.

Common Issues Addressed by This Hose Assembly

• Leaks in the A/C refrigerant discharge or suction lines
• Noise or vibration caused by damaged or missing mufflers
• Failure of O-ring seals leading to refrigerant loss
• Wear or damage to aluminum or rubber hose components
• Incompatibility with R134a refrigerant systems

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55070, ensure all included green O-rings are properly seated to prevent leaks. Since fittings and brackets are not included, reuse original hardware or source compatible replacements. The assembly includes a switch service port but does not come with the switch; verify switch compatibility separately. Proper torque on UNF female O-ring fittings is essential to maintain system integrity.

Quality Assurance and Warranty

Four Seasons manufactures this hose assembly to meet or exceed original equipment standards. The part number 55070 is an OE replacement designed for durability and reliable performance in HVAC systems. The product includes all necessary sealing components to ensure a secure installation. Warranty details should be confirmed with the product documentation or manufacturer.