Four Seasons 66118 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66118

The Four Seasons Hose Assembly 66118 is designed specifically for Cadillac CTS models requiring a reliable A/C refrigerant suction hose. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow within your vehicle's HVAC system.

• Constructed from aluminum and rubber for durability and flexibility
• Features a P-nut fitting on one end and a male o-ring on the suction end
• Compatible with R134a refrigerant systems
• Includes gasket, fittings, and bracket for secure installation
• OEM replacement part designed for Cadillac CTS
• Equipped with a service port but without a switch or muffler

Detailed Product Description

This A/C refrigerant suction hose from Four Seasons is part of the Hose Assembly product line, which focuses on providing complete hose solutions for automotive HVAC systems. The 66118 hose assembly is crafted to meet original equipment specifications, ensuring proper fit and function in Cadillac CTS vehicles. Its aluminum and rubber construction balances strength and flexibility, accommodating system vibrations and temperature variations. The hose features a P-nut fitting on one end and a male o-ring suction end, both designed for secure, leak-free connections. Included components such as the gasket, fittings, and mounting bracket simplify installation and maintain system integrity. This hose assembly is intended for low-pressure refrigerant flow and is compatible with R134a refrigerant, the standard for many modern vehicles.

Applications and Common Issues Addressed

• Replacement of worn or cracked A/C refrigerant suction hoses in Cadillac CTS
• Resolving refrigerant leaks caused by damaged fittings or seals
• Restoring proper low-pressure refrigerant flow for efficient A/C performance
• Addressing HVAC system failures related to suction line damage or corrosion
• Upgrading OEM components with a direct-fit replacement hose assembly

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66118, ensure the vehicle is compatible with R134a refrigerant systems. Use the included gasket and fittings to secure connections and prevent leaks. The mounting bracket should be properly aligned to avoid hose strain or vibration. Since this assembly does not include a switch or muffler, verify that your system’s existing components are compatible. Proper torque on the P-nut fitting and careful handling of the male o-ring end will help maintain system integrity during installation.

Quality Assurance and Warranty

Four Seasons manufactures the 66118 hose assembly to meet or exceed OEM standards for fit, form, and function. This part is an exact replacement designed for Cadillac CTS models, ensuring reliable performance within the vehicle’s HVAC system. The product includes all necessary seals and fittings to support a secure installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.