Four Seasons 66739 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 66739

The Four Seasons Hose Assembly 66739 is designed specifically for Chevrolet Captiva Sport models, providing reliable A/C refrigerant discharge and suction line functionality. Constructed with durable aluminum and rubber materials, this hose assembly supports both high and low system pressures for efficient air conditioning performance.

• Compatible with Chevrolet Captiva Sport vehicles
• Constructed from aluminum and rubber for durability
• Designed for R134-a refrigerant systems
• Includes gaskets, fittings, and O-rings for a complete installation
• Features P-nut fittings on both discharge and suction ends
• Equipped with a switch service port (without switch included)
• OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering reliable HVAC hoses and pipes engineered to meet original equipment specifications. This line includes assemblies designed for both refrigerant discharge and suction, ensuring compatibility with various vehicle systems. The 66739 part exemplifies this line by combining quality materials and comprehensive fittings to support efficient air conditioning system operation in Chevrolet Captiva Sport models.

Detailed Product Description

This A/C refrigerant discharge and suction hose assembly (part number 66739) is built to handle both high and low system pressures, making it suitable for the complete refrigerant flow cycle in the Chevrolet Captiva Sport. The assembly features P-nut fittings on both the discharge and suction ends, ensuring secure connections to the manifold block style system. Included with the hose are multiple O-rings—two slimline washers (24404), one green O-ring (24606), and two additional slimline washers (24402)—to maintain a tight seal and prevent leaks. The assembly also comes with necessary gaskets and fittings, though it does not include a bracket or muffler. A switch service port is integrated for service convenience, but the switch itself is not included.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant hoses in Chevrolet Captiva Sport
• Resolving refrigerant leaks caused by deteriorated seals or fittings
• Restoring proper refrigerant flow and system pressure balance
• Addressing issues related to faulty discharge or suction line connections
• Upgrading OEM hoses with a direct replacement part for reliable performance

Installation Notes and Tips

• Ensure compatibility with Chevrolet Captiva Sport before installation
• Inspect all included O-rings and gaskets for proper placement to avoid leaks
• Use appropriate tools to tighten P-nut fittings without over-torquing
• Verify system pressure ratings and refrigerant type (R134-a) match vehicle specifications
• Check for absence of bracket and muffler; secure hose assembly accordingly

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66739 is an OE replacement part designed to meet original equipment standards for fit, form, and function. It includes all necessary seals and fittings to ensure a reliable installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards to support long-term HVAC system performance in Chevrolet Captiva Sport vehicles.