Four Seasons 66753 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 66753

The Four Seasons Hose Assembly 66753 is designed specifically for Chevrolet Sonic models, providing reliable A/C refrigerant discharge and suction hose functionality. Engineered with durable aluminum and rubber materials, this hose assembly supports both high and low system pressures for efficient HVAC performance.

• Compatible with Chevrolet Sonic vehicles
• Constructed from aluminum and rubber for durability
• Designed for R134-a refrigerant systems
• Includes gasket, fittings, and O-rings for secure connections
• 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 precise HVAC hose and pipe solutions tailored to specific vehicle applications. This line emphasizes quality materials and comprehensive component inclusion, such as gaskets and fittings, to facilitate straightforward installation and reliable system integrity. The 66753 hose assembly exemplifies this approach by combining robust construction with necessary accessories for Chevrolet Sonic A/C systems.

Technical Description and Features

This A/C refrigerant discharge and suction hose assembly is built to handle both high and low pressure within the HVAC system. The hose features P-nut fittings on both the discharge end (11.71 inches) and suction end (0.69 inches / 17.59 mm), ensuring a secure and leak-resistant connection. The assembly includes multiple slim line sealing washers (O-rings) in quantities of two for each type ([24401], [24402], and [24404]) to maintain system integrity. The manifold block is integrated, and the assembly comes without a bracket or muffler. While the switch port is included, the switch itself is not part of the package.

Common Applications and Problem Resolution

• Replacement of worn or leaking A/C refrigerant hoses in Chevrolet Sonic vehicles
• Restoring proper refrigerant flow and pressure balance in the HVAC system
• Eliminating refrigerant leaks caused by damaged or degraded hose assemblies
• Addressing issues related to faulty or missing O-rings and seals
• Upgrading to an OE replacement hose assembly for improved system reliability

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66753, ensure all included O-rings and gaskets are properly seated to prevent leaks. The P-nut fittings require careful tightening to manufacturer torque specifications to avoid damage. Since the assembly does not include a bracket or muffler, verify existing mounting points and hardware compatibility. The switch port is present but does not include the switch; install the switch separately if required for your vehicle's system.

Quality Assurance and Warranty

This hose assembly is an OE replacement part, designed to meet or exceed original equipment specifications for Chevrolet Sonic HVAC systems. Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. For specific warranty details, refer to Four Seasons documentation or contact the manufacturer directly.