Four Seasons 66051 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 66051

The Four Seasons Hose Assembly 66051 is designed for reliable HVAC performance in select Buick, Chevrolet, and GMC vehicles. This A/C refrigerant discharge and suction hose assembly is engineered to meet OEM specifications, ensuring proper fit and function for models like the Buick Enclave, Chevrolet Traverse, and GMC Acadia.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes gaskets and O-rings for secure sealing
• Features a P-nut fitting discharge end and flange suction end
• Equipped with a muffler and manifold block for noise reduction and system efficiency
• Includes a switch service port but does not include the switch itself
• Designed as an OEM replacement part

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing high-quality hose and pipe assemblies for automotive HVAC systems. This line emphasizes precise fitment and durable construction, using materials like aluminum and rubber to withstand refrigerant pressures and temperature variations. The 66051 hose assembly is part of this line, offering a combination of discharge and suction line functions with included seals and mufflers to maintain system integrity and reduce noise.

Detailed Product Description

This A/C refrigerant discharge and suction hose assembly (part number 66051) is specifically designed for use with R134a refrigerant in Buick, Chevrolet, and GMC vehicles, including the Acadia, Acadia Limited, Enclave, and Traverse models. The assembly features a 0.461-inch (11.7 mm) P-nut fitting at the discharge end and a 0.693-inch (17.6 mm) flange suction end, both designed for secure connections. The included gaskets and O-rings ensure leak-free operation, while the integrated muffler and manifold block help reduce system noise and improve overall HVAC performance. The hose assembly comes with a switch service port but does not include the switch itself, and it is supplied without a mounting bracket.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge and suction hoses
• Restoring proper refrigerant flow in HVAC systems using R134a
• Eliminating noise caused by damaged or missing mufflers in the hose assembly
• Fixing leaks due to degraded gaskets or O-rings
• Ensuring compatibility with OEM specifications for Buick, Chevrolet, and GMC SUVs

Installation Notes and Tips

• Verify vehicle compatibility with Buick Acadia, Acadia Limited, Chevrolet Traverse, or GMC Enclave before installation
• Inspect and replace all gaskets and O-rings included with the assembly to prevent leaks
• Ensure proper torque on P-nut fittings and flange connections to maintain system integrity
• Note that the switch is not included; if required, source separately
• Handle aluminum and rubber components carefully to avoid damage during installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66051 is manufactured to meet or exceed OEM standards for durability and performance. It includes all necessary seals and components for a complete replacement. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.