Four Seasons 66340 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 66340

The Four Seasons Hose Assembly 66340 is designed specifically for HVAC systems in Buick and Chevrolet vehicles, including the Malibu and Regal models. This A/C refrigerant discharge and suction hose assembly is engineered to handle both high and low system pressures, ensuring reliable performance in your vehicle's air conditioning system.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant type
• Includes slimline washer O-rings for secure sealing
• Features P-nut fittings on both discharge and suction ends
• Equipped with a muffler and manifold block for noise reduction and system efficiency
• OE replacement part designed without a service port or bracket

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing complete hose and pipe solutions for automotive HVAC systems. This line emphasizes quality materials and precise fitment to meet original equipment specifications. The 66340 hose assembly integrates components such as O-rings, mufflers, and manifold blocks to maintain system integrity and reduce noise, making it a reliable choice for Buick Malibu and Chevrolet Regal air conditioning repairs.

Detailed Product Description

This hose assembly combines aluminum and rubber construction to withstand the demands of both high and low pressure within the A/C system. It is designed for use with R134a refrigerant, the standard for many modern vehicles. The assembly includes two sets of slimline washer O-rings (part numbers 24402 and 24404) to ensure a tight seal and prevent leaks. Both the discharge and suction ends utilize P-nut fittings for secure connections. The inclusion of a muffler and manifold block helps reduce operational noise and improve system performance. This part does not include a service port, switch, or bracket, aligning with original equipment design for a direct replacement.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant hoses in Buick Malibu and Chevrolet Regal
• Resolving low refrigerant pressure due to hose damage or seal failure
• Eliminating noise caused by faulty mufflers or manifold components
• Addressing system inefficiencies from deteriorated hose materials
• Restoring proper refrigerant flow in high and low pressure lines

Installation Notes and Tips

• Ensure compatibility with Buick Malibu and Chevrolet Regal models before installation
• Inspect O-rings and replace if damaged to maintain a proper seal
• Use appropriate tools for P-nut fittings to avoid damage during installation
• Verify system pressure ratings and refrigerant type (R134a) match vehicle specifications
• Check for proper alignment of the manifold block and muffler to prevent noise and vibration

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66340 is an OE replacement part manufactured to meet original equipment standards. It includes all necessary seals and components to ensure a secure fit and reliable operation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality controls to support long-term durability and performance in HVAC applications.