Four Seasons 66738 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 66738

The Four Seasons Hose Assembly 66738 is designed for reliable HVAC performance in select Buick and Chevrolet models. This A/C refrigerant discharge and suction hose assembly is engineered to meet original equipment specifications, ensuring proper fit and function for vehicles like the Buick LaCrosse and Chevrolet Malibu.

• Constructed from durable aluminum and rubber materials
• Compatible with R134-a refrigerant systems
• Includes necessary fittings and gaskets for installation
• Equipped with muffler to reduce noise
• Designed without a service port or switch for direct replacement
• Features P-nut fittings on both discharge and suction ends
• Includes manifold block and slimline washer O-rings for sealing

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on providing complete hose and pipe solutions for automotive HVAC systems. This line emphasizes OE replacement quality and includes assemblies that combine both discharge and suction lines, simplifying installation and ensuring system integrity. The 66738 part is a representative example, offering a comprehensive assembly with included fittings and seals to maintain system performance.

Detailed Product Description

The Four Seasons 66738 hose assembly is constructed with a combination of aluminum and rubber to provide durability and flexibility required in automotive air conditioning systems. It is specifically designed for use with R134-a refrigerant, the standard for many modern vehicles. This assembly includes all necessary fittings and gaskets, including two sets of slimline washer O-rings (part numbers 24404 and 24402), ensuring a secure and leak-free connection. The discharge and suction ends both utilize P-nut fittings, facilitating straightforward installation without the need for additional adapters. The assembly also features a muffler to minimize operational noise, enhancing cabin comfort. Notably, this hose assembly does not include a service port or switch, aligning with original equipment specifications for the compatible Buick and Chevrolet models.

Compatible Vehicles and Common Applications

• Buick LaCrosse HVAC refrigerant line replacement
• Chevrolet Malibu A/C discharge and suction hose repair
• Buick Regal air conditioning system maintenance
• Chevrolet Impala refrigerant line assembly replacement
• Resolving refrigerant leaks and hose damage in compatible Buick and Chevrolet models

Installation Notes and Tips

• Ensure the system is fully evacuated of refrigerant before removal
• Verify compatibility with vehicle make and model prior to installation
• Use included O-rings and gaskets to prevent leaks
• Check fittings for proper torque to avoid damage
• Inspect the muffler and manifold block for secure attachment

Quality Assurance and Warranty

This Four Seasons hose assembly is an original equipment replacement part, designed to meet or exceed OEM standards for fit and function. It includes all necessary components for a complete installation, reducing the risk of leaks or premature failure. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship, providing confidence in the product's durability and performance.