Four Seasons 66333 A/C Refrigerant Liquid Hose

Overview of Four Seasons Hose Assembly 66333

The Four Seasons Hose Assembly 66333 is designed specifically for BMW models including the 128i, 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, 335d, 335i, 335is, and 335i xDrive. This A/C refrigerant liquid hose is engineered to handle high-pressure R134a refrigerant systems, ensuring reliable performance in your vehicle's HVAC system.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant type
• Includes gasket and green O-rings for secure sealing
• Equipped with a high-pressure service port (M10x1.000) and switch service port (3/8" - 24)
• Features male liquid line with P-nut fittings on both liquid and suction ends
• Includes orifice tube and service port for efficient refrigerant flow
• OE replacement part ensuring proper fit and function
• Does not include a mounting bracket

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing reliable hose assemblies for automotive HVAC systems. This product line emphasizes quality materials and precise fitment to maintain system integrity and performance. The 66333 hose assembly is part of this line, offering a direct OE replacement solution for BMW vehicles requiring a liquid line hose assembly without a bracket but with essential features like orifice tube and service ports.

Detailed Product Description

This A/C refrigerant liquid hose assembly is constructed with a combination of aluminum and rubber to withstand the high pressures typical of R134a refrigerant systems. The inclusion of two green O-rings (part number 24649) and a gasket ensures a tight, leak-free connection. The hose features P-nut fittings on both the liquid and suction ends, facilitating secure attachment to the vehicle's HVAC components. The service port on the high-pressure side allows for easy system servicing and pressure checks. Designed as an OE replacement, this hose assembly meets the specifications required for proper operation in compatible BMW models.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant liquid hoses
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper refrigerant flow in high-pressure A/C systems
• Ensuring secure connections with included gaskets and O-rings
• Facilitating maintenance with integrated service and switch ports

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66333, ensure all old seals and O-rings are removed and replaced with the included green O-rings to prevent leaks. The P-nut fittings require proper torque to avoid damage or leaks. Since this assembly does not include a mounting bracket, verify existing brackets are intact and secure the hose accordingly. Use the service port for pressure testing after installation to confirm system integrity.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed OEM standards. The Hose Assembly 66333 is an OE replacement part, ensuring compatibility and performance. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.