Four Seasons 66331 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66331

The Four Seasons Hose Assembly 66331 is designed specifically for the BMW X5 HVAC system. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow, maintaining optimal air conditioning performance in your vehicle.

• Constructed from durable aluminum and rubber materials
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134a refrigerant systems
• Includes necessary gaskets and fittings for installation
• OE replacement part designed for BMW X5 models

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering precise HVAC hose and pipe solutions tailored to specific vehicle applications. This line emphasizes quality materials and exact fitment, ensuring components like the 66331 suction hose integrate seamlessly with the BMW X5’s air conditioning system.

Detailed Product Description

The Four Seasons 66331 A/C refrigerant suction hose is engineered with a combination of aluminum and rubber to provide durability and flexibility under low-pressure conditions. Both ends feature P-nut fittings, facilitating a secure and leak-resistant connection within the HVAC system. This hose is designed for use with R134a refrigerant and includes black and green O-rings ([24150] and [24635]) to ensure a proper seal. The assembly comes without a bracket, muffler, or service port, focusing solely on the suction line function. As an OE replacement, it meets the specifications required for the BMW X5’s air conditioning system.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in BMW X5 vehicles
• Resolving low refrigerant pressure issues affecting air conditioning performance
• Eliminating refrigerant leaks caused by degraded hose materials or faulty fittings
• Restoring proper refrigerant flow to improve HVAC system efficiency
• Addressing seal failures with included O-rings to prevent system contamination

Installation Notes and Tips

• Ensure compatibility with BMW X5 models before installation
• Use included gaskets and O-rings to maintain airtight seals
• Inspect fittings for damage and confirm P-nut connections are tightened to manufacturer specifications
• Do not reuse old seals or fittings to avoid leaks
• Check the HVAC system for leaks after installation and recharge refrigerant as needed

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66331 is manufactured to meet OEM standards for fit and function, providing a reliable replacement part for BMW X5 HVAC systems. This product includes all necessary seals and fittings to ensure proper installation and performance. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality controls to support long-term durability and system integrity.