Four Seasons 66338 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66338

The Four Seasons Hose Assembly 66338 is designed specifically for BMW X3 and X4 models, providing a reliable A/C refrigerant discharge hose solution. Constructed with durable aluminum and rubber materials, this hose assembly is engineered to handle high-pressure R134a refrigerant systems without a service port or switch included.

• Material: Aluminum and rubber construction for durability and flexibility
• Refrigerant Type: Compatible with R134a refrigerant
• Component Type: High-pressure A/C refrigerant discharge line
• Includes gasket and fittings for secure installation
• O-Rings included: Two green O-rings (part number 24661)
• Designed without a bracket, muffler, or service port
• Suction end features a P-nut fitting for proper connection
• OE replacement part ensuring compatibility and performance

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering reliable hose assemblies for automotive HVAC systems. This line emphasizes quality materials and precise fitment to meet OEM specifications. The 66338 hose assembly is part of this line, offering a direct OE replacement for BMW X3 and X4 vehicles, ensuring proper function within the high-pressure A/C system.

Detailed Product Description

This A/C refrigerant discharge hose assembly is engineered to withstand the demands of high-pressure R134a systems found in BMW X3 and X4 models. The combination of aluminum and rubber materials provides both strength and flexibility, reducing the risk of leaks or damage under operating conditions. The included gasket and fittings simplify installation, while the two green O-rings (part number 24661) ensure a tight, leak-free seal. The hose assembly does not include a service port, switch, bracket, or muffler, reflecting its design as a direct OE replacement part.

Common Applications and Issues Addressed

• Replacement of worn or cracked A/C refrigerant discharge hoses
• Resolving refrigerant leaks in high-pressure discharge lines
• Restoring proper refrigerant flow in BMW X3 and X4 HVAC systems
• Eliminating A/C system pressure loss due to damaged hoses
• Maintaining system integrity without service port or switch complications

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66338, ensure the vehicle is compatible with R134a refrigerant systems. Use the included gasket and fittings to secure connections and replace the two green O-rings to maintain a proper seal. The P-nut fitting on the suction end requires careful tightening to avoid leaks. Since this assembly does not include a bracket or muffler, verify existing mounting points and supports are intact before installation.

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66338 is manufactured to meet or exceed OEM standards for BMW X3 and X4 vehicles. As an OE replacement part, it ensures reliable performance within the vehicle’s HVAC system. The product includes all necessary fittings and seals for installation. Warranty details should be confirmed with the original product documentation or supplier.