Four Seasons 55379 A/C Refrigerant Discharge Hose

Reliable A/C Refrigerant Discharge Hose for BMW 745i and 745Li

The Four Seasons Hose Assembly part number 55379 is designed specifically for BMW 745i and 745Li models. This A/C refrigerant discharge hose ensures proper refrigerant flow and system efficiency for vehicles using R134a refrigerant.

• Compatible with BMW 745i and 745Li models
• OEM replacement discharge line for A/C systems
• Includes gasket and fittings for secure installation
• Equipped with green O-rings (part number 24661), quantity of two
• Service port included without switch or bracket
• Features a P-nut fitting on the suction end

Four Seasons Hose Assembly Product Line Overview

The Four Seasons Hose Assembly product line focuses on delivering precise hose assemblies for automotive HVAC systems. This line includes components engineered to meet original equipment specifications, ensuring compatibility and reliable performance. The 55379 discharge hose assembly is part of this line, providing a direct replacement solution for BMW A/C systems without additional brackets or mufflers.

Detailed Product Description

This A/C refrigerant discharge hose is designed for vehicles using R134a refrigerant and serves as the discharge line component within the HVAC system. The assembly includes all necessary fittings and two green O-rings (part number 24661) to ensure a tight seal and prevent leaks. It comes with a service port but does not include a switch or bracket, simplifying installation while maintaining system integrity. The suction end features a P-nut fitting for secure connection to the compressor or condenser.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge hoses
• Resolving refrigerant leaks caused by faulty seals or fittings
• Restoring proper refrigerant flow in BMW 745i and 745Li A/C systems
• Eliminating system inefficiencies due to compromised discharge lines
• Maintaining system pressure and preventing contamination

Installation Notes and Tips

When installing the Four Seasons 55379 hose assembly, ensure all fittings and O-rings are properly seated to prevent leaks. The included gasket and fittings facilitate a secure connection, but verify compatibility with your vehicle’s existing components. Since this assembly does not include a bracket or muffler, confirm that your vehicle’s mounting points are intact and secure. Use appropriate tools to tighten the P-nut fitting on the suction end without over-torquing.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed OEM standards, providing reliable performance for automotive HVAC systems. The 55379 hose assembly is an exact OE replacement designed for durability and proper fitment. While specific warranty details may vary, Four Seasons typically offers coverage against defects in materials and workmanship to ensure customer confidence in their purchase.