Four Seasons 66615 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for BMW 535i Models

The Four Seasons Hose Assembly part number 66615 is designed specifically for BMW 535i, 535i GT, 535i xDrive, and 535xi models. This A/C refrigerant suction hose ensures proper low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.

• Constructed from durable aluminum and rubber materials
• Features a flange end and P-nut fitting for secure connections
• Compatible with R134a refrigerant systems
• Includes gasket, fittings, and bracket for complete installation
• Equipped with a 13 mm service port on the low-pressure side
• OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Overview

The Four Seasons Hose Assembly line focuses on delivering precise HVAC hose and pipe components engineered for reliable refrigerant flow and system integrity. Part number 66615 is part of this line, offering a complete hose assembly solution with included fittings, gaskets, and brackets to facilitate straightforward installation and maintain system pressure requirements.

Detailed Product Description

This A/C refrigerant suction hose assembly is constructed with a combination of aluminum and rubber to provide durability and flexibility under varying operating conditions. The hose features a flange on one end and a P-nut fitting on the other, designed to connect securely within the BMW 535i series HVAC system. It supports R134a refrigerant and is intended for the low-pressure side of the system, including a 13 mm service port for maintenance access. The assembly comes with two black O-rings (part number 24150) and necessary fittings, along with a mounting bracket to ensure proper positioning and vibration resistance. This hose assembly does not include a muffler or switch but is an exact OE replacement, ensuring compatibility and performance.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant suction hoses
• Restoring proper refrigerant flow in BMW 535i HVAC systems
• Resolving low-pressure side leaks causing reduced cooling efficiency
• Addressing damaged or corroded hose fittings and connections
• Upgrading to an OE-quality hose assembly for reliable system operation

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66615, ensure all O-rings are properly seated and lubricated to prevent leaks. Verify that the flange and P-nut fittings are securely tightened to manufacturer torque specifications. The included bracket should be used to mount the hose assembly firmly, reducing vibration and potential wear. Use the 13 mm service port for system evacuation and recharge procedures. This part is designed for direct replacement on BMW 535i, 535i GT, 535i xDrive, and 535xi models equipped with R134a refrigerant systems.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, manufactured to meet or exceed original equipment specifications. The product includes all necessary fittings and seals to ensure a proper, leak-free installation. While specific warranty details are not provided here, Four Seasons parts typically come with a limited warranty covering defects in material and workmanship.