Four Seasons 55840 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55840

The Four Seasons Hose Assembly 55840 is designed specifically for BMW models including the 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, and 330xi. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.

• Constructed from durable aluminum and rubber materials
• Equipped with P-nut fitting on both suction ends for secure connections
• Includes capture o-ring seals for leak prevention
• Compatible with R134-a refrigerant systems
• Features a 13 mm R134-a quick disconnect service port
• Includes necessary gaskets, seals, and fittings for installation
• OE replacement part designed for direct fit
• Does not include a bracket, muffler, or switch

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for automotive HVAC systems. These assemblies are engineered to meet original equipment specifications, ensuring proper fit and function. The Hose Assembly line includes components like suction lines that handle low-pressure refrigerant flow, designed to maintain system integrity and performance in vehicles such as BMW 3 Series models.

Detailed Product Description

This A/C refrigerant suction hose assembly (part number 55840) is constructed with a combination of aluminum and rubber to provide durability and flexibility under varying temperature and pressure conditions. Both ends feature P-nut fittings, ensuring a secure and leak-resistant connection to the HVAC system. The included capture o-rings (black [24150] and green round [24635]) provide additional sealing to prevent refrigerant leaks. The hose is designed for use with R134-a refrigerant and includes a 13 mm quick disconnect service port on the low-pressure side, facilitating maintenance and service without system depressurization. This assembly does not include a bracket, muffler, or switch, focusing solely on the suction line function.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses in BMW 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, and 330xi models
• Resolving refrigerant leaks caused by cracked or degraded hose materials
• Restoring proper low-pressure refrigerant flow for efficient air conditioning operation
• Eliminating issues related to faulty or missing seals and fittings
• Facilitating service port access for refrigerant system maintenance

Installation Notes and Tips

• Ensure vehicle compatibility with BMW 3 Series models listed before installation
• Inspect and replace o-rings as needed to maintain a proper seal
• Use appropriate tools to tighten P-nut fittings without over-torquing
• Verify the service port is accessible and properly connected for refrigerant charging
• Check for any signs of wear or damage on adjacent HVAC components during installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55840 is an OE replacement part manufactured to meet or exceed original equipment standards. It includes all necessary gaskets and fittings to ensure a proper installation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Always consult product documentation or manufacturer resources for exact warranty terms.