Four Seasons 55970 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 55970

The Four Seasons Hose Assembly 55970 is designed specifically for BMW 525i and 530i models, providing a reliable A/C refrigerant suction hose solution. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow for R134-a systems.

• Constructed from aluminum and rubber for durability and flexibility
• Features a P-nut fitting on both suction ends for secure connections
• Includes captured green round o-rings for effective sealing
• Equipped with a service port sized at 13 mm for easy maintenance
• Comes with a mounting bracket and necessary fittings included
• Compatible with low-pressure A/C refrigerant suction line applications
• OE replacement part designed to meet original equipment specifications

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering complete hose assemblies tailored for HVAC systems in vehicles. This line emphasizes quality materials and precise fitment, ensuring that components like the 55970 suction hose maintain system integrity and performance. The assemblies include all necessary fittings, gaskets, and brackets to facilitate straightforward installation and reliable operation.

Detailed Product Description

This A/C refrigerant suction hose assembly (part number 55970) is engineered for BMW 525i and 530i models using R134-a refrigerant. The hose combines aluminum and rubber materials to withstand system pressures on the low-pressure side while maintaining flexibility and resistance to wear. Both ends feature P-nut fittings, with one end including a captured green round o-ring (part number 24635) and the other a green o-ring (part number 24642), ensuring a tight, leak-free seal. The assembly includes a 13 mm service port on the low-pressure side, allowing for convenient system servicing without removing the hose. Additionally, the included bracket and fittings simplify mounting and integration into the vehicle’s HVAC system.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant suction hoses in BMW 525i and 530i
• Restoring proper refrigerant flow and pressure in the low-pressure side of the A/C system
• Eliminating refrigerant leaks caused by damaged fittings or seals
• Resolving issues related to insufficient cooling performance due to hose failure
• Facilitating maintenance with an integrated service port for refrigerant charging and diagnostics

Installation Notes and Tips

• Ensure compatibility with BMW 525i and 530i models before installation
• Inspect all included o-rings and fittings for damage prior to assembly
• Use proper torque specifications on P-nut fittings to avoid leaks
• Verify the bracket is securely mounted to prevent hose movement or vibration
• Check the service port cap is properly sealed after servicing to maintain system integrity

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55970 is an OE replacement part manufactured to meet original equipment standards for fit, form, and function. It includes all necessary seals and fittings to ensure a reliable installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality controls to support long-term durability and performance in BMW HVAC systems.