Four Seasons 66988 A/C Suction and Liquid Line Hose Assembly

Overview of Four Seasons Hose Assembly 66988

The Four Seasons Hose Assembly 66988 is designed specifically for BMW models including the 230i, 330i, 340i, 430i, 440i, and M240i series. This A/C suction and liquid line hose assembly ensures reliable refrigerant flow and system performance for vehicles using R1234yf refrigerant.

• Constructed with durable aluminum and rubber materials
• Features a P-nut fitting on one end and a flange on the other
• Includes gasket or seal for secure connections
• Equipped with a service port and switch service port for maintenance
• Designed without a bracket and muffler
• Style: Hose assembly with integrated heat exchanger (IHX)
• Compatible with BMW 230i, 330i, 340i, 430i, 440i, and M240i models

Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on delivering reliable HVAC hose and pipe solutions tailored for specific vehicle applications. The 66988 part is part of this line, offering a complete hose assembly that integrates both suction and liquid lines with fittings and service ports included. This line is engineered to meet OEM specifications for refrigerant type R1234yf, ensuring compatibility and performance in modern BMW air conditioning systems.

Detailed Product Description

This hose assembly combines aluminum and rubber materials to provide durability and flexibility required for the A/C system's suction and liquid lines. The P-nut fitting on one end and flange on the other allow for secure and leak-resistant connections. The inclusion of a gasket or seal helps maintain system integrity, while the built-in service port and switch service port facilitate easy diagnostics and servicing. The hose assembly is designed without a bracket or muffler, focusing on a streamlined installation and function. Its integrated heat exchanger (IHX) style supports efficient refrigerant flow and temperature regulation within the HVAC system.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C suction and liquid line hoses in BMW 230i, 330i, 340i, 430i, 440i, and M240i models
• Resolving refrigerant leaks caused by cracked or deteriorated hose materials
• Improving A/C system performance by restoring proper refrigerant flow
• Facilitating maintenance with included service ports for pressure checks and recharging
• Ensuring compatibility with R1234yf refrigerant systems in specified BMW vehicles

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66988, ensure the P-nut fitting and flange connections are properly tightened to prevent leaks. Use the included gasket or seal to maintain a secure seal at connection points. The service ports allow for easy system evacuation and recharge, so verify their accessibility during installation. This hose assembly is designed without a bracket, so confirm existing mounting points on the vehicle for proper support. Always follow manufacturer guidelines for refrigerant handling and system pressure testing.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed OEM standards for HVAC components. The Hose Assembly 66988 undergoes rigorous quality control to ensure durability and performance in BMW vehicles using R1234yf refrigerant. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or Four Seasons directly for warranty terms related to this hose assembly.