Four Seasons 66981 A/C Refrigerant Suction Hose

BMW and Mini A/C Suction Hose

Four Seasons 66981 is an A/C refrigerant suction hose assembly built for select BMW and Mini applications. It uses aluminum and rubber construction, includes the gasket or seal, and is configured for R134A and R1234YF refrigerant systems.

Compatible With BMW X2, BMW X1, Mini Cooper, Mini Cooper Countryman, and Mini Cooper Clubman applications that use a compressor-side suction hose assembly. Four Seasons hose assemblies are engineered and tested for dependable operation in mobile air conditioning systems.

Key Features

• Part number 66981 A/C refrigerant suction hose assembly
• Aluminum / rubber construction for HVAC hose routing
• Includes gasket or seal
• For R134A and R1234YF refrigerant systems
• No service port included
• No switch service port, bracket, or muffler

Product Details

This Four Seasons Hose Assembly line is focused on replacement HVAC components for mobile A/C service. Part number 66981 is a suction hose assembly used on the compressor side of the system, where refrigerant flow and sealing integrity are critical. The aluminum and rubber design supports the routing and connection requirements found in late-model BMW and Mini vehicles, including BMW X2 and X1 as well as Mini Cooper, Cooper Countryman, and Cooper Clubman applications.

This part cross-references Continental 66981 for the same application.

Common Problems This Part Can Address

• Refrigerant loss from a worn or leaking suction hose assembly
• Cracked or deteriorated hose material in the A/C circuit
• Seal leakage at the compressor-side connection
• Reduced A/C performance caused by hose damage or contamination
• Service replacement needs on BMW and Mini compressor hose routing

Installation Notes

• Verify refrigerant type before installation: R134A or R1234YF.
• Confirm vehicle-specific routing and compressor-side connection points before removal.
• Replace the included gasket or seal during installation.
• Recover refrigerant properly and evacuate the system before recharging.
• Check for leaks after installation and system recharge.

Quality Assurance

Four Seasons backs this hose assembly with more than 50 years of mobile A/C experience. The manufacturer states its products are engineered and tested to deliver years of trouble-free operation.