Global Parts 4812277 A/C Refrigerant Suction Hose

Global Parts A/C Suction Hose for Audi TT

Global Parts Part Number 4812277 is an A/C refrigerant suction hose for the low-side circuit. It routes refrigerant from the compressor to the evaporator, helping maintain proper HVAC flow in the system. Fits 2000-2006 Audi TT and 2000-2006 Audi TT Quattro.

Key Features

• Low-side A/C suction hose for compressor-to-evaporator routing
• Direct fit for Audi TT and Audi TT Quattro applications
• Built for HVAC hose and pipe replacement service
• Cross-references Four Seasons 66776 for the same application
• Part number 4812277 for ordering and fitment verification

Product Details

This Global Parts A/C refrigerant suction hose is used in the low-pressure side of the air conditioning system. The manufacturer identifies suction hoses as the line between the compressor and evaporator, while discharge hoses connect the compressor to the condenser and liquid lines run from the condenser to the evaporator. For Audi TT and Audi TT Quattro models from 2000 through 2006, Part Number 4812277 supports proper refrigerant transfer in the HVAC circuit.

This part cross-references Four Seasons 66776 for the same application.

Common Replacement Reasons

• Damaged or leaking low-side A/C hose
• Loss of refrigerant pressure in the suction line
• Cracked, worn, or corroded HVAC hose assembly
• Poor A/C cooling caused by refrigerant line failure
• Service replacement for Audi TT A/C refrigerant routing

Installation Notes

Verify the vehicle year and model before installation. Inspect mating connections, seals, and surrounding HVAC components for wear or contamination before reassembly. After installation, evacuate and recharge the system according to factory service procedures and check for leaks.

Quality Assurance

Global Parts supplies HVAC replacement components for automotive service applications. Part Number 4812277 is cataloged for confirmed Audi TT and Audi TT Quattro fitment from 2000-2006.