Global Parts 4813079 A/C Refrigerant Suction Hose

A/C Suction Hose for Buick and Cadillac

Global Parts 4813079 is an A/C refrigerant suction hose for the low-side circuit between the compressor and evaporator. It is a direct-fit HVAC hose application for select Buick Lucerne and Cadillac DTS models from 2006-2011.

• Part number: 4813079
• Type: A/C refrigerant suction hose
• Low-side hose routing from compressor to evaporator
• Compatible with 2006-2011 Buick Lucerne
• Compatible with 2006-2011 Cadillac DTS
• Cross-reference: Bosch 66056

Application Details

Suction hoses carry refrigerant vapor on the low side of the air conditioning system after it leaves the evaporator and returns to the compressor. Global Parts 4813079 is built for the Buick Lucerne and Cadillac DTS applications listed above, making it a focused replacement for vehicles needing the correct low-side hose routing. This part number 4813079 also cross-references UAC HA111229C for the same application.

Common Problems This Part Addresses

• Low-side refrigerant leakage at the hose assembly
• Loss of A/C cooling performance from damaged hose routing
• Cracked, worn, or deteriorated suction hose material
• Service replacement for a failed compressor-to-evaporator hose

Installation Notes

Verify the vehicle’s A/C line routing and connection points before installation. Recover refrigerant properly, inspect mating seals and system components, and confirm the hose matches the original low-side configuration for the listed Buick Lucerne and Cadillac DTS applications. Part number 4813079 should be matched to the vehicle by year, make, and model before service.

Quality Assurance

Global Parts identifies this component as an HVAC suction hose designed for the low-side compressor-to-evaporator path. The manufacturer description confirms the hose function within the air conditioning system and supports application-specific replacement selection.