Global Parts 4813071 A/C Hose Assembly

Global Parts A/C Hose Assembly for Buick

Global Parts Part Number 4813071 is an A/C hose assembly for the HVAC refrigerant circuit. It serves the low-side, high-side, liquid line, or manifold hose function depending on the vehicle application and routing. Compatible With 2010 Buick LaCrosse and 2011 Buick Regal, this part supports proper refrigerant flow in the air conditioning system.

Key Features

• Part number 4813071 for HVAC hose replacement
• Fits 2010 Buick LaCrosse and 2011 Buick Regal
• Used in A/C suction, discharge, liquid line, or manifold hose applications as specified by the vehicle
• Direct replacement format for service and repair work
• Cross-references Four Seasons 66630 for the same application

Product Details

This Global Parts A/C hose assembly is built for the refrigerant plumbing between major HVAC components. In the air conditioning system, suction hoses connect the compressor to the evaporator on the low side, discharge hoses route refrigerant from the compressor to the condenser on the high side, and liquid lines carry refrigerant from the condenser to the evaporator. For Buick LaCrosse and Buick Regal service, Part Number 4813071 provides the hose assembly needed to restore the correct refrigerant path.

This part cross-references Four Seasons 66630 for the same application.

Common Problems This Part Can Address

• Refrigerant hose leaks at the A/C line assembly
• Loss of cooling performance from damaged hose routing
• Cracked, worn, or contaminated HVAC hose sections
• Improper refrigerant transfer between compressor, condenser, and evaporator
• Service replacement for a failed A/C hose assembly on Buick LaCrosse or Buick Regal

Installation Notes and Tips

Verify the hose routing, port locations, and connection style against the original part before installation. Replace any damaged seals or O-rings during service, evacuate the system, and recharge the refrigerant to the vehicle specification after repairs. Confirm fitment by year, make, and model before ordering Part Number 4813071.

Quality Assurance

Global Parts supplies HVAC replacement components for vehicle-specific applications. This part is listed with interchange references including UAC HA111971C and Four Seasons 66630 for application matching.