Global Parts 4811937 A/C Hose Assembly

HVAC A/C Hose Assembly for GM Applications

Global Parts 4811937 is an A/C hose assembly for the HVAC system on select Buick and Chevrolet vehicles. It is built for the suction, discharge, liquid line, or manifold hose application described by the manufacturer, depending on the vehicle setup.

Key Features

• Global Parts Part Number: 4811937
• HVAC category A/C hose assembly
• Used in compressor-to-evaporator suction line, compressor-to-condenser discharge line, or related A/C hose routing
• Direct fitment coverage for select Buick Century and Chevrolet Impala and Monte Carlo models
• Cross-references Dorman - HELP 56428 and UAC HA111315C for the same application

Detailed Description

This Global Parts 4811937 A/C hose assembly is intended for vehicles that use a low-side suction hose, high-side discharge hose, liquid line, or manifold hose configuration in the air conditioning system. Fits 2000-2005 Buick Century, N/A; Fits 2000-2003 Chevrolet Impala, N/A; and Fits 2000-2003 Chevrolet Monte Carlo, N/A. If you are searching for a 2000-2005 Buick Century A/C hose assembly or a 2000-2003 Chevrolet Impala HVAC hose replacement, this part number provides a direct reference for the listed applications. Part number 4811937 also helps narrow the correct replacement when comparing OE-style hose routing and connection style.

Common Problems This Part Can Address

• Refrigerant loss from a damaged or leaking hose assembly
• Cracked, brittle, or deteriorated A/C hose material
• Poor compressor-to-condenser or compressor-to-evaporator refrigerant flow
• Failed hose routing on a vehicle with the original HVAC line removed or damaged
• Incorrect replacement part selection during A/C system repair

Installation Notes and Tips

Verify the hose routing, port locations, and vehicle application before installation. Compare the original line layout to the replacement part number 4811937 and confirm the system uses the same suction, discharge, liquid, or manifold configuration. After installation, evacuate and recharge the A/C system according to factory service procedures and inspect all connections for leaks.

Quality Assurance

Global Parts supplies HVAC replacement components for listed vehicle applications, and this part is cataloged with direct interchange references for application matching.