Global Parts 4811822 A/C Hose Assembly

A/C Hose Assembly for GM SUV HVAC Service

Global Parts 4811822 is an A/C hose assembly for the HVAC system on select Chevrolet, GMC, and Isuzu SUVs. It is used in the refrigerant circuit between major A/C components, with application coverage for suction, discharge, liquid line, and manifold hose configurations as defined by the vehicle system.

Key Features

• Part number: 4811822
• Category: HVAC hoses and pipes
• Direct-fit style A/C hose assembly for select GM-platform SUVs
• Supports low-side suction, high-side discharge, liquid line, or manifold hose routing depending on application
• Cross-references Carlson 7881 and Dorman - HELP 56426 for the same application
• Also referenced by UAC HA11387C

Detailed Description

Global Parts 4811822 is built for vehicles that use a dedicated A/C hose assembly to move refrigerant through the system. In HVAC service, suction hoses carry low-side refrigerant from the compressor to the evaporator, discharge hoses route high-side refrigerant from the compressor to the condenser, and liquid lines connect the condenser to the evaporator. This part number serves those hose-and-pipe functions within the listed applications, making it a relevant replacement for GM SUV air conditioning repairs. It fits 2006 Chevrolet Trailblazer, N/A; 2003-2006 Chevrolet Trailblazer EXT, N/A; 2005-2006 GMC Envoy, N/A; 2003-2006 GMC Envoy XL, N/A; 2004-2005 GMC Envoy XUV, N/A; and 2003 Isuzu Ascender, N/A. Search terms such as 2006 Chevrolet Trailblazer A/C hose assembly, 2005 GMC Envoy HVAC hose replacement, and 2003 Isuzu Ascender refrigerant hose assembly align with this application. The part number 4811822 is also a useful reference when matching the correct hose routing for these vehicles.

Common Problems This Part Can Address

• Refrigerant leaks at a damaged hose or pipe connection
• Cracked, brittle, or corroded A/C hose routing
• Poor A/C performance caused by refrigerant loss
• Failed hose assembly at the compressor, condenser, or evaporator circuit
• Service replacement for the correct GM SUV HVAC hose configuration

Installation Notes and Tips

Verify the vehicle year, make, model, and A/C hose routing before installation. Compare the original hose shape, connection points, and system layout to confirm the correct application for your Chevrolet Trailblazer, GMC Envoy, or Isuzu Ascender. Recover refrigerant and follow proper HVAC service procedures before removing the existing line.

Quality Assurance

Global Parts supplies replacement HVAC components for automotive air conditioning service. This part is identified by Global Parts 4811822 and supported by listed interchange references for application matching.