Global Parts 4811934 A/C Hose Assembly

Brand Global Parts 4811934
Fits Chevrolet and GMC · 4 vehicles

A/C hose assembly. Connects compressor, evaporator, and condenser lines.

Suction hose assembly. For low-side refrigerant flow in the HVAC system.

Cross-references Carlson H423, Dorman - HELP 56417 and UAC HA11378C for the same application. See all 14.

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Global Parts A/C Hose Assembly for Silverado and Sierra

Restore refrigerant flow in the HVAC system with Global Parts part number 4811934. This A/C hose assembly is built for the low-side, high-side, liquid line, or manifold hose application described by the manufacturer, depending on the vehicle setup.

Compatible with 2002 Chevrolet Silverado 2500 HD, 2002 Chevrolet Silverado 3500, 2002 GMC Sierra 2500 HD, and 2002 GMC Sierra 3500.

Key Features

  • Global Parts A/C hose assembly, part number 4811934
  • HVAC hose and pipe category replacement for air conditioning service
  • Built for compressor-to-evaporator suction, compressor-to-condenser discharge, condenser-to-evaporator liquid line, or manifold hose routing as specified by the vehicle
  • Direct fitment for 2002 Chevrolet Silverado 2500 HD and Silverado 3500
  • Direct fitment for 2002 GMC Sierra 2500 HD and Sierra 3500
  • Cross-references UAC HA11378C and Dorman - HELP 56417 for the same application

Product Details

Global Parts 4811934 is an A/C hose assembly for truck HVAC service. The manufacturer identifies this type of hose as part of the refrigerant circuit that moves suction, discharge, or liquid refrigerant between major components such as the compressor, condenser, and evaporator. For 2002 Chevrolet Silverado 2500 HD, 2002 Chevrolet Silverado 3500, 2002 GMC Sierra 2500 HD, and 2002 GMC Sierra 3500, this part number supports the specified air conditioning hose routing used in the vehicle’s system.

Common Problems This Part Can Address

  • Leaking or damaged A/C hose routing in the refrigerant circuit
  • Restricted refrigerant flow between compressor, condenser, and evaporator
  • Cracked or worn hose sections from age and heat exposure
  • Loss of cooling performance caused by hose failure
  • Service replacement for the original hose assembly on Silverado and Sierra HD trucks

Installation Notes

Verify the hose routing and connection style against the original part before installation. Confirm the vehicle is a 2002 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, or GMC Sierra 3500, and match the A/C line configuration to the existing system layout. After installation, evacuate and recharge the system according to factory service procedures.

Quality Assurance

Global Parts supplies HVAC replacement components for automotive air conditioning service. Part number 4811934 is listed with established interchange references, including UAC HA11378C and Dorman - HELP 56417, which helps confirm application matching for the same vehicle use.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2002ChevroletSilverado 2500 HD6.6LV8N/A
2002ChevroletSilverado 35006.6LV8N/A
2002GMCSierra 2500 HD6.6LV8N/A
2002GMCSierra 35006.6LV8N/A
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Carlson — H423Dorman - HELP — 56417UAC — HA11378C15-3186540863878115615318651920917319213203A4-100197AHA70-4672H-423HA11378HOS010967