Global Parts 4812489 A/C Hose Assembly

2001 Silverado and Sierra A/C Hose Assembly

Global Parts 4812489 is an A/C hose assembly for select 2001 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 applications. It is built for HVAC hose routing on the vehicle’s air conditioning system, with fitment matched to the listed models.

Key Features

• Part number 4812489 for direct reference during ordering and service lookup
• Fits 2001 Chevrolet Silverado 2500 HD and Silverado 3500
• Fits 2001 GMC Sierra 2500 HD and Sierra 3500
• HVAC hose assembly for A/C system service and replacement
• Cross-references Four Seasons 55891 for the same application

Product Details

According to the manufacturer, A/C hose assemblies are used in different refrigerant line paths within the HVAC system, including suction, discharge, liquid, and manifold configurations. Global Parts 4812489 is listed for the 2001 Chevrolet Silverado 2500 HD, 2001 Chevrolet Silverado 3500, 2001 GMC Sierra 2500 HD, and 2001 GMC Sierra 3500, making it a targeted replacement for these heavy-duty truck platforms. Use part number 4812489 when verifying the correct hose assembly for your Silverado or Sierra repair.

Common Problems This Part Can Address

• Damaged or leaking A/C hose routing
• Loss of refrigerant pressure in the HVAC system
• Cracked or worn hose connections from age and heat
• Poor A/C performance caused by line failure
• Service replacement for the original hose assembly on 2001 Silverado and Sierra trucks

Installation Notes and Tips

Confirm the vehicle year, make, model, and HVAC line routing before installation. Match the existing hose layout to the compressor, condenser, and evaporator connections so the replacement follows the correct suction or discharge path. After installation, evacuate and recharge the system according to factory service procedures and check for leaks before returning the vehicle to service.

Quality Assurance

Global Parts supplies HVAC replacement components for service applications, and this hose assembly is cataloged for the specified 2001 Chevrolet Silverado and GMC Sierra heavy-duty models. Verify fitment with the vehicle identification and existing line configuration before purchase.