US Motor Works MCK1055-T Engine Water Pump with Fan Clutch

Engine Water Pump with Fan Clutch for GM Cooling Repair

US Motor Works MCK1055-T is a matched engine water pump with fan clutch assembly for GM vans and trucks with A/C. It is built for direct replacement service on applications such as Chevrolet Express, GMC Savana, Silverado, Sierra, Yukon, and Hummer H2 models listed below.

This matched cooling set helps restore proper coolant circulation and airflow control in one repair. The water pump and fan clutch are engineered and tested to meet or exceed original equipment specifications, with precision-machined components for consistent engine cooling and long-term durability.

• Engine water pump with fan clutch for cooling system service
• Designed and tested to meet or exceed original equipment specifications
• Precision-machined components for reliable fit and operation
• Includes mounting hardware, gaskets and accessories as required
• Fits a wide range of Chevrolet, GMC, and Hummer applications with A/C

Fitment Details

• Fits 2020 Chevrolet Express 2500, A/C
• Fits 2015-2018 Chevrolet Express 2500, A/C
• Fits 2015-2019 Chevrolet Express 3500, A/C
• Fits 2017-2019 GMC Savana 2500, A/C
• Fits 2015 GMC Savana 2500, A/C
• Fits 2017-2019 GMC Savana 3500, A/C
• Fits 2016 GMC Savana 2500, Exc. Cutaway Chassis (A/C)
• Fits 2015-2016 GMC Savana 3500, With A/C
• Fits 2014 Chevrolet Express 1500, A/C
• Fits 2007-2014 Chevrolet Express 2500, For A/C Belt
• Fits 2007-2014 Chevrolet Express 3500, For A/C Belt
• Fits 2007-2014 GMC Savana 1500, For A/C Belt
• Fits 2007-2014 GMC Savana 2500, For A/C Belt
• Fits 2007-2014 GMC Savana 3500, For A/C Belt
• Fits 2007-2013 Chevrolet Express 1500, For A/C Belt
• Fits 2007-2013 Chevrolet Suburban 2500, Set includes thermostat and housing
• Fits 2007-2013 GMC Yukon XL 2500, Set includes thermostat and housing
• Fits 2007-2010 Chevrolet Silverado 2500 HD, Set includes thermostat and housing
• Fits 2007-2010 Chevrolet Silverado 3500 HD, Set includes thermostat and housing
• Fits 2007-2010 GMC Sierra 2500 HD, Set includes thermostat and housing
• Fits 2007-2010 GMC Sierra 3500 HD, Set includes thermostat and housing
• Fits 2008-2010 GMC Yukon, Set includes thermostat and housing
• Fits 2007 Chevrolet Silverado 1500 Classic, Set includes thermostat and housing
• Fits 2007 Chevrolet Silverado 1500 HD Classic, Set includes thermostat and housing
• Fits 2007 Chevrolet Silverado 2500 HD Classic, Set includes thermostat and housing
• Fits 2007 Chevrolet Silverado 3500 Classic, Set includes thermostat and housing
• Fits 2007 Chevrolet Suburban 1500, Set includes thermostat and housing
• Fits 2007 GMC Sierra 1500 Classic, Set includes thermostat and housing
• Fits 2007 GMC Sierra 1500 HD Classic, Set includes thermostat and housing
• Fits 2007 GMC Sierra 2500 HD Classic, Set includes thermostat and housing
• Fits 2007 GMC Sierra 3500 Classic, Set includes thermostat and housing
• Fits 2007 Hummer H2, Set includes thermostat and housing

Common Cooling System Problems

• Overheating caused by a worn water pump or weak fan clutch
• Reduced coolant circulation in high-load driving or towing conditions
• Fan clutch engagement issues that affect airflow through the radiator
• Cooling system noise or vibration from worn rotating components
• Repeat repairs when only one connected cooling component is replaced

Installation Notes and Tips

Replace the water pump and fan clutch together when servicing the cooling system to avoid repeat labor. Verify belt routing, pulley condition, gasket surfaces, and coolant condition before installation. This part number, MCK1055-T, is intended for the listed GM applications with A/C, including Chevrolet Express 2500, GMC Savana 3500, and related Silverado, Sierra, Yukon, and Hummer H2 fitments.

Quality Assurance

US Motor Works designs and tests this assembly to meet or exceed original equipment specifications. The matched water pump and fan clutch configuration is built to support proper engine cooling and dependable operation in the listed applications. Part number MCK1055-T is a direct replacement solution for cooling system repair on compatible GM vehicles.