Water Pump for 2005 Hummer H2
Thermostat Unit
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type

Thermostat
Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
Gasket
May be made from fiber or a rubberized composite material This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Auto trans. With engine oil cooler. Drive Ratio 3.73. Core Size-34 x 18 1/2 x1 1/8". 6.0L. Hummer H2. Code Size-34 x 18 1/2 x 1 1/8". Drive Ratio 4.10. Lightweight; the radiators have a positive heat transfer to weight ratio Corrosion-resistant aluminum designed core helps optimize the radiators long lasting service life This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Upper Hose
Hummer H2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Reservoir Cap
Helps seal and regulate cooling pressure in your vehicle's radiator surge tank
S-series. Incl.Gasket,Pulley,Thermostat & Housing. 4.8, 5.3 & 6.0L. 5.3l, 6.0l. SSR. Hummer H2. Trailblazer.
Thermostat Housing
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
Fan Blade
S-series. 4.3l. Without 19.5 inch diameter. 6 cylinder, with ac. Astro, Safari. All. 4.3L, with ac. 2003-14. Express, savana. 4.8l. 6.0L. Hummer H2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fan Clutch
All models. 5.0l, 5.7l. 5.0 & 5.7L, radiator fan, with ac. Stamped, 5.7L. Stamped, gcm. 5.0 & 5.7L, radiator fan, 5.0L, hd cooling. 6.0L. Hummer H2. Towing Package. 11 Blade Composite Fan. For A/C Belt. Helps quiet noisy cooling fans with stuck fan clutche ...
Related Parts
May be made from fiber or a rubberized composite material This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Thermostat Seal
Helps close and prevent coolant from leaking out of your vehicle's cooling system components to maintain the proper engine temperature This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors