HHR. 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

Lower Hose

HHR. 2.2l. 2.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Thermostat

Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature

Reservoir

HHR. 2.2L. 2.4L. 2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Thoroughly tested for reliable, leak-resistant performance Uniform wall sections and smooth coolant-flow cavities for efficient operation Coated seals with a stainless steel spring for durability

Fan Module

HHR. 2.0L. Controls fan speed 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