GM Genuine Parts HVAC Heater Cores are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These HVAC heater cores are small radiators, located in the plenum behind the dashboard. Engine coolant flows through the heater core in order to heat the air in the passenger compartment. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ <bold>WARNING:</bold> Cancer and Reproductive Harm - <Underline>https://www.P65Warnings.ca.gov</Underline> Long-life alloys provide corrosion resistance High-strength brazed joints ensure durability Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE) GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle 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 GM regularly updates production and service part designs to integrate new materials and technologies Package Dimensions: 12.75 x 4.25 x 4.25 inches Package Weight: 1.26 lb Package Quantity: 1 Adjustable Pipe Positioning: Yes Gasket Included: Yes Height: 11.62 IN Inlet Pipe Diameter: 0.625 IN Inlet Pipe Diameter: 15.87 MM Length: 7.06 IN Length: 179.3 MM Meets or Exceeds Original Equipment Manufacture Specifications: Yes Outlet Pipe Diameter: 0.625 IN Outlet Pipe Diameter: 15.87 MM Programming Required: No Thickness: 1 IN Thickness: 25.4 MM Tube Material: Aluminum Universal Or Specific Fit: Specific Weight: 1.26 LB Width: 6.75 IN Width: 171.4 MM Country of Origin: US