What size frost plug for 1994 Pontiac sunbird 4 cylinder 2 liter plus behind the manifold on the front of the engine?

For a 1994 Pontiac Sunbird with a 2.0-liter 4-cylinder engine, the frost plug (also known as a freeze plug) typically has a diameter of 1.75 inches. However, it's always best to verify the size by checking the specific service manual or consulting with a parts dealer to ensure accuracy, as variations can occur.