This part is from a Simplicity 1032 Snow Blower that has a Tecumseh 10 hp engine. The model number is 1691899. The serial number is 3664. The engine model number is HMSK100-159277T with a DOM of 4270A. All part descriptions are attempts to explain the part but pay attention to the actual pictures because that is what you will get. All parts are sold AS IS FINAL SALES NO RETURNS.