Small Engines (Lawn Mowers, etc.): snow thrower, snow thrower, tecumseh engine

Question
MODEL NO 319-800A a part came lose and dameged the solid state module I know the part is not made anymore.is there anywere i can get a used part for mtd with a tecumseh engine the part number is 30545 or 1830545 or GW-1830545 I'm not sure what model engine OH120 OR OH140 OR OH150 OR OH160 I got this from my mechanics handbook If you can help thank you

Answer
Richard

Your best bet is to research this online using Google or any search engines.E-bay may help or find a forum that has the same type of equipment usually those people are more than willing to help you. I can not find any information on the numbers you gave me