Product details:

New Aftermarket Starter for Tecumseh Engines used on Lawn Mower and Outdoor Power Lawn and Garden Equipment. Fits Case 1816, 1816B Uni-Loaders. Fits Massey Ferguson Mf-10, Mf-12 Farm Tractors. 12 volt, counter clockwise rotation with 10 or 11 tooth drive. Replaces these part numbers: John Deere Am106422, Am31744, Am32393/Stens 435-311/Case D59581. Used on riding mowers, lawn tractors, compact tractors and more Used on various air cooled engines. Teeth 10 or 11 are Interchangable 100% brand new aftermarket unit