John Deere GY20074 Rotary Ignition Switch is a John Deere equipment manufacturer (OEM) part designed for 100, G100, L100, and LA100 Series lawn tractors. This 4-position switch fits a wide range of models including 102, 115, 145, 155C, 190CG, L100, L108, L111, L120, LA100, LA105, LA110, LA115, LA120, LA125, LA130, LA135, LA140, LA145, LA150, LA165, LA175, D100, D110, D120, D130, D140, D150, D160, and D170. Please note that this listing is for the switch only and does not include the key. For assistance in finding the right John Deere part or accessory, John Deere specialists are available Monday through Friday from 8:00 AM to 5:00 PM (EST) by phone or email. Hartville Hardware ensures the parts through their website are accurate and sourced from reliable systems, but compatibility may change without notice. If you are unsure about the part you need, their Customer Support Team is ready to help. Model Number: GY20074