Hey there John Deere owners! If your 100 series tractor's steering feels loose or wonky, these replacement pinion gears are probably exactly what you need. This 3-pack gives you the exact replacement for part number GX20053, with each gear measuring 1 3/8 inches in diameter and 1 inch tall. The 30 HRC metal hardness means they're built to handle the daily wear and tear of mowing and yard work. Super handy to have extras on hand for future repairs too. Now, fair warning - replacing these isn't exactly a 5-minute job. You'll want to grab some tools before you start: 3/4 inch socket (½ inch drive works best), breaker bar, gear puller, some PB Blaster or WD-40 to loosen things up, jack stands for safety, a metal file for cleaning up any rough edges, and yeah, probably a good hammer too. The gears come exactly as shown in the photos - no fancy packaging but they're the real deal. Perfect for DIY mechanics who don't want to pay dealership prices for simple repairs. Whether you're dealing with worn teeth or just want to have spares on hand, these gears will get your John Deere steering smooth and precise again.