Description
There’s nothing more frustrating than trying to start your tractor with pliers because the ignition knob broke off or went missing. Every farmer knows that feeling—you’re already running late, it’s cold outside, and now you’re fumbling around the dash trying to get a grip on a bare switch shaft. This replacement knob puts an end to all that hassle and gets you back to normal starting procedures in seconds.
What You’re Getting
- Direct replacement that fits perfectly on ignition switch shafts
- Tough construction that won’t crack in cold weather or get slippery when wet
- Proper grip design works even with thick gloves or cold hands
- Secure fit that won’t fall off during operation or maintenance
- Simple push-on installation takes just seconds
Built for Real Farm Work
This knob works with the ignition switches used across John Deere’s 20 through 50 series tractors—everything from the compact utility models to the big row-crop machines. Whether you’re starting up a 1020 for morning chores, firing up a 2940 for field work, or getting a 4450 ready for harvest, this knob gives you the leverage and control you need for reliable ignition operation in all conditions.
Made to Last
This isn’t some generic knob that sort of fits—it’s designed specifically for John Deere ignition switches. The material resists temperature extremes and chemical exposure while maintaining its grip texture. Unlike makeshift solutions that slip or fall off, this knob locks securely onto the switch shaft and stays put through years of daily use and vibration.
Good to Know
Installation couldn’t be simpler—just push the knob firmly onto your ignition switch shaft until it seats completely. If there’s any residue on the shaft from an old knob, clean it off first for the best grip. Keep a spare in your toolbox since these knobs sometimes disappear during maintenance work or get damaged in tight spaces around the dash.



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