Description
Nothing ruins a good day in the field like the smell of diesel in the cab or finding fuel spots under your tractor. When your fuel cap starts failing—whether it’s cracked, warped, or just won’t seal tight anymore—you’re losing money through evaporation and creating safety hazards. This replacement cap is specifically designed for classic John Deere tractors and gets you back to proper sealing and venting so you can focus on the work at hand.
What You’re Getting
- Vented locking design that prevents vacuum buildup while keeping fuel secure
- Direct replacement for original John Deere caps—no modifications needed
- Tight seal that stops fuel evaporation and keeps contaminants out
- Built to handle the temperature swings and abuse of farm life
- Durable construction that won’t crack or warp like cheaper caps
Built for Classic John Deere Work
From compact 1020s perfect for orchard work to the bigger 3140s handling heavy field operations, these classic John Deere tractors earned their reputation through decades of reliable service. Whether you’re using your 2030 for general farming tasks, running a 1120 around the barn, or putting a 3120 through its paces during harvest, proper fuel system function keeps these machines running like they should.
Made to Last
This cap costs just $16.04 but can save you gallons of fuel annually through proper sealing. The materials are chosen to resist fuel damage, UV exposure, and the constant temperature cycling that kills cheaper caps. You’ll get years of reliable service instead of having to replace it every season.
Installation Notes
Installation takes about ten seconds—just thread off the old cap and install the new one until the seal seats properly. Don’t overtighten, which can damage the gasket. A pro tip: if your old cap was stuck, a little penetrating oil around the threads makes removal easier. Clean any debris from the filler neck while you’ve got it open.






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