Description
When you’re filling up before a long day of work, the last thing you want is a fuel cap that won’t seal right. A bad cap means dust and water get into your fuel tank while diesel fumes drift into the cab—that’s trouble you don’t need. This replacement fuel cap fits John Deere 40 and 50 series tractors and gives you the tight seal and secure fit your tractor needs to keep running strong.
What You’re Getting
- Precision threads that seal tight every time and won’t strip out
- Built to handle farm conditions—heat, cold, UV rays, and diesel spills
- Integrated gasket keeps fuel in and contaminants out
- Direct replacement that fits just like the original
- Easy-grip design makes it simple to tighten down properly
Built for Real Farm Work
This cap works on John Deere’s versatile 40 and 50 series tractors, from the smaller utility models up to the 85-horsepower workhorses. These are the tractors you see handling everything from hay work and cultivation to loader duties and general farm chores. Whether you’re running a 1350 on a small operation or pushing a 3650 through heavy field work, this cap keeps your fuel system protected.
Made to Last
Farm equipment caps take a beating from weather, chemicals, and the occasional bump from equipment or tree branches. This one’s built with corrosion-resistant materials and a reliable gasket that stays flexible through temperature swings and keeps sealing properly season after season.
Installation Notes
It’s a simple swap—unscrew the old cap and thread on the new one until it seats properly. Make sure the gasket is in place before you tighten it down. If your old cap has been on there a while and won’t budge, a little penetrating oil on the threads helps get it loose.




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