Quick answer:
The John Deere 5100GN tractor primary engine air filter part number found is ER397218. Service guidance is to replace the air filter every 500 hours.
Primary air filterER397218
Engine power100 hp
Service intervalReplace every 500 hours
John Deere 5100GN Air Filter Specs
| Primary air filter part number | ER397218 |
|---|---|
| Secondary / safety air filter | AN403919 |
| Replacement interval | Replace every 500 hours |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
| Engine horsepower | 100 hp |
| Engine displacement | 207.5 cu in (3.4 L) |
John Deere 5100GN Air Filter Charts
Engine horsepower
Engine displacement
Air filter service interval
John Deere 5100GN Air Filter FAQ
| What air filter does the John Deere 5100GN use? | The primary engine air filter part number found for the John Deere 5100GN is ER397218. |
|---|---|
| How often should the John Deere 5100GN air filter be checked or replaced? | The service guidance found for the John Deere 5100GN is to replace the air filter every 500 hours. That is longer than the reference average of 100 hours for this class, so still shorten the interval when the machine is used in heavy dust. |
| How many air filter elements are listed for the John Deere 5100GN? | This page lists 3 elements (primary, secondary, pre-filter). That means the safety element should be treated separately from the outer primary air filter. |
| Why include engine specs on a John Deere 5100GN air filter page? | For the John Deere 5100GN, the engine specs found are 100 hp, 207.5 cu in (3.4 L). This is useful context when comparing similar models, but not a substitute for checking the filter number ER397218. |
| Should I order the John Deere 5100GN air filter by size or part number? | The important buying value for the John Deere 5100GN is ER397218. Use the parts manual or dealer lookup if your machine has a different engine or air-cleaner housing. |
| What should I confirm before buying a John Deere 5100GN air filter? | For the John Deere 5100GN, confirm ER397218 against the parts manual or official John Deere lookup because air-cleaner parts can change by serial range. |
Official information note
Air filter fit can change by engine, serial number, production year and air-cleaner housing. Check the operator manual, parts manual and official deere.com website before buying or fitting an air filter.





