Quick answer:
The John Deere 6M 250 tractor primary engine air filter part number found is M97266. Filter dimensions found include Height: 6.5 in / 165 mm; Outer diameter: 5.5 in / 140 mm; Inner diameter: 2.5 in / 64 mm. Service guidance is to replace the air filter every 500 hours.
Primary air filterM97266
Filter height6.5 in / 165 mm
Engine power281 hp
Service intervalReplace every 500 hours
John Deere 6M 250 Air Filter Specs
| Primary air filter part number | M97266 |
|---|---|
| Secondary / safety air filter | AN403919 |
| Pre-filter | M143275 |
| Air filter size | Height: 6.5 in / 165 mm; Outer diameter: 5.5 in / 140 mm; Inner diameter: 2.5 in / 64 mm |
| Filter height | 6.5 in / 165 mm |
| Outer diameter | 5.5 in / 140 mm |
| Inner diameter | 2.5 in / 64 mm |
| Replacement interval | Replace every 500 hours |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
| Engine horsepower | 281 hp |
John Deere 6M 250 Air Filter Charts
Air filter dimensions
Engine horsepower
Air filter service interval
John Deere 6M 250 Air Filter FAQ
| What air filter does the John Deere 6M 250 use? | The primary engine air filter part number found for the John Deere 6M 250 is M97266. |
|---|---|
| What size is the John Deere 6M 250 air filter? | The air filter dimensions found for the John Deere 6M 250 are Height: 6.5 in / 165 mm; Outer diameter: 5.5 in / 140 mm; Inner diameter: 2.5 in / 64 mm. Use these dimensions as a fit check, but treat the part number as the main match. |
| How often should the John Deere 6M 250 air filter be checked or replaced? | The service guidance found for the John Deere 6M 250 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 6M 250? | This page lists a primary filter, a safety filter and a pre-filter: 3 elements (primary, secondary, pre-filter). Replace each only with the matching part number for that position. |
| Why include engine specs on a John Deere 6M 250 air filter page? | The engine data kept for the John Deere 6M 250 is 281 hp. Use it as supporting context only; the actual filter match is still driven by the air-cleaner housing and part number M97266. |
| Should I order the John Deere 6M 250 air filter by size or part number? | Buy by M97266 first for the John Deere 6M 250. The dimensions value is useful for checking an aftermarket listing before ordering. |
| What should I confirm before buying a John Deere 6M 250 air filter? | For the John Deere 6M 250, confirm M97266 against John Deere parts information and use the listed dimensions of Height: 6.5 in / 165 mm; Outer diameter: 5.5 in / 140 mm; Inner diameter: 2.5 in / 64 mm as a physical check. |
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.

