Quick answer:
The John Deere 2840 tractor primary engine air filter part number found is AT204019.
Primary air filterAT204019
Engine power64.9 hp
John Deere 2840 Air Filter Specs
| Primary air filter part number | AT204019 |
|---|---|
| Secondary / safety air filter | AT75035 |
| Pre-filter | M96846 |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
| Engine horsepower | 64.9 hp |
| Engine displacement | 329.5 cu in (5.4 L) |
John Deere 2840 Air Filter Charts
Engine horsepower
Engine displacement
John Deere 2840 Air Filter FAQ
| What air filter does the John Deere 2840 use? | The primary engine air filter part number found for the John Deere 2840 is AT204019. |
|---|---|
| How many air filter elements are listed for the John Deere 2840? | 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 2840 air filter page? | For the John Deere 2840, the engine specs found are 64.9 hp, 329.5 cu in (5.4 L). This is useful context when comparing similar models, but not a substitute for checking the filter number AT204019. |
| Should I order the John Deere 2840 air filter by size or part number? | The important buying value for the John Deere 2840 is AT204019. 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 2840 air filter? | For the John Deere 2840, confirm AT204019 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.







