Quick answer:
The John Deere Z994R mower primary engine air filter part number found is AF1917M.
Primary air filterAF1917M
Engine power25.5 hp
John Deere Z994R Air Filter Specs
| Primary air filter part number | AF1917M |
|---|---|
| Secondary / safety air filter | AT314583 |
| Pre-filter | M148207 |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
| Engine horsepower | 25.5 hp |
| Engine displacement | 12.2 cu in (0.2 L) |
John Deere Z994R Air Filter Charts
Engine horsepower
Engine displacement
John Deere Z994R Air Filter FAQ
| What air filter does the John Deere Z994R use? | The primary engine air filter part number found for the John Deere Z994R is AF1917M. |
|---|---|
| How many air filter elements are listed for the John Deere Z994R? | 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 Z994R air filter page? | For the John Deere Z994R, the engine specs found are 25.5 hp, 12.2 cu in (0.2 L). This is useful context when comparing similar models, but not a substitute for checking the filter number AF1917M. |
| Should I order the John Deere Z994R air filter by size or part number? | For the John Deere Z994R, use AF1917M as the main buying number. Model names can share similar parts, so confirm the serial range or engine before ordering. |
| What should I confirm before buying a John Deere Z994R air filter? | For the John Deere Z994R, confirm AF1917M 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.







