Quick answer:
The John Deere S110 mower primary engine air filter part number found is AT20728. Cross-reference filters include WIX 49010; NAPA 49010; Baldwin PA1667; Donaldson P181052.
Primary air filterAT20728
Cross-referenceWIX 49010
John Deere S110 Air Filter Specs
| Primary air filter part number | AT20728 |
|---|---|
| Pre-filter | M96846 |
| Cross-reference filters | WIX 49010; NAPA 49010; Baldwin PA1667; Donaldson P181052 |
| Number of air filter elements | 2 elements (primary, pre-filter) |
John Deere S110 Air Filter FAQ
| What air filter does the John Deere S110 use? | The primary engine air filter part number found for the John Deere S110 is AT20728. |
|---|---|
| What air filter cross-references fit the John Deere S110? | Cross-reference filters found for the John Deere S110 include WIX 49010; NAPA 49010; Baldwin PA1667; Donaldson P181052. |
| Can I use an aftermarket air filter on the John Deere S110? | The John Deere S110 has 4 cross-reference filters listed, starting with WIX 49010. Use them as aftermarket leads, not as a replacement for checking the original part number AT20728. |
| How many air filter elements are listed for the John Deere S110? | This page lists 2 elements (primary, pre-filter). The pre-filter is separate from the main paper element and should not be confused with the primary filter number. |
| Should I order the John Deere S110 air filter by size or part number? | For the John Deere S110, use AT20728 as the main part number and treat the cross-reference list as aftermarket buying leads. |
| What should I confirm before buying a John Deere S110 air filter? | For the John Deere S110, confirm AT20728 against the parts manual, then use the cross-reference list only after the OEM number matches. |
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.







