Quick answer:
The John Deere 4044R tractor primary engine air filter part number found is RE46310. Cross-reference filters include WIX 57093; NAPA 7093; Baldwin PA3869; Donaldson P607365; more listed below. Filter dimensions found include Outer diameter: 9 in / 230 mm; Inner diameter: 5.8 in / 147 mm.
Primary air filterRE46310
Cross-referenceWIX 57093
Filter sizeOuter diameter: 9 in / 230 mm
John Deere 4044R Air Filter Specs
| Primary air filter part number | RE46310 |
|---|---|
| Secondary / safety air filter | AN403919 |
| Pre-filter | MIU11513 |
| Cross-reference filters | WIX 57093; NAPA 7093; Baldwin PA3869; Donaldson P607365; FRAM CA10180 |
| Air filter size | Outer diameter: 9 in / 230 mm; Inner diameter: 5.8 in / 147 mm |
| Outer diameter | 9 in / 230 mm |
| Inner diameter | 5.8 in / 147 mm |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
John Deere 4044R Air Filter Charts
Air filter dimensions
John Deere 4044R Air Filter FAQ
| What air filter does the John Deere 4044R use? | The primary engine air filter part number found for the John Deere 4044R is RE46310. |
|---|---|
| What air filter cross-references fit the John Deere 4044R? | Cross-reference filters found for the John Deere 4044R include WIX 57093; NAPA 7093; Baldwin PA3869; Donaldson P607365; FRAM CA10180. |
| Can I use an aftermarket air filter on the John Deere 4044R? | The John Deere 4044R has 5 cross-reference filters listed, starting with WIX 57093. For aftermarket buying, compare brand part number, dimensions, seal shape and air-cleaner housing fit. |
| What size is the John Deere 4044R air filter? | The air filter dimensions found for the John Deere 4044R are Outer diameter: 9 in / 230 mm; Inner diameter: 5.8 in / 147 mm. Use these dimensions as a fit check, but treat the part number as the main match. |
| How many air filter elements are listed for the John Deere 4044R? | 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. |
| Should I order the John Deere 4044R air filter by size or part number? | Use RE46310 as the main match for the John Deere 4044R. The cross-reference list helps find aftermarket options, while the measured dimensions helps avoid ordering a filter that does not seat correctly. |
| What should I confirm before buying a John Deere 4044R air filter? | For the John Deere 4044R, confirm RE46310, at least one listed cross-reference, and the dimensions value of Outer diameter: 9 in / 230 mm; Inner diameter: 5.8 in / 147 mm against the actual filter before ordering. |
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.

