Quick answer:
The John Deere 4025 tractor primary engine air filter part number found is RE46310. Cross-reference filters include WIX 49010; NAPA 49010; Baldwin PA3869; Donaldson P607365; more listed below. Filter dimensions found include Inner diameter: 5.81 in / 148 mm.
Primary air filterRE46310
Cross-referenceWIX 49010
Filter sizeInner diameter: 5.81 in / 148 mm
Engine power84.8 hp
John Deere 4025 Air Filter Specs
| Primary air filter part number | RE46310 |
|---|---|
| Secondary / safety air filter | AN403918 |
| Pre-filter | M96846 |
| Cross-reference filters | WIX 49010; NAPA 49010; Baldwin PA3869; Donaldson P607365; FRAM CA10180; Stens 102-052 |
| Air filter size | Inner diameter: 5.81 in / 148 mm |
| Inner diameter | 5.81 in / 148 mm |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
| Engine horsepower | 84.8 hp |
| Engine displacement | 402.8 cu in (6.6 L) |
John Deere 4025 Air Filter Charts
Air filter dimensions
Engine horsepower
Engine displacement
John Deere 4025 Air Filter FAQ
| What air filter does the John Deere 4025 use? | The primary engine air filter part number found for the John Deere 4025 is RE46310. |
|---|---|
| What air filter cross-references fit the John Deere 4025? | Cross-reference filters found for the John Deere 4025 include WIX 49010; NAPA 49010; Baldwin PA3869; Donaldson P607365; FRAM CA10180; Stens 102-052. |
| Can I use an aftermarket air filter on the John Deere 4025? | The John Deere 4025 has 6 cross-reference filters listed, starting with WIX 49010. For aftermarket buying, compare brand part number, dimensions, seal shape and air-cleaner housing fit. |
| What size is the John Deere 4025 air filter? | The air filter dimensions found for the John Deere 4025 are Inner diameter: 5.81 in / 148 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 4025? | 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 4025 air filter page? | Engine specs found for the John Deere 4025 include 84.8 hp, 402.8 cu in (6.6 L). Those specs help identify the tractor class, but the air filter should still be matched by part number RE46310. |
| Should I order the John Deere 4025 air filter by size or part number? | For the John Deere 4025, start with the primary part number RE46310, then use the listed cross-references and the dimensions value as secondary checks before buying. |
| What should I confirm before buying a John Deere 4025 air filter? | For the John Deere 4025, confirm RE46310, at least one listed cross-reference, and the dimensions value of Inner diameter: 5.81 in / 148 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.

