Quick answer:
The John Deere 6120E tractor primary engine air filter part number found is RE46310. Filter dimensions found include Outer diameter: 9 in / 230 mm; Inner diameter: 5.8 in / 147 mm.
Primary air filterRE46310
Filter sizeOuter diameter: 9 in / 230 mm
Engine power120 hp
John Deere 6120E Air Filter Specs
| Primary air filter part number | RE46310 |
|---|---|
| Secondary / safety air filter | AN403919 |
| Pre-filter | M96846 |
| 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) |
| Engine horsepower | 120 hp |
| Engine displacement | 274.6 cu in (4.5 L) |
John Deere 6120E Air Filter Charts
Air filter dimensions
Engine horsepower
Engine displacement
John Deere 6120E Air Filter FAQ
| What air filter does the John Deere 6120E use? | The primary engine air filter part number found for the John Deere 6120E is RE46310. |
|---|---|
| What size is the John Deere 6120E air filter? | The air filter dimensions found for the John Deere 6120E 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 6120E? | 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 6120E air filter page? | For the John Deere 6120E, the engine specs found are 120 hp, 274.6 cu in (4.5 L). This is useful context when comparing similar models, but not a substitute for checking the filter number RE46310. |
| Should I order the John Deere 6120E air filter by size or part number? | For the John Deere 6120E, use RE46310 as the main buying number and use the dimensions value of Outer diameter: 9 in / 230 mm; Inner diameter: 5.8 in / 147 mm only as a secondary fit check. |
| What should I confirm before buying a John Deere 6120E air filter? | For the John Deere 6120E, confirm RE46310 against John Deere parts information and use the listed dimensions of Outer diameter: 9 in / 230 mm; Inner diameter: 5.8 in / 147 mm as a physical check. |
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.

