Quick answer:
The John Deere 4520 tractor primary engine air filter part number found is RE24619. Filter dimensions found include Outer diameter: 6.84 in / 174 mm; Inner diameter: 3.48 in / 88 mm.
Primary air filterRE24619
Filter sizeOuter diameter: 6.84 in / 174 mm
Engine power120 hp
John Deere 4520 Air Filter Specs
| Primary air filter part number | RE24619 |
|---|---|
| Air filter size | Outer diameter: 6.84 in / 174 mm; Inner diameter: 3.48 in / 88 mm |
| Outer diameter | 6.84 in / 174 mm |
| Inner diameter | 3.48 in / 88 mm |
| Number of air filter elements | 1 element (primary) |
| Engine horsepower | 120 hp |
| Engine displacement | 402.8 cu in (6.6 L) |
John Deere 4520 Air Filter Charts
Air filter dimensions
Engine horsepower
Engine displacement
John Deere 4520 Air Filter FAQ
| What air filter does the John Deere 4520 use? | The primary engine air filter part number found for the John Deere 4520 is RE24619. |
|---|---|
| What size is the John Deere 4520 air filter? | The air filter dimensions found for the John Deere 4520 are Outer diameter: 6.84 in / 174 mm; Inner diameter: 3.48 in / 88 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 4520? | This page confirms 1 element (primary). No separate safety or pre-filter part number was found for this model, so inspect the actual air-cleaner housing before assuming it uses only one piece. |
| Why include engine specs on a John Deere 4520 air filter page? | Engine specs found for the John Deere 4520 include 120 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 RE24619. |
| Should I order the John Deere 4520 air filter by size or part number? | For the John Deere 4520, use RE24619 as the main buying number and use the dimensions value of Outer diameter: 6.84 in / 174 mm; Inner diameter: 3.48 in / 88 mm only as a secondary fit check. |
| What should I confirm before buying a John Deere 4520 air filter? | For the John Deere 4520, confirm RE24619 against John Deere parts information and use the listed dimensions of Outer diameter: 6.84 in / 174 mm; Inner diameter: 3.48 in / 88 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.





