Quick answer:
The John Deere 2450 tractor primary engine air filter part number found is AT179371. Filter dimensions found include Outer diameter: 12.08 in / 307 mm; Inner diameter: 0.9 in / 23 mm.
Primary air filterAT179371
Filter sizeOuter diameter: 12.08 in / 307 mm
Engine power70 hp
John Deere 2450 Air Filter Specs
| Primary air filter part number | AT179371 |
|---|---|
| Secondary / safety air filter | AH212295 |
| Pre-filter | M88571 |
| Air filter size | Outer diameter: 12.08 in / 307 mm; Inner diameter: 0.9 in / 23 mm |
| Outer diameter | 12.08 in / 307 mm |
| Inner diameter | 0.9 in / 23 mm |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
| Engine horsepower | 70 hp |
| Engine displacement | 238 cu in (3.9 L) |
John Deere 2450 Air Filter Charts
Air filter dimensions
Engine horsepower
Engine displacement
John Deere 2450 Air Filter FAQ
| What air filter does the John Deere 2450 use? | The primary engine air filter part number found for the John Deere 2450 is AT179371. |
|---|---|
| What size is the John Deere 2450 air filter? | The air filter dimensions found for the John Deere 2450 are Outer diameter: 12.08 in / 307 mm; Inner diameter: 0.9 in / 23 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 2450? | 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 2450 air filter page? | The engine data kept for the John Deere 2450 is 70 hp, 238 cu in (3.9 L). Use it as supporting context only; the actual filter match is still driven by the air-cleaner housing and part number AT179371. |
| Should I order the John Deere 2450 air filter by size or part number? | For the John Deere 2450, use AT179371 as the main buying number and use the dimensions value of Outer diameter: 12.08 in / 307 mm; Inner diameter: 0.9 in / 23 mm only as a secondary fit check. |
| What should I confirm before buying a John Deere 2450 air filter? | For the John Deere 2450, confirm AT179371 against John Deere parts information and use the listed dimensions of Outer diameter: 12.08 in / 307 mm; Inner diameter: 0.9 in / 23 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.

