The John Deere 4005 tractor primary engine air filter part number found is AT411949. Filter dimensions found include Inner diameter: 7.44 in / 189 mm.
Primary air filterAT411949
Filter sizeInner diameter: 7.44 in / 189 mm
Engine power37 hp
John Deere 4005 Air Filter Specs
Primary air filter part number
AT411949
Secondary / safety air filter
AN403919
Pre-filter
M96846
Air filter size
Inner diameter: 7.44 in / 189 mm
Inner diameter
7.44 in / 189 mm
Number of air filter elements
3 elements (primary, secondary, pre-filter)
Engine horsepower
37 hp
Engine displacement
134.3 cu in (2.2 L)
John Deere 4005 Air Filter Charts
Air filter dimensions
Inner diameter
7.44 in
Engine horsepower
This model
37 hp
Average
35 hp
Low
18 hp
High
66 hp
Engine displacement
This model
134.3 cu in
Average
100 cu in
Low
50 cu in
High
180 cu in
John Deere 4005 Air Filter FAQ
What air filter does the John Deere 4005 use?
The primary engine air filter part number found for the John Deere 4005 is AT411949.
What size is the John Deere 4005 air filter?
The air filter dimensions found for the John Deere 4005 are Inner diameter: 7.44 in / 189 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 4005?
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 4005 air filter page?
The engine data kept for the John Deere 4005 is 37 hp, 134.3 cu in (2.2 L). Use it as supporting context only; the actual filter match is still driven by the air-cleaner housing and part number AT411949.
Should I order the John Deere 4005 air filter by size or part number?
The part number AT411949 matters more than size alone on the John Deere 4005. The listed dimensions helps confirm the filter looks physically consistent.
What should I confirm before buying a John Deere 4005 air filter?
For the John Deere 4005, confirm AT411949 against John Deere parts information and use the listed dimensions of Inner diameter: 7.44 in / 189 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.
