The John Deere L tractor primary engine air filter part number found is AT20728.
Primary air filterAT20728
Engine power10 hp
John Deere L Air Filter Specs
Primary air filter part number
AT20728
Secondary / safety air filter
AH212295
Pre-filter
AM116304
Number of air filter elements
3 elements (primary, secondary, pre-filter)
Engine horsepower
10 hp
Engine displacement
67.1 cu in (1.1 L)
John Deere L Air Filter Charts
Engine horsepower
This model
10 hp
Average
35 hp
Low
18 hp
High
66 hp
Engine displacement
This model
67.1 cu in
Average
100 cu in
Low
50 cu in
High
180 cu in
John Deere L Air Filter FAQ
What air filter does the John Deere L use?
The primary engine air filter part number found for the John Deere L is AT20728.
How many air filter elements are listed for the John Deere L?
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 L air filter page?
The engine data kept for the John Deere L is 10 hp, 67.1 cu in (1.1 L). Use it as supporting context only; the actual filter match is still driven by the air-cleaner housing and part number AT20728.
Should I order the John Deere L air filter by size or part number?
Start with AT20728 when buying an air filter for the John Deere L. Do not rely only on the model name if there were production changes.
What should I confirm before buying a John Deere L air filter?
For the John Deere L, confirm AT20728 against the parts manual or official John Deere lookup because air-cleaner parts can change by serial range.
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.
