The John Deere 4450 tractor primary engine air filter part number found is FYD00000374.
Primary air filterFYD00000374
Engine power158.2 hp
John Deere 4450 Air Filter Specs
Primary air filter part number
FYD00000374
Secondary / safety air filter
AN403919
Number of air filter elements
2 elements (primary, secondary)
Engine horsepower
158.2 hp
Engine displacement
463.8 cu in (7.6 L)
John Deere 4450 Air Filter Charts
Engine horsepower
This model
158.2 hp
Average
35 hp
Low
18 hp
High
66 hp
Engine displacement
This model
463.8 cu in
Average
100 cu in
Low
50 cu in
High
180 cu in
John Deere 4450 Air Filter FAQ
What air filter does the John Deere 4450 use?
The primary engine air filter part number found for the John Deere 4450 is FYD00000374.
How many air filter elements are listed for the John Deere 4450?
This page lists 2 elements (primary, secondary). That means the safety element should be treated separately from the outer primary air filter.
Why include engine specs on a John Deere 4450 air filter page?
Engine specs found for the John Deere 4450 include 158.2 hp, 463.8 cu in (7.6 L). Those specs help identify the tractor class, but the air filter should still be matched by part number FYD00000374.
Should I order the John Deere 4450 air filter by size or part number?
The important buying value for the John Deere 4450 is FYD00000374. Use the parts manual or dealer lookup if your machine has a different engine or air-cleaner housing.
What should I confirm before buying a John Deere 4450 air filter?
For the John Deere 4450, confirm FYD00000374 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.
