The John Deere 6403 tractor primary engine air filter part number found is AT307501. Service guidance is to check the air filter every 250 hours.
Primary air filterAT307501
Engine power102 hp
Service intervalCheck every 250 hours
John Deere 6403 Air Filter Specs
Primary air filter part number
AT307501
Replacement interval
Check every 250 hours
Number of air filter elements
1 element (primary)
Engine horsepower
102 hp
Engine displacement
274.6 cu in (4.5 L)
John Deere 6403 Air Filter Charts
Engine horsepower
This model
102 hp
Average
95 hp
Low
45 hp
High
175 hp
Engine displacement
This model
274.6 cu in
Average
250 cu in
Low
120 cu in
High
420 cu in
Air filter service interval
This model
250 hr
Average
200 hr
Low
100 hr
High
500 hr
John Deere 6403 Air Filter FAQ
What air filter does the John Deere 6403 use?
The primary engine air filter part number found for the John Deere 6403 is AT307501.
How often should the John Deere 6403 air filter be checked or replaced?
The service guidance found for the John Deere 6403 is to check the air filter every 250 hours. That is longer than the reference average of 200 hours for this class, so still shorten the interval when the machine is used in heavy dust.
How many air filter elements are listed for the John Deere 6403?
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 6403 air filter page?
Engine specs found for the John Deere 6403 include 102 hp, 274.6 cu in (4.5 L). Those specs help identify the tractor class, but the air filter should still be matched by part number AT307501.
Should I order the John Deere 6403 air filter by size or part number?
For the John Deere 6403, use AT307501 as the main buying number. Model names can share similar parts, so confirm the serial range or engine before ordering.
What should I confirm before buying a John Deere 6403 air filter?
For the John Deere 6403, confirm AT307501 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.
