The Case IH Farmall DX33 tractor primary air filter part number is 87420200. The inner safety filter is 87420200.
Case IH Farmall DX33 Air Filter Details
Primary air filter part number
87420200
Inner safety air filter part number
87420200
Outer air filter part number
87420282
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
250 hrs
Light use
500 hrs
These are practical inspection/replacement guide ranges for the compact tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
Case IH Farmall DX33 Extra Air Filter Notes
Engine model
Shibaura 1.5L
Engine displacement
1.5 L | 91.5 cu in
Engine horsepower
33 hp | 24.6 kW
Primary filter note
For the Case IH Farmall DX33, the listed primary air filter part number is 87420200. Match the number before buying because air cleaner setups can vary by engine, serial range and market.
Outer filter note
The listed outer air filter part number is 87420282.
Safety filter note
The listed inner safety air filter is 87420200. Do not remove the safety element for normal cleaning; replace it if dirty, damaged or oil-soaked.
Fitment note
Check the old filter, air cleaner housing label and parts book before ordering if the tractor has had an engine or intake-housing change.
Power range note
For a smaller tractor, the filter may not look dramatic, but dirt ingestion is still the killer. Dry mowing, loader work and chaff are bigger triggers than engine hours alone.
Engine airflow note
Displacement and horsepower together explain airflow demand better than either one alone, but the air-cleaner housing still proves fit.
Service note
Clean loose dust from the air cleaner housing before pulling the filter. Never run the tractor with the filter removed, even for a quick test.
Case IH Farmall DX33 Air Filter FAQs
What should I check before ordering a Case IH Farmall DX33 air filter?
The buying order should be: old filter number first, housing fit second, then cross-reference. Start with 87420200, but do not ignore the a primary, outer and inner safety element setup.
How do I avoid mixing up the Case IH Farmall DX33 air-filter elements?
For a full parts check, separate the service element from the safety element: buy the outer/primary service element first, then buy the inner safety element only if it is dirty, damaged or due. Do not accidentally order 87420282 when you meant the safety filter, or 87420200 when you meant the outer filter.
Can I ignore letters or suffixes in the Case IH Farmall DX33 filter number?
Multiple numbers are useful only if each one is tied to the correct element position. Wrong element in the right brand is still wrong.
Does engine power change how I service the Case IH Farmall DX33 air filter?
For a smaller tractor, the filter may not look dramatic, but dirt ingestion is still the killer. Dry mowing, loader work and chaff are bigger triggers than engine hours alone.
How do I avoid mixing up Case IH Farmall DX33 outer and safety filters?
This is not a one-number job. The outer and inner elements have different jobs, so compare both old parts before buying a kit.
What mistake ruins the point of the Case IH Farmall DX33 safety filter?
Do not treat the safety filter like a second primary filter. It should stay protected; once it is dirty, replace it instead of trying to revive it with air pressure.
Does displacement help choose a Case IH Farmall DX33 air filter?
Displacement and horsepower together explain airflow demand better than either one alone, but the air-cleaner housing still proves fit.
Official information note
Mistakes do happen. Air filter specs can change by year, engine, serial range, market and air cleaner housing. Check the old filter, operator manual, parts book and official caseih.com website before ordering or installing an air filter.
