The Case IH MX100 tractor primary air filter part number is 381423R92. The inner safety filter is A44804.
Case IH MX100 Air Filter Details
Primary air filter part number
381423R92
Inner safety air filter part number
A44804
Outer air filter part number
Same as primary air filter
Cross-reference part numbers
MX100
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
300 hrs
Light use
600 hrs
These are practical inspection/replacement guide ranges for the utility tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
Case IH MX100 Extra Air Filter Notes
Engine displacement
5.9 L | 359 cu in
Engine horsepower
100 hp | 74.6 kW
Primary filter note
For the Case IH MX100, the listed primary air filter part number is 381423R92. Match the number before buying because air cleaner setups can vary by engine, serial range and market.
Outer filter note
The outer air filter for the Case IH MX100 appears to be the same listed item as the primary filter.
Safety filter note
The listed inner safety air filter is A44804. 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
At this power level, a dirty filter can show up as weaker pull, smoke or higher heat under load. Use job conditions and the restriction indicator ahead of a fixed schedule.
Engine airflow note
The displacement helps identify the engine family; horsepower tells you how hard it breathes under load. The element still has to match the canister.
Cross-reference note
Possible cross-reference numbers found for the Case IH MX100: MX100. Treat these as secondary checks after the primary filter number.
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 MX100 Air Filter FAQs
How do I avoid buying the wrong Case IH MX100 air filter?
Do not buy from the title alone. Match 381423R92 against the removed filter, then check gasket shape, end-cap depth and cover fit before starting the tractor.
Should I order one filter or a full Case IH MX100 air-filter set?
For normal service, the primary/outer element is the one that does the dirty work. The inner safety element is backup protection, so replace it less often and keep it seated while cleaning the housing.
When does the Case IH MX100 air filter become a performance problem?
At this power level, a dirty filter can show up as weaker pull, smoke or higher heat under load. Use job conditions and the restriction indicator ahead of a fixed schedule.
Which Case IH MX100 air filter element should I service first?
If a seller tries to sell a separate outer element for this listing, compare it to the primary number first. It may just be duplicate naming.
How can part-number style help check a Case IH MX100 filter?
The primary number looks like a mixed letter-and-number part number. That does not make it automatically correct, but it helps you spot obvious nonsense numbers in search results.
Are cross-reference air filters safe for a Case IH MX100?
One alternate number is useful, not magic. Confirm it physically before trusting the compatibility claim.
Can a Case IH MX100 engine swap change the air filter?
Treat engine data as a second check. The primary filter number and old element should carry more weight.
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.
