The Case IH Farmall 110U tractor primary air filter part number is 381423R92. The inner safety filter is 381423R92.
Case IH Farmall 110U Air Filter Details
Primary air filter part number
381423R92
Inner safety air filter part number
381423R92
Outer air filter part number
3651225M91
Air filter dimensions
Outside diameter: 9.9 in | Height: 16.4 in
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
400 hrs
Light use
800 hrs
Listed Filter Size Check
Height
16.4 in
Outside diameter
9.9 in
These are practical inspection/replacement guide ranges for the row-crop tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
Case IH Farmall 110U Extra Air Filter Notes
Engine model
FPT 3.4L
Engine displacement
3.4 L | 207.5 cu in
Engine horsepower
107 hp | 79.8 kW
Primary filter note
For the Case IH Farmall 110U, 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 listed outer air filter part number is 3651225M91.
Safety filter note
The listed inner safety air filter is 381423R92. Do not remove the safety element for normal cleaning; replace it if dirty, damaged or oil-soaked.
Fitment note
Listed dimensions: Outside diameter: 9.9 in | Height: 16.4 in. Use dimensions as a second check, not as the only buying method.
Filter size note
The listed dimensions point to a long element length at 16.4 in and large outside diameter at 9.9 in. Use that as a fitment sanity check against the old filter.
Power range note
The horsepower and filter-size combo says this is not just a catalog lookup. If the tractor works in dust, restriction checks should happen earlier than the generic chart.
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.
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 110U Air Filter FAQs
What does the Case IH Farmall 110U horsepower and filter size combo tell me?
Horsepower tells you airflow demand; length and outside diameter tell you rough element size. Together they say whether restriction is a service concern or mostly a fitment check.
Is the Case IH Farmall 110U air filter a one-part or multi-part service?
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 3651225M91 when you meant the safety filter, or 381423R92 when you meant the outer filter.
How do I avoid buying the wrong Case IH Farmall 110U air filter?
The buying order should be: old filter number first, housing fit second, then cross-reference. Start with 381423R92, but do not ignore the a primary, outer and inner safety element setup. The size data points to a large and deep element, so compare the removed element against both length and outside diameter before fitting.
What size mistake should I watch for on a Case IH Farmall 110U air filter?
The dimensions are a sanity check, not permission to ignore the part number. If the cover needs force, the element is wrong or seated badly.
Why are there multiple air filter numbers for the Case IH Farmall 110U?
The presence of both outer and inner numbers means you should order carefully. A kit can be convenient, but only if it contains the correct service element and safety element.
Why not stretch a dirty Case IH Farmall 110U air filter under load?
The horsepower and filter-size combo says this is not just a catalog lookup. If the tractor works in dust, restriction checks should happen earlier than the generic chart.
How can part-number style help check a Case IH Farmall 110U filter?
Multiple numbers are useful only if each one is tied to the correct element position. Wrong element in the right brand is still wrong.
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.
