The Case IH Farmall 50A tractor primary air filter part number is 381423R92. The inner safety filter is 381423R92.
Case IH Farmall 50A Air Filter Details
Primary air filter part number
381423R92
Inner safety air filter part number
381423R92
Outer air filter part number
Same as primary air filter
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 Farmall 50A Extra Air Filter Notes
Engine horsepower
53 hp | 39.5 kW
Primary filter note
For the Case IH Farmall 50A, 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 Farmall 50A appears to be the same listed item as the primary filter.
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
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
This sits in the utility range. The 300-hour guide is useful for planning, but dusty work should shorten the inspection cycle.
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 50A Air Filter FAQs
Why should I compare the old Case IH Farmall 50A filter before buying?
The safest match is not just the printed number. Use 381423R92, then check whether the element seats fully without forcing the cover. The outer listing matching the primary means you probably do not need to buy two different outer elements.
What should I buy for a full Case IH Farmall 50A air-filter service?
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.
Should I buy separate outer and primary filters for a Case IH Farmall 50A?
Do not read the primary and outer rows as two separate filters here. They point to the same service element, with the safety element handled separately.
Why does the full Case IH Farmall 50A air-filter number matter?
A clean part number is more useful than a generic model-name listing. Model-name compatibility tables are often the weak link.
Why not stretch a dirty Case IH Farmall 50A air filter under load?
This sits in the utility range. The 300-hour guide is useful for planning, but dusty work should shorten the inspection cycle.
Does the Case IH Farmall 50A engine setup affect air filter fitment?
Use horsepower to judge airflow demand; use the part number and dimensions to judge fit.
Is the Case IH Farmall 50A inner filter a normal service part?
Replace the safety element when it is contaminated, damaged, wet or due by the book. Blowing it out as a normal habit is a dumb way to push dirt toward the engine.
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.
