The Case IH MX170 tractor primary air filter part number is A-1950. The inner safety filter is 187472A1.
Case IH MX170 Air Filter Details
Primary air filter part number
A-1950
Inner safety air filter part number
187472A1
Outer air filter part number
381423R92
Cross-reference part numbers
MX170
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
400 hrs
Light use
800 hrs
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 MX170 Extra Air Filter Notes
Engine displacement
5.9 L | 360 cu in
Engine horsepower
145 hp | 108.1 kW
Primary filter note
For the Case IH MX170, the listed primary air filter part number is A-1950. 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 381423R92.
Safety filter note
The listed inner safety air filter is 187472A1. 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 MX170: MX170. 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 MX170 Air Filter FAQs
How do I avoid mixing up the Case IH MX170 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 381423R92 when you meant the safety filter, or 187472A1 when you meant the outer filter.
Why should I compare the old Case IH MX170 filter before buying?
The buying order should be: old filter number first, housing fit second, then cross-reference. Start with A-1950, but do not ignore the a primary, outer and inner safety element setup.
How do I avoid mixing up Case IH MX170 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.
Why does the full Case IH MX170 air-filter number matter?
The main number A-1950 should be treated as the control number. The other numbers need their own fitment checks, not blind substitution.
When does the Case IH MX170 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.
How do I sanity-check a Case IH MX170 aftermarket air filter?
The cross-ref is helpful for aftermarket shopping, but the primary number and old element should still carry more weight.
Does the Case IH MX170 engine setup affect air filter fitment?
The engine clue is helpful, but the filter still has to seal in the actual housing. Fit beats theory here.
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.
