The Case IH MXM155 tractor primary air filter part number is 84386403. The inner safety filter is 187472A1.
Case IH MXM155 Air Filter Details
Primary air filter part number
84386403
Inner safety air filter part number
187472A1
Outer air filter part number
381423R92
Air filter dimensions
Length: 355 mm | Outside diameter: 119 mm
Cross-reference part numbers
MXM155
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
Length
14 in
Outside diameter
4.7 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 MXM155 Extra Air Filter Notes
Engine displacement
7.5 L | 457.7 cu in
Engine horsepower
153 hp | 114.1 kW
Primary filter note
For the Case IH MXM155, the listed primary air filter part number is 84386403. 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
Listed dimensions: Length: 355 mm | Outside diameter: 119 mm. Use dimensions as a second check, not as the only buying method.
Filter size note
The listed dimensions point to a mid-size element length at 14 in and normal outside diameter at 4.7 in. Use that as a fitment sanity check against the old filter.
Power range note
Use the power class to decide urgency. Higher airflow demand means less patience for questionable media, bad seals or packed pleats.
Engine airflow note
A similar horsepower rating does not guarantee the same filter if displacement or engine family changes. Use the engine data as a sanity check only.
Cross-reference note
Possible cross-reference numbers found for the Case IH MXM155: MXM155. 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 MXM155 Air Filter FAQs
Should I order one filter or a full Case IH MXM155 air-filter set?
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.
Is airflow likely to be sensitive on the Case IH MXM155?
If the tractor is under load, a marginal or dirty element will matter more than it does at idle. Use the size/power combo as a reason to inspect before heavy dusty jobs.
How do I avoid buying the wrong Case IH MXM155 air filter?
Do not buy from the title alone. Match 84386403 against the removed filter, then check gasket shape, end-cap depth and cover fit before starting the tractor.
Would I be strict with the Case IH MXM155 air filter condition?
Yes. The power-to-filter-size relationship makes restriction and seal condition worth taking seriously. Replace a questionable element before heavy dusty work.
Should I trust Case IH MXM155 air-filter dimensions or the part number?
Use the listed length and OD together. Length alone can get the filter into the housing; OD and seal shape decide whether it actually protects the engine.
What is the risk with Case IH MXM155 air-filter cross-refs?
The cross-ref is helpful for aftermarket shopping, but the primary number and old element should still carry more weight.
How can part-number style help check a Case IH MXM155 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.
