The Case IH Steiger 400 tractor primary air filter part number is A171255. The inner safety filter is 86555827.
Case IH Steiger 400 Air Filter Details
| Primary air filter part number | A171255 |
|---|---|
| Inner safety air filter part number | 86555827 |
| Outer air filter part number | 381423R92 |
| Air filter dimensions | Length: 12 in | Outside diameter: 7 in | Inside diameter: 4 in |
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Listed Filter Size Check
These are practical inspection/replacement guide ranges for the large ag tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
Case IH Steiger 400 Extra Air Filter Notes
| Engine model | liter 6-cylinder |
|---|---|
| Engine horsepower | 400 hp | 298.3 kW |
| Primary filter note | For the Case IH Steiger 400, the listed primary air filter part number is A171255. 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 86555827. Do not remove the safety element for normal cleaning; replace it if dirty, damaged or oil-soaked. |
| Fitment note | Listed dimensions: Length: 12 in | Outside diameter: 7 in | Inside diameter: 4 in. 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 12 in and normal outside diameter at 7 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. |
| 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 Steiger 400 Air Filter FAQs
What does the Case IH Steiger 400 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.
How do I avoid buying the wrong Case IH Steiger 400 air filter?
Treat A171255 as the hero value, not the whole truth. Serial range, engine swaps and different air-cleaner housings can beat a generic online listing.
Which Case IH Steiger 400 air-filter parts should be changed together?
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 86555827 when you meant the outer filter.
Would I be strict with the Case IH Steiger 400 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.
Which Case IH Steiger 400 air-filter measurement matters most?
This looks like a mid-size element. Use the dimensions to reject obvious bad cross-references, especially if the inner diameter or seal lip does not match the removed element.
What order should I check the Case IH Steiger 400 air-filter elements?
Use 381423R92 to check the service element and 86555827 to check the safety element. Do not assume one substitutes for the other.
How can part-number style help check a Case IH Steiger 400 filter?
When there are several part numbers, do not search them all in one cart and hope. Label each one as primary, outer or safety before buying.
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.
