The Case IH Magnum 250 tractor primary air filter part number is 84191182. The inner safety filter is 87409407.
Case IH Magnum 250 Air Filter Details
| Primary air filter part number | 84191182 |
|---|---|
| Inner safety air filter part number | 87409407 |
| Outer air filter part number | Same as primary air filter |
Air Filter Service Interval Guide
Air Filter Service Interval Guide
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 Magnum 250 Extra Air Filter Notes
| Engine model | FPT 8.7L |
|---|---|
| Engine displacement | 8.7 L | 530.9 cu in |
| Engine horsepower | 285 hp | 212.5 kW |
| Primary filter note | For the Case IH Magnum 250, the listed primary air filter part number is 84191182. 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 Magnum 250 appears to be the same listed item as the primary filter. |
| Safety filter note | The listed inner safety air filter is 87409407. 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 is a higher-airflow class, so restriction matters fast. If it is working in dust, inspect before the 500-hour planning mark instead of waiting for visible power loss. |
| Engine airflow note | If a cross-reference is for a different displacement family, verify it hard before buying. Similar model names can hide different intake setups. |
| 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 Magnum 250 Air Filter FAQs
What is the safest way to match a Case IH Magnum 250 air filter?
Do not buy from the title alone. Match 84191182 against the removed filter, then check gasket shape, end-cap depth and cover fit before starting the tractor.
Which Case IH Magnum 250 air-filter parts should be changed together?
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.
What part-number mistake should I avoid on a Case IH Magnum 250?
Use the full 84191182 string. Do not trim suffixes or ignore letters; small part-number changes can mean a different seal or element length.
How do the Case IH Magnum 250 outer and primary filters differ?
The outer listing matching the primary is actually useful: it tells you not to chase a second outer number unless the old housing says otherwise.
Can a dirty air filter affect Case IH Magnum 250 performance?
This is a higher-airflow class, so restriction matters fast. If it is working in dust, inspect before the 500-hour planning mark instead of waiting for visible power loss.
Should I replace the Case IH Magnum 250 inner safety filter every time?
Because the setup includes a safety element, service the primary element first and inspect the inside of the housing. If dust reached the safety element, the job is no longer just a quick outer-filter swap.
Should I use engine displacement to verify a Case IH Magnum 250 filter?
If a cross-reference is for a different displacement family, verify it hard before buying. Similar model names can hide different intake setups.
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.
