The Case IH 9380 tractor primary air filter part number is P133138. The inner safety filter is A44804.
Case IH 9380 Air Filter Details
| Primary air filter part number | P133138 |
|---|---|
| Inner safety air filter part number | A44804 |
| 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 9380 Extra Air Filter Notes
| Engine model | N14-A400 turbocharged |
|---|---|
| Engine horsepower | 400 hp | 298.3 kW |
| Primary filter note | For the Case IH 9380, the listed primary air filter part number is P133138. 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 9380 appears to be the same listed item as the primary filter. |
| Safety filter note | The listed inner safety air filter is A44804. 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. |
| 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 9380 Air Filter FAQs
What would make a Case IH 9380 air filter cross-listing suspicious?
The safest match is not just the printed number. Use P133138, 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 9380 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.
How should I read the Case IH 9380 air-filter number?
If a listing shows a shortened version of P133138, be suspicious. Air filters are fitment parts, not close-enough parts.
What does the outer-filter listing mean for the Case IH 9380?
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.
Why does the Case IH 9380 horsepower class matter for filters?
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.
What is the point of the Case IH 9380 inner safety air filter?
The inner element is there for the mistake moment: a torn outer filter, bad seal or dusty service. Keep it clean and seated while working around P133138.
Why should I check the engine before ordering a Case IH 9380 air filter?
The engine info narrows the search, but serial range and market version can still change the air-cleaner setup.
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.
