The Case IH 9370 tractor primary air filter part number is A171255. The inner safety filter is A44804.
Case IH 9370 Air Filter Details
| Primary air filter part number | A171255 |
|---|---|
| Inner safety air filter part number | A44804 |
| Outer air filter part number | 185168R9 |
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 9370 Extra Air Filter Notes
| Engine model | Cummins 14.0L |
|---|---|
| Engine displacement | 14 L | 854.3 cu in |
| Primary filter note | For the Case IH 9370, 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 185168R9. |
| 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. |
| Engine airflow note | Engine size can narrow the search, but serial range and market version can still change the housing. |
| 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 9370 Air Filter FAQs
Is the Case IH 9370 air filter a one-part or multi-part service?
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 185168R9 when you meant the safety filter, or A44804 when you meant the outer filter.
What should I check before ordering a Case IH 9370 air filter?
Do not buy from the title alone. Match A171255 against the removed filter, then check gasket shape, end-cap depth and cover fit before starting the tractor.
Can I ignore letters or suffixes in the Case IH 9370 filter number?
The primary number format is a letter-prefix part number, while the page also has separate companion numbers. That is exactly where copy-paste ordering mistakes happen.
How do I avoid mixing up Case IH 9370 outer and safety filters?
This looks like a multi-element setup. Keep the outer/primary service element and the inner safety element separate when ordering, because mixing up 185168R9 and A44804 is the easy mistake.
How does engine data help with a Case IH 9370 air-filter check?
The engine info narrows the search, but serial range and market version can still change the air-cleaner setup.
Does displacement help choose a Case IH 9370 air filter?
Engine size can narrow the search, but serial range and market version can still change the housing.
What mistake ruins the point of the Case IH 9370 safety filter?
No. The inner safety element is backup protection, not the part to disturb every time. Leave it seated while the outer element is out so dust cannot fall into the intake.
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.
