The Case IH C50 tractor primary air filter part number is 381423R92. The inner safety filter is A189348.
Case IH C50 Air Filter Details
| Primary air filter part number | 381423R92 |
|---|---|
| Inner safety air filter part number | A189348 |
| Outer air filter part number | Same as primary air filter |
| Air filter dimensions | Outside diameter: 9.9 in | Inside diameter: 6 in | Height: 16.4 in |
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Listed Filter Size Check
These are practical inspection/replacement guide ranges for the utility tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
Case IH C50 Extra Air Filter Notes
| Engine model | Perkins 903.27 |
|---|---|
| Engine horsepower | 53 hp | 39.5 kW |
| Primary filter note | For the Case IH C50, the listed primary air filter part number is 381423R92. 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 C50 appears to be the same listed item as the primary filter. |
| Safety filter note | The listed inner safety air filter is A189348. Do not remove the safety element for normal cleaning; replace it if dirty, damaged or oil-soaked. |
| Fitment note | Listed dimensions: Outside diameter: 9.9 in | Inside diameter: 6 in | Height: 16.4 in. Use dimensions as a second check, not as the only buying method. |
| Filter size note | The listed dimensions point to a long element length at 16.4 in and large outside diameter at 9.9 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 C50 Air Filter FAQs
Can the Case IH C50 air filter become a restriction under load?
The combo is a practical warning system. If the element is packed, damaged or not sealing, the engine can lose airflow long before the filter looks catastrophic.
Should I order one filter or a full Case IH C50 air-filter set?
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 do I avoid buying the wrong Case IH C50 air filter?
Do not buy from the title alone. Match 381423R92 against the removed filter, then check gasket shape, end-cap depth and cover fit before starting the tractor.
Which Case IH C50 air-filter measurement matters most?
A large and deep element can still have different end caps across brands. Use size to narrow the search, then use the part number and seal style to make the decision.
What is the biggest fitment trap with the Case IH C50 air filter?
The trap is assuming a large and deep element is close enough because it looks right online. The seal face, end-cap depth and cover pressure have to match, otherwise dust can bypass the media.
What order should I check the Case IH C50 air-filter elements?
Do not read the primary and outer rows as two separate filters here. They point to the same service element, with the safety element handled separately.
How can part-number style help check a Case IH C50 filter?
Use the full 381423R92 string. Do not trim suffixes or ignore letters; small part-number changes can mean a different seal or element length.
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.
