The Case IH C100 tractor primary air filter part number is 381423R92. The inner safety filter is A44804.
Case IH C100 Air Filter Details
| Primary air filter part number | 381423R92 |
|---|---|
| Inner safety air filter part number | A44804 |
| Outer air filter part number | 47132345 |
| Air filter dimensions | Height: 16.4 in |
| Cross-reference part numbers | C100 |
Air Filter Service Interval Guide
Air Filter Service Interval Guide
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 C100 Extra Air Filter Notes
| Engine model | Perkins 4.0L |
|---|---|
| Engine displacement | 4 L | 244.1 cu in |
| Engine horsepower | 100 hp | 74.6 kW |
| Primary filter note | For the Case IH C100, 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 listed outer air filter part number is 47132345. |
| 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 | Listed dimensions: 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. Use that as a fitment sanity check against the old filter. |
| Power range note | At this power level, a dirty filter can show up as weaker pull, smoke or higher heat under load. Use job conditions and the restriction indicator ahead of a fixed schedule. |
| Engine airflow note | A similar horsepower rating does not guarantee the same filter if displacement or engine family changes. Use the engine data as a sanity check only. |
| Cross-reference note | Possible cross-reference numbers found for the Case IH C100: C100. Treat these as secondary checks after the primary filter number. |
| 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 C100 Air Filter FAQs
How should I verify the Case IH C100 air filter before fitting it?
Because this listing shows a primary, outer and inner safety element setup, the risk is ordering one correct number and one wrong companion element. Keep 381423R92 as the main reference, then confirm the other elements separately.
How do I avoid mixing up the Case IH C100 air-filter elements?
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 47132345 when you meant the safety filter, or A44804 when you meant the outer filter.
What do the Case IH C100 air filter dimensions tell me?
Only one useful size is cleanly listed, so it is not enough to buy by dimensions alone. Use the length as a rough check, then rely on the old filter and parts book.
Can I use aftermarket cross-reference filters on a Case IH C100?
A single cross-reference can help when 381423R92 is unavailable, but it should not override the old filter, seal shape or housing label. Use the listed size as a second check before fitting.
Can a similar Case IH C100 air-filter number still be wrong?
The primary number format is a mixed letter-and-number part number, while the page also has separate companion numbers. That is exactly where copy-paste ordering mistakes happen.
Can a dirty air filter affect Case IH C100 performance?
At this power level, a dirty filter can show up as weaker pull, smoke or higher heat under load. Use job conditions and the restriction indicator ahead of a fixed schedule.
What does the outer-filter listing mean for the Case IH C100?
This is not a one-number job. The outer and inner elements have different jobs, so compare both old parts before buying a kit.
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.
