The Case IH MX270 tractor primary air filter part number is 401270R1. The inner safety filter is A44804.
Case IH MX270 Air Filter Details
| Primary air filter part number | 401270R1 |
|---|---|
| Inner safety air filter part number | A44804 |
| Outer air filter part number | 932391C2 |
| Air filter dimensions | Outside diameter: 9.9 in |
| Cross-reference part numbers | MX270 |
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 MX270 Extra Air Filter Notes
| Engine displacement | 8.3 L | 506.5 cu in |
|---|---|
| Engine horsepower | 270.9 hp | 202 kW |
| Primary filter note | For the Case IH MX270, the listed primary air filter part number is 401270R1. 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 932391C2. |
| 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: Outside diameter: 9.9 in. Use dimensions as a second check, not as the only buying method. |
| Filter size note | The listed dimensions point to a large outside diameter at 9.9 in. Use that as a fitment sanity check against the old filter. |
| 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 | Displacement and horsepower together explain airflow demand better than either one alone, but the air-cleaner housing still proves fit. |
| Cross-reference note | Possible cross-reference numbers found for the Case IH MX270: MX270. 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 MX270 Air Filter FAQs
How should I verify the Case IH MX270 air filter before fitting it?
If the old filter is missing, use 401270R1 plus the housing measurements as a two-step check. If either the seal or cover depth is wrong, do not run it.
How do I avoid mixing up the Case IH MX270 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 932391C2 when you meant the safety filter, or A44804 when you meant the outer filter.
What size mistake should I watch for on a Case IH MX270 air filter?
A single measurement can catch a wildly wrong filter, but it cannot prove the seal. You still need the end-cap and gasket style to match.
Can a similar Case IH MX270 air-filter number still be wrong?
Multiple numbers are useful only if each one is tied to the correct element position. Wrong element in the right brand is still wrong.
Should I buy separate outer and primary filters for a Case IH MX270?
The presence of both outer and inner numbers means you should order carefully. A kit can be convenient, but only if it contains the correct service element and safety element.
Why does airflow matter on the Case IH MX270 air filter?
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.
Are cheaper cross-reference filters okay for a Case IH MX270?
A single cross-reference can help when 401270R1 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.
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.
