The Case IH MXU125 tractor primary air filter part number is 87420282. The inner safety filter is 187472A1.
Case IH MXU125 Air Filter Details
| Primary air filter part number | 87420282 |
|---|---|
| Inner safety air filter part number | 187472A1 |
| Outer air filter part number | A171255 |
| Cross-reference part numbers | MXU125 |
Air Filter Service Interval Guide
Air Filter Service Interval Guide
These are practical inspection/replacement guide ranges for the row-crop tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
Case IH MXU125 Extra Air Filter Notes
| Engine displacement | 6.7 L | 408.9 cu in |
|---|---|
| Engine horsepower | 125 hp | 93.2 kW |
| Primary filter note | For the Case IH MXU125, the listed primary air filter part number is 87420282. 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 A171255. |
| Safety filter note | The listed inner safety air filter is 187472A1. 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 | 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 | The displacement helps identify the engine family; horsepower tells you how hard it breathes under load. The element still has to match the canister. |
| Cross-reference note | Possible cross-reference numbers found for the Case IH MXU125: MXU125. 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 MXU125 Air Filter FAQs
How should I verify the Case IH MXU125 air filter before fitting it?
If the old filter is missing, use 87420282 plus the housing measurements as a two-step check. If either the seal or cover depth is wrong, do not run it.
Should I order one filter or a full Case IH MXU125 air-filter set?
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 A171255 when you meant the safety filter, or 187472A1 when you meant the outer filter.
Are cheaper cross-reference filters okay for a Case IH MXU125?
A cross-reference is only as good as the brand’s catalog data. Verify the drawing or the removed filter before installing.
Can a similar Case IH MXU125 air-filter number still be wrong?
The primary number format is a straight numeric OEM-style number, while the page also has separate companion numbers. That is exactly where copy-paste ordering mistakes happen.
Should I buy separate outer and primary filters for a Case IH MXU125?
The outer filter is the dirt-catcher; the inner filter is the backup. Service them with different expectations instead of replacing both out of habit.
Why does airflow matter on the Case IH MXU125 air filter?
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.
Should I use engine displacement to verify a Case IH MXU125 filter?
The displacement helps identify the engine family; horsepower tells you how hard it breathes under load. The element still has to match the canister.
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.
