The Case IH MX135 tractor primary air filter part number is 87726675. The inner safety filter is 187472A1.
Case IH MX135 Air Filter Details
Primary air filter part number
87726675
Inner safety air filter part number
187472A1
Outer air filter part number
1265510C1
Cross-reference part numbers
MX135
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
400 hrs
Light use
800 hrs
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 MX135 Extra Air Filter Notes
Engine displacement
5.9 L | 360 cu in
Engine horsepower
135 hp | 100.7 kW
Primary filter note
For the Case IH MX135, the listed primary air filter part number is 87726675. 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 1265510C1.
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
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 MX135: MX135. 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 MX135 Air Filter FAQs
How do I avoid mixing up the Case IH MX135 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 1265510C1 when you meant the safety filter, or 187472A1 when you meant the outer filter.
What is the most reliable way to confirm a Case IH MX135 air filter?
Use 87726675 as the anchor number, then verify the old element and housing label. This is a straight numeric OEM-style number, and the setup looks like a primary, outer and inner safety element setup, so one loose search result is not enough.
What order should I check the Case IH MX135 air-filter elements?
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.
What does the Case IH MX135 air-filter part-number pattern tell me?
Multiple numbers are useful only if each one is tied to the correct element position. Wrong element in the right brand is still wrong.
Can a cross-reference filter fit badly on a Case IH MX135?
A single cross-reference can help when 87726675 is unavailable, but it should not override the old filter, seal shape or housing label.
What symptoms point to air restriction on a Case IH MX135?
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.
Can the same Case IH MX135 use different air filters?
The engine clue is helpful, but the filter still has to seal in the actual housing. Fit beats theory here.
Official information note
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.
