The Case IH Farmall 35A tractor primary air filter part number is 87420200. The inner safety filter is 100-1000.
Case IH Farmall 35A Air Filter Details
Primary air filter part number
87420200
Inner safety air filter part number
100-1000
Outer air filter part number
381423R92
Air filter dimensions
Outside diameter: 9.9 in | Inside diameter: 6 in | Height: 16.4 in
Cross-reference part numbers
381423R
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
250 hrs
Light use
500 hrs
Listed Filter Size Check
Height
16.4 in
Outside diameter
9.9 in
Inside diameter
6 in
These are practical inspection/replacement guide ranges for the compact tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
Case IH Farmall 35A Extra Air Filter Notes
Engine horsepower
35 hp | 26 kW
Primary filter note
For the Case IH Farmall 35A, the listed primary air filter part number is 87420200. 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 381423R92.
Safety filter note
The listed inner safety air filter is 100-1000. 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
Use the power class to decide urgency. Higher airflow demand means less patience for questionable media, bad seals or packed pleats.
Cross-reference note
Possible cross-reference numbers found for the Case IH Farmall 35A: 381423R. 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 Farmall 35A Air Filter FAQs
What is the most reliable way to confirm a Case IH Farmall 35A air filter?
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 87420200 as the main reference, then confirm the other elements separately.
What does the Case IH Farmall 35A horsepower and filter size combo tell me?
Horsepower tells you airflow demand; length and outside diameter tell you rough element size. Together they say whether restriction is a service concern or mostly a fitment check.
Is the Case IH Farmall 35A air filter a one-part or multi-part service?
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 381423R92 when you meant the safety filter, or 100-1000 when you meant the outer filter.
Can I match a Case IH Farmall 35A air filter by size?
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 does the Case IH Farmall 35A 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 Farmall 35A?
Use the cross-reference to find stock, then check fit like normal. The air cleaner does not care what the seller’s listing title says.
Why are there multiple air filter numbers for the Case IH Farmall 35A?
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.
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.
