The Case IH Farmall 50C tractor primary air filter part number is A70680. The inner safety filter is 381423R92.
Case IH Farmall 50C Air Filter Details
Primary air filter part number
A70680
Inner safety air filter part number
381423R92
Outer air filter part number
381423R92
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
300 hrs
Light use
600 hrs
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 Farmall 50C Extra Air Filter Notes
Engine model
Shibaura 2.2L
Engine displacement
2.2 L | 134.3 cu in
Engine horsepower
45.6 hp | 34 kW
Primary filter note
For the Case IH Farmall 50C, the listed primary air filter part number is A70680. 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 381423R92. 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
This sits in the utility range. The 300-hour guide is useful for planning, but dusty work should shorten the inspection cycle.
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.
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 50C Air Filter FAQs
Which Case IH Farmall 50C air-filter parts should be changed together?
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 381423R92 when you meant the outer filter.
What makes the Case IH Farmall 50C air-filter number risky to order blindly?
If the old filter is missing, use A70680 plus the housing measurements as a two-step check. If either the seal or cover depth is wrong, do not run it.
Why is the exact Case IH Farmall 50C filter number important?
The main number A70680 should be treated as the control number. The other numbers need their own fitment checks, not blind substitution.
When does the Case IH Farmall 50C air filter become a performance problem?
This sits in the utility range. The 300-hour guide is useful for planning, but dusty work should shorten the inspection cycle.
How do I avoid mixing up Case IH Farmall 50C outer and safety filters?
Multiple numbers usually means a staged air cleaner. Replace the loaded outer element first, then inspect the safety element without exposing the clean intake to dust.
What does the Case IH Farmall 50C engine info tell me about the air filter?
This is a mid-displacement / utility type setup, so airflow is not just a trivia spec. A bad seal or restricted element can show up as smoke, heat or weak pull.
Does engine size prove the Case IH Farmall 50C air-filter part number?
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.
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.
