The New Holland TK4.100M tractor primary air filter part number is 86555826. The inner safety filter is 86526975.
New Holland TK4.100M Air Filter Details
Primary air filter part number
86555826
Inner safety air filter part number
86526975
Outer air filter part number
87408704
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.
New Holland TK4.100M Extra Air Filter Notes
Engine model
NEF 4-cylinder
Engine horsepower
98 hp | 73.1 kW
Primary filter note
For the New Holland TK4.100M, the listed primary air filter part number is 86555826. 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 87408704.
Safety filter note
The listed inner safety air filter is 86526975. 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.
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.
New Holland TK4.100M Air Filter FAQs
How do I avoid mixing up the New Holland TK4.100M 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 87408704 when you meant the safety filter, or 86526975 when you meant the outer filter.
What should I check before ordering a New Holland TK4.100M 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 86555826 as the main reference, then confirm the other elements separately.
Can I ignore letters or suffixes in the New Holland TK4.100M filter number?
Multiple numbers are useful only if each one is tied to the correct element position. Wrong element in the right brand is still wrong.
Does engine power change how I service the New Holland TK4.100M 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.
How do I avoid mixing up New Holland TK4.100M outer and safety filters?
This is not a one-number job. The outer and inner elements have different jobs, so compare both old parts before buying a kit.
What mistake ruins the point of the New Holland TK4.100M safety filter?
Do not treat the safety filter like a second primary filter. It should stay protected; once it is dirty, replace it instead of trying to revive it with air pressure.
How does engine data help with a New Holland TK4.100M air-filter check?
Treat engine data as a second check. The primary filter number and old element should carry more weight.
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 newholland.com website before ordering or installing an air filter.
