The New Holland Boomer 45D tractor primary air filter part number is 86555826. The inner safety filter is 86512887.
New Holland Boomer 45D Air Filter Details
Primary air filter part number
86555826
Inner safety air filter part number
86512887
Outer air filter part number
86504145
Air filter dimensions
Length: 10.8 in | Outside diameter: 4.1 in | Inside diameter: 2.3 in
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
300 hrs
Light use
600 hrs
Listed Filter Size Check
Length
10.8 in
Outside diameter
4.1 in
Inside diameter
2.3 in
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 Boomer 45D Extra Air Filter Notes
Engine model
Shibaura 2.2L
Engine displacement
2.2 L | 134.3 cu in
Engine horsepower
45 hp | 33.6 kW
Primary filter note
For the New Holland Boomer 45D, 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 86504145.
Safety filter note
The listed inner safety air filter is 86512887. Do not remove the safety element for normal cleaning; replace it if dirty, damaged or oil-soaked.
Fitment note
Listed dimensions: Length: 10.8 in | Outside diameter: 4.1 in | Inside diameter: 2.3 in. Use dimensions as a second check, not as the only buying method.
Filter size note
The listed dimensions point to a mid-size element length at 10.8 in and normal outside diameter at 4.1 in. Use that as a fitment sanity check against the old filter.
Power range note
The important combo is power plus element size. That tells you whether restriction is a real working problem or mainly a fit/seal problem.
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.
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 Boomer 45D Air Filter FAQs
What does the New Holland Boomer 45D 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.
What makes the New Holland Boomer 45D air-filter number risky to order blindly?
Treat 86555826 as the hero value, not the whole truth. Serial range, engine swaps and different air-cleaner housings can beat a generic online listing.
Is the New Holland Boomer 45D 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 86504145 when you meant the safety filter, or 86512887 when you meant the outer filter.
Should I trust New Holland Boomer 45D air-filter dimensions or the part number?
A long, narrow 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.
Is the New Holland Boomer 45D outer filter the same as the primary filter?
Use 86504145 to check the service element and 86512887 to check the safety element. Do not assume one substitutes for the other.
Why does airflow matter on the New Holland Boomer 45D air filter?
The important combo is power plus element size. That tells you whether restriction is a real working problem or mainly a fit/seal problem.
Why is the exact New Holland Boomer 45D filter number important?
Multiple numbers are useful only if each one is tied to the correct element position. Wrong element in the right brand is still wrong.
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.
