The New Holland TC33 tractor primary air filter part number is 86549700. The inner safety filter is 86549701.
New Holland TC33 Air Filter Details
Primary air filter part number
86549700
Inner safety air filter part number
86549701
Outer air filter part number
Same as primary air filter
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
500 hrs
Light use
1,000 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 large ag tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
New Holland TC33 Extra Air Filter Notes
Engine model
is 58129
Primary filter note
For the New Holland TC33, the listed primary air filter part number is 86549700. Match the number before buying because air cleaner setups can vary by engine, serial range and market.
Outer filter note
The outer air filter for the New Holland TC33 appears to be the same listed item as the primary filter.
Safety filter note
The listed inner safety air filter is 86549701. 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.
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 TC33 Air Filter FAQs
What would make a New Holland TC33 air filter cross-listing suspicious?
The safest match is not just the printed number. Use 86549700, then check whether the element seats fully without forcing the cover. The outer listing matching the primary means you probably do not need to buy two different outer elements.
Is the New Holland TC33 air filter a one-part or multi-part service?
For normal service, the primary/outer element is the one that does the dirty work. The inner safety element is backup protection, so replace it less often and keep it seated while cleaning the housing.
What do the New Holland TC33 air filter dimensions tell me?
The useful thing is the relationship between the three measurements: length checks housing depth, outside diameter checks the outer seal, and inside diameter checks the center opening. A filter can match two and still fail the third.
How do the New Holland TC33 outer and primary filters differ?
In this listing, the outer and primary filter appear to be the same service element. That means the main outer element is the one you replace first while the inner safety element stays protected.
What is the biggest fitment trap with the New Holland TC33 air filter?
The trap is assuming a long, narrow element is close enough because it looks right online. The seal face, end-cap depth and cover pressure have to match, otherwise dust can bypass the media.
How should I read the New Holland TC33 air-filter number?
The primary number looks like a straight numeric OEM-style number. That does not make it automatically correct, but it helps you spot obvious nonsense numbers in search results.
Why should I check the engine before ordering a New Holland TC33 air filter?
The engine detail helps identify the likely intake setup, but it does not replace checking the removed element. Air-cleaner housings can change inside the same model family.
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.
