The New Holland 8670A tractor primary air filter part number is 86512887. The inner safety filter is 84539215.
New Holland 8670A Air Filter Details
Primary air filter part number
86512887
Inner safety air filter part number
84539215
Outer air filter part number
84479228
Air filter dimensions
Length: 12 in | Outside diameter: 8.5 in | Inside diameter: 4.5 in
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
400 hrs
Light use
800 hrs
Listed Filter Size Check
Length
12 in
Outside diameter
8.5 in
Inside diameter
4.5 in
These are practical inspection/replacement guide ranges for the row-crop tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
New Holland 8670A Extra Air Filter Notes
Engine displacement
7.5 L | 457.7 cu in
Engine horsepower
170 hp | 126.8 kW
Primary filter note
For the New Holland 8670A, the listed primary air filter part number is 86512887. 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 84479228.
Safety filter note
The listed inner safety air filter is 84539215. Do not remove the safety element for normal cleaning; replace it if dirty, damaged or oil-soaked.
Fitment note
Listed dimensions: Length: 12 in | Outside diameter: 8.5 in | Inside diameter: 4.5 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 12 in and large outside diameter at 8.5 in. Use that as a fitment sanity check against the old filter.
Power range note
A dirty filter on this setup can show up as reduced pull, black smoke or higher temperature. That is more useful than staring at the hour meter.
Engine airflow note
If a cross-reference is for a different displacement family, verify it hard before buying. Similar model names can hide different intake setups.
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 8670A Air Filter FAQs
Should I order one filter or a full New Holland 8670A air-filter set?
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 84479228 when you meant the safety filter, or 84539215 when you meant the outer filter.
How do I avoid buying the wrong New Holland 8670A air filter?
The buying order should be: old filter number first, housing fit second, then cross-reference. Start with 86512887, but do not ignore the a primary, outer and inner safety element setup. The size data points to a wide element, so compare the removed element against both length and outside diameter before fitting.
Why compare New Holland 8670A horsepower with filter dimensions?
Comparing power and element size helps catch bad cross-references. A tiny replacement for a harder-working engine should make you suspicious before installing it.
Why can a similar-size filter still be wrong for a New Holland 8670A?
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 can part-number style help check a New Holland 8670A filter?
The main number 86512887 should be treated as the control number. The other numbers need their own fitment checks, not blind substitution.
How do I avoid mixing up New Holland 8670A outer and safety filters?
This looks like a multi-element setup. Keep the outer/primary service element and the inner safety element separate when ordering, because mixing up 84479228 and 84539215 is the easy mistake.
Can a dirty air filter affect New Holland 8670A performance?
A dirty filter on this setup can show up as reduced pull, black smoke or higher temperature. That is more useful than staring at the hour meter.
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.
