The Massey Ferguson 8120 tractor primary air filter part number is 6259119M91. The inner safety filter is 3703704M91.
Massey Ferguson 8120 Air Filter Details
Primary air filter part number
6259119M91
Inner safety air filter part number
3703704M91
Outer air filter part number
2127378K1
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
400 hrs
Light use
800 hrs
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.
Massey Ferguson 8120 Extra Air Filter Notes
Engine model
Perkins 6.0L
Engine displacement
6 L | 366.1 cu in
Engine horsepower
145 hp | 108.1 kW
Primary filter note
For the Massey Ferguson 8120, the listed primary air filter part number is 6259119M91. 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 2127378K1.
Safety filter note
The listed inner safety air filter is 3703704M91. 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.
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.
Massey Ferguson 8120 Air Filter FAQs
How do I avoid mixing up the Massey Ferguson 8120 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 2127378K1 when you meant the safety filter, or 3703704M91 when you meant the outer filter.
What is the safest way to match a Massey Ferguson 8120 air filter?
Use 6259119M91 as the anchor number, then verify the old element and housing label. This is a Massey-style M-suffix number, and the setup looks like a primary, outer and inner safety element setup, so one loose search result is not enough.
What part-number mistake should I avoid on a Massey Ferguson 8120?
The primary number format is a Massey-style M-suffix number, while the page also has separate companion numbers. That is exactly where copy-paste ordering mistakes happen.
When does the Massey Ferguson 8120 air filter become a performance problem?
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.
What does the outer-filter listing mean for the Massey Ferguson 8120?
This looks like a multi-element setup. Keep the outer/primary service element and the inner safety element separate when ordering, because mixing up 2127378K1 and 3703704M91 is the easy mistake.
Should I replace the Massey Ferguson 8120 inner safety filter every time?
Because the setup includes a safety element, service the primary element first and inspect the inside of the housing. If dust reached the safety element, the job is no longer just a quick outer-filter swap.
Should I use engine displacement to verify a Massey Ferguson 8120 filter?
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 masseyferguson.com website before ordering or installing an air filter.
