The Massey Ferguson 492 tractor primary air filter part number is 7068311M91. The inner safety filter is 3901464M1.
Massey Ferguson 492 Air Filter Details
Primary air filter part number
7068311M91
Inner safety air filter part number
3901464M1
Outer air filter part number
2127378K1
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.
Massey Ferguson 492 Extra Air Filter Notes
Engine model
Perkins 1104C-44T
Engine horsepower
99 hp | 73.8 kW
Primary filter note
For the Massey Ferguson 492, the listed primary air filter part number is 7068311M91. 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 3901464M1. 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.
Massey Ferguson 492 Air Filter FAQs
What is the most reliable way to confirm a Massey Ferguson 492 air filter?
The safest match is not just the printed number. Use 7068311M91, then check whether the element seats fully without forcing the cover.
What should I buy for a full Massey Ferguson 492 air-filter 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 2127378K1 when you meant the safety filter, or 3901464M1 when you meant the outer filter.
Should I buy separate outer and primary filters for a Massey Ferguson 492?
The outer filter is the dirt-catcher; the inner filter is the backup. Service them with different expectations instead of replacing both out of habit.
Can the Massey Ferguson 492 lose power from a dirty 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.
What does the Massey Ferguson 492 air-filter part-number pattern tell me?
The main number 7068311M91 should be treated as the control number. The other numbers need their own fitment checks, not blind substitution.
Can the same Massey Ferguson 492 use different air filters?
The engine clue is helpful, but the filter still has to seal in the actual housing. Fit beats theory here.
Can I clean the Massey Ferguson 492 inner safety filter?
No. The inner safety element is backup protection, not the part to disturb every time. Leave it seated while the outer element is out so dust cannot fall into the intake.
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.
