The Massey Ferguson 4243 tractor primary air filter part number is 3703703M91. The inner safety filter is 3703704M91.
Massey Ferguson 4243 Air Filter Details
Primary air filter part number
3703703M91
Inner safety air filter part number
3703704M91
Outer air filter part number
7068069M1
Cross-reference part numbers
3701015M91, 3701015V92
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 4243 Extra Air Filter Notes
Engine model
Perkins 1004.4TW
Engine horsepower
85 hp | 63.4 kW
Primary filter note
For the Massey Ferguson 4243, the listed primary air filter part number is 3703703M91. 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 7068069M1.
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.
Cross-reference note
Possible cross-reference numbers found for the Massey Ferguson 4243: 3701015M91, 3701015V92. Treat these as secondary checks after the primary filter number.
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 4243 Air Filter FAQs
How should I verify the Massey Ferguson 4243 air filter before fitting it?
The safest match is not just the printed number. Use 3703703M91, then check whether the element seats fully without forcing the cover. The primary and inner numbers look similar at the end, so check the full number carefully before ordering.
Which Massey Ferguson 4243 air-filter parts should be changed together?
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 7068069M1 when you meant the safety filter, or 3703704M91 when you meant the outer filter.
Can a dirty air filter affect Massey Ferguson 4243 performance?
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.
Can I use aftermarket cross-reference filters on a Massey Ferguson 4243?
Use the two cross-refs as alternate leads. If either one disagrees with 3703703M91 or the physical dimensions, ignore it.
Can a similar Massey Ferguson 4243 air-filter number still be wrong?
The main number 3703703M91 should be treated as the control number. The other numbers need their own fitment checks, not blind substitution.
What does the outer-filter listing mean for the Massey Ferguson 4243?
This is not a one-number job. The outer and inner elements have different jobs, so compare both old parts before buying a kit.
Should the Massey Ferguson 4243 engine family be checked before ordering?
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 masseyferguson.com website before ordering or installing an air filter.
