The Massey Ferguson 274S tractor primary air filter part number is 3703704M91. The inner safety filter is 6242781M91.
Massey Ferguson 274S Air Filter Details
Primary air filter part number
3703704M91
Inner safety air filter part number
6242781M91
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 274S Extra Air Filter Notes
Engine model
Perkins 3.9L
Engine displacement
3.9 L | 238 cu in
Engine horsepower
60 hp | 44.7 kW
Primary filter note
For the Massey Ferguson 274S, the listed primary air filter part number is 3703704M91. 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 6242781M91. 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
This sits in the utility range. The 300-hour guide is useful for planning, but dusty work should shorten the inspection cycle.
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 274S Air Filter FAQs
Which Massey Ferguson 274S 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 2127378K1 when you meant the safety filter, or 6242781M91 when you meant the outer filter.
What should I check before ordering a Massey Ferguson 274S air filter?
Because this listing shows a primary, outer and inner safety element setup, the risk is ordering one correct number and one wrong companion element. Keep 3703704M91 as the main reference, then confirm the other elements separately.
How do the Massey Ferguson 274S outer and primary filters differ?
Multiple numbers usually means a staged air cleaner. Replace the loaded outer element first, then inspect the safety element without exposing the clean intake to dust.
When does the Massey Ferguson 274S air filter become a performance problem?
This sits in the utility range. The 300-hour guide is useful for planning, but dusty work should shorten the inspection cycle.
Can I ignore letters or suffixes in the Massey Ferguson 274S filter number?
The main number 3703704M91 should be treated as the control number. The other numbers need their own fitment checks, not blind substitution.
How does engine data help with a Massey Ferguson 274S air-filter check?
The engine specs explain service urgency, while the filter number proves fitment. Mixing those two up is how people order the wrong element.
Can I clean the Massey Ferguson 274S 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.
