The Massey Ferguson 42 tractor primary air filter part number is 3703703M91. The inner safety filter is 3703704M91.
Massey Ferguson 42 Air Filter Details
Primary air filter part number
3703703M91
Inner safety air filter part number
3703704M91
Outer air filter part number
7068069M1
Air filter dimensions
Length: 16.5 in
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 42 Extra Air Filter Notes
Engine model
Perkins 2.5L
Engine displacement
2.5 L | 152.6 cu in
Engine horsepower
42 hp | 31.3 kW
Primary filter note
For the Massey Ferguson 42, 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
Listed dimensions: Length: 16.5 in. Use dimensions as a second check, not as the only buying method.
Filter size note
The listed dimensions point to a long element length at 16.5 in. Use that as a fitment sanity check against the old filter.
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
Engine size is useful context for service urgency, not a license to ignore the part number. The canister and seal decide fitment.
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 42 Air Filter FAQs
What would make a Massey Ferguson 42 air filter cross-listing suspicious?
If the old filter is missing, use 3703703M91 plus the housing measurements as a two-step check. If either the seal or cover depth is wrong, do not run it.
Is the Massey Ferguson 42 air filter a one-part or multi-part 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 7068069M1 when you meant the safety filter, or 3703704M91 when you meant the outer filter.
Should I trust Massey Ferguson 42 air-filter dimensions or the part number?
A single measurement can catch a wildly wrong filter, but it cannot prove the seal. You still need the end-cap and gasket style to match.
Can the Massey Ferguson 42 lose power from a dirty air filter?
This sits in the utility range. The 300-hour guide is useful for planning, but dusty work should shorten the inspection cycle.
How should I read the Massey Ferguson 42 air-filter number?
The main number 3703703M91 should be treated as the control number. The other numbers need their own fitment checks, not blind substitution.
Is the Massey Ferguson 42 outer filter the same as the primary filter?
Use 7068069M1 to check the service element and 3703704M91 to check the safety element. Do not assume one substitutes for the other.
Does engine size prove the Massey Ferguson 42 air-filter part number?
Engine size is useful context for service urgency, not a license to ignore the part number. The canister and seal decide fitment.
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.
