The Massey Ferguson 178 tractor primary air filter part number is 1887574M91. The inner safety filter is 1887575M91.
Massey Ferguson 178 Air Filter Details
Primary air filter part number
1887574M91
Inner safety air filter part number
1887575M91
Outer air filter part number
1887575M91
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 178 Extra Air Filter Notes
Engine model
Perkins A4.248
Engine horsepower
73 hp | 54.4 kW
Primary filter note
For the Massey Ferguson 178, the listed primary air filter part number is 1887574M91. 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 1887575M91.
Safety filter note
The listed inner safety air filter is 1887575M91. 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.
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 178 Air Filter FAQs
Is the Massey Ferguson 178 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 1887575M91 when you meant the safety filter, or 1887575M91 when you meant the outer filter.
Why should I compare the old Massey Ferguson 178 filter before buying?
The buying order should be: old filter number first, housing fit second, then cross-reference. Start with 1887574M91, but do not ignore the a primary, outer and inner safety element setup.
Why does the full Massey Ferguson 178 air-filter number matter?
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.
How do I avoid mixing up Massey Ferguson 178 outer and safety filters?
This is not a one-number job. The outer and inner elements have different jobs, so compare both old parts before buying a kit.
When does the Massey Ferguson 178 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.
Does the Massey Ferguson 178 engine setup affect air filter fitment?
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.
When should the Massey Ferguson 178 safety element be replaced?
The inner element is there for the mistake moment: a torn outer filter, bad seal or dusty service. Keep it clean and seated while working around 1887574M91.
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.
