The Massey Ferguson 234S tractor primary air filter part number is 3757472M91. The inner safety filter is 3703704M91.
Massey Ferguson 234S Air Filter Details
Primary air filter part number
3757472M91
Inner safety air filter part number
3703704M91
Outer air filter part number
1678294M1
Air filter dimensions
Length: 9.4 in | Outside diameter: 4.1 in
Cross-reference part numbers
167829, 3/32, 3/8
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
250 hrs
Light use
500 hrs
Listed Filter Size Check
Length
9.4 in
Outside diameter
4.1 in
These are practical inspection/replacement guide ranges for the compact tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
Massey Ferguson 234S Extra Air Filter Notes
Engine horsepower
25 hp | 18.6 kW
Primary filter note
For the Massey Ferguson 234S, the listed primary air filter part number is 3757472M91. 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 1678294M1.
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: 9.4 in | Outside diameter: 4.1 in. Use dimensions as a second check, not as the only buying method.
Filter size note
The listed dimensions point to a mid-size element length at 9.4 in and normal outside diameter at 4.1 in. Use that as a fitment sanity check against the old filter.
Power range note
Airflow demand rises with load. If the filter is undersized, damaged or badly seated, the engine can lose pull before the element looks completely plugged.
Cross-reference note
Possible cross-reference numbers found for the Massey Ferguson 234S: 167829, 3/32, 3/8. 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 234S Air Filter FAQs
Is airflow likely to be sensitive on the Massey Ferguson 234S?
If the tractor is under load, a marginal or dirty element will matter more than it does at idle. Use the size/power combo as a reason to inspect before heavy dusty jobs.
What is the safest way to match a Massey Ferguson 234S air filter?
Use 3757472M91 as the anchor number, then verify the old element and housing label. This is a Massey-style M-suffix number, and the setup looks like a primary, outer and inner safety element setup, so one loose search result is not enough. The size data points to a mid-size element, so compare the removed element against both length and outside diameter before fitting.
How do I avoid mixing up the Massey Ferguson 234S air-filter elements?
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 1678294M1 when you meant the safety filter, or 3703704M91 when you meant the outer filter.
Why can a similar-size filter still be wrong for a Massey Ferguson 234S?
A mid-size element should be compared against the removed element before fitting. The danger is a filter that fits loosely enough to bypass dust.
Which Massey Ferguson 234S air filter element should I service first?
This is not a one-number job. The outer and inner elements have different jobs, so compare both old parts before buying a kit.
Can a cross-reference filter fit badly on a Massey Ferguson 234S?
With multiple cross-refs, the safest move is to pick the one that agrees with the OEM number and the physical element. Do not let a marketplace compatibility table overrule the old filter.
Does engine power change how I service the Massey Ferguson 234S air filter?
Airflow demand rises with load. If the filter is undersized, damaged or badly seated, the engine can lose pull before the element looks completely plugged.
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.
