The Massey Ferguson 2635 tractor primary air filter part number is 1026131M1. The inner safety filter is 3703704M91.
Massey Ferguson 2635 Air Filter Details
Primary air filter part number
1026131M1
Inner safety air filter part number
3703704M91
Outer air filter part number
4379574M1
Air filter dimensions
Length: 9.4 in | Outside diameter: 4.1 in | Inside diameter: 0.4 in
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
300 hrs
Light use
600 hrs
Listed Filter Size Check
Length
9.4 in
Outside diameter
4.1 in
Inside diameter
0.4 in
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 2635 Extra Air Filter Notes
Engine model
TSJ436E turbocharged
Engine horsepower
75 hp | 56 kW
Primary filter note
For the Massey Ferguson 2635, the listed primary air filter part number is 1026131M1. 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 4379574M1.
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 | Inside diameter: 0.4 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
The important combo is power plus element size. That tells you whether restriction is a real working problem or mainly a fit/seal problem.
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 2635 Air Filter FAQs
What is the safest way to match a Massey Ferguson 2635 air filter?
Do not buy from the title alone. Match 1026131M1 against the removed filter, then check gasket shape, end-cap depth and cover fit before starting the tractor.
Should I order one filter or a full Massey Ferguson 2635 air-filter set?
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 4379574M1 when you meant the safety filter, or 3703704M91 when you meant the outer filter.
Why compare Massey Ferguson 2635 horsepower with filter dimensions?
Comparing power and element size helps catch bad cross-references. A tiny replacement for a harder-working engine should make you suspicious before installing it.
Should I trust Massey Ferguson 2635 air-filter dimensions or the part number?
A mid-size element can still have different end caps across brands. Use size to narrow the search, then use the part number and seal style to make the decision.
What symptoms point to air restriction on a Massey Ferguson 2635?
The important combo is power plus element size. That tells you whether restriction is a real working problem or mainly a fit/seal problem.
What part-number mistake should I avoid on a Massey Ferguson 2635?
The main number 1026131M1 should be treated as the control number. The other numbers need their own fitment checks, not blind substitution.
What order should I check the Massey Ferguson 2635 air-filter elements?
Use 4379574M1 to check the service element and 3703704M91 to check the safety element. Do not assume one substitutes for the other.
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.
