The Kubota Z251KH tractor primary engine air filter part number found is K1211-82320. Cross-reference filters include WIX 46449; Baldwin RS3715; Donaldson P822686. Service guidance is to check the air filter every 100 hours.
Primary air filterK1211-82320
Cross-referenceWIX 46449
Engine power25 hp
Service intervalCheck every 100 hours
Kubota Z251KH Air Filter Specs
Primary air filter part number
K1211-82320
Cross-reference filters
WIX 46449; Baldwin RS3715; Donaldson P822686
Replacement interval
Check every 100 hours
Number of air filter elements
1 element (primary)
Engine model
Kohler ZT740 e
Engine horsepower
25 hp
Engine displacement
45.6 cu in (0.75 L)
Kubota Z251KH Air Filter Charts
Engine horsepower
This model
25 hp
Average
23 hp
Low
12 hp
High
40 hp
Engine displacement
This model
45.6 cu in
Average
48 cu in
Low
25 cu in
High
80 cu in
Air filter service interval
This model
100 hr
Average
50 hr
Low
25 hr
High
100 hr
Kubota Z251KH Air Filter FAQ
What air filter does the Kubota Z251KH use?
The primary engine air filter part number found for the Kubota Z251KH is K1211-82320.
What air filter cross-references fit the Kubota Z251KH?
Cross-reference filters found for the Kubota Z251KH include WIX 46449; Baldwin RS3715; Donaldson P822686.
Can I use an aftermarket air filter on the Kubota Z251KH?
The Kubota Z251KH has 3 cross-reference filters listed, starting with WIX 46449. Use them as aftermarket leads, not as a replacement for checking the original part number K1211-82320.
How often should the Kubota Z251KH air filter be checked or replaced?
The service guidance found for the Kubota Z251KH is to check the air filter every 100 hours. That is longer than the reference average of 50 hours for this class, so still shorten the interval when the machine is used in heavy dust.
How many air filter elements are listed for the Kubota Z251KH?
This page confirms 1 element (primary). No separate safety or pre-filter part number was found for this model, so inspect the actual air-cleaner housing before assuming it uses only one piece.
Why include engine specs on a Kubota Z251KH air filter page?
Engine specs found for the Kubota Z251KH include 25 hp, 45.6 cu in (0.75 L). Those specs help identify the tractor class, but the air filter should still be matched by part number K1211-82320.
Should I order the Kubota Z251KH air filter by size or part number?
For the Kubota Z251KH, use K1211-82320 as the main part number and treat the cross-reference list as aftermarket buying leads.
What should I confirm before buying a Kubota Z251KH air filter?
For the Kubota Z251KH, confirm K1211-82320 against the parts manual, then use the cross-reference list only after the OEM number matches.
Official information note
Air filter fit can change by engine, serial number, production year and air-cleaner housing. Check the operator manual, parts manual and official kubotausa.com website before buying or fitting an air filter.
