The Kubota KL21 tractor primary engine air filter part number found is 59700-26112. Cross-reference filters include WIX 49491; NAPA 49491; Baldwin PA2020; Donaldson P181198. Service guidance is to check the air filter every 100 hours.
The primary engine air filter part number found for the Kubota KL21 is 59700-26112.
What air filter cross-references fit the Kubota KL21?
Cross-reference filters found for the Kubota KL21 include WIX 49491; NAPA 49491; Baldwin PA2020; Donaldson P181198.
Can I use an aftermarket air filter on the Kubota KL21?
The Kubota KL21 has 4 cross-reference filters listed, starting with WIX 49491. Use them as aftermarket leads, not as a replacement for checking the original part number 59700-26112.
How often should the Kubota KL21 air filter be checked or replaced?
The service guidance found for the Kubota KL21 is to check the air filter every 100 hours. That matches the reference average of 100 hours used for this class.
How many air filter elements are listed for the Kubota KL21?
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 KL21 air filter page?
For the Kubota KL21, the engine specs found are 20.7 hp, 85.4 cu in (1.4 L). This is useful context when comparing similar models, but not a substitute for checking the filter number 59700-26112.
Should I order the Kubota KL21 air filter by size or part number?
The OEM-style number 59700-26112 should be the main lookup value for the Kubota KL21; the cross-reference numbers are useful when shopping WIX, Baldwin, Donaldson or similar brands.
What should I confirm before buying a Kubota KL21 air filter?
For the Kubota KL21, confirm 59700-26112 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.
