Quick answer:
The Kubota B2620 tractor primary engine air filter part number found is 99410. Cross-reference filters include WIX 42080; Baldwin PA2020; Donaldson P181052. Filter dimensions found include Height: 9.5 in / 241 mm; Outer diameter: 6.5 in / 165 mm; Inner diameter: 3.5 in / 89 mm. Service guidance is to check the air filter every 100 hours.
Primary air filter99410
Cross-referenceWIX 42080
Filter height9.5 in / 241 mm
Engine power26 hp
Service intervalCheck every 100 hours
Kubota B2620 Air Filter Specs
| Primary air filter part number | 99410 |
|---|---|
| Secondary / safety air filter | 32721-58242-AND-32721-58240 |
| Cross-reference filters | WIX 42080; Baldwin PA2020; Donaldson P181052 |
| Air filter size | Height: 9.5 in / 241 mm; Outer diameter: 6.5 in / 165 mm; Inner diameter: 3.5 in / 89 mm |
| Filter height | 9.5 in / 241 mm |
| Outer diameter | 6.5 in / 165 mm |
| Inner diameter | 3.5 in / 89 mm |
| Replacement interval | Check every 100 hours |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
| Engine horsepower | 26 hp |
| Engine displacement | 68.5 cu in (1.1 L) |
Kubota B2620 Air Filter Charts
Air filter dimensions
Engine horsepower
Engine displacement
Air filter service interval
Kubota B2620 Air Filter FAQ
| What air filter does the Kubota B2620 use? | The primary engine air filter part number found for the Kubota B2620 is 99410. |
|---|---|
| What air filter cross-references fit the Kubota B2620? | Cross-reference filters found for the Kubota B2620 include WIX 42080; Baldwin PA2020; Donaldson P181052. |
| Can I use an aftermarket air filter on the Kubota B2620? | The Kubota B2620 has 3 cross-reference filters listed, starting with WIX 42080. For aftermarket buying, compare brand part number, dimensions, seal shape and air-cleaner housing fit. |
| What size is the Kubota B2620 air filter? | The air filter dimensions found for the Kubota B2620 are Height: 9.5 in / 241 mm; Outer diameter: 6.5 in / 165 mm; Inner diameter: 3.5 in / 89 mm. Use these dimensions as a fit check, but treat the part number as the main match. |
| How often should the Kubota B2620 air filter be checked or replaced? | The service guidance found for the Kubota B2620 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 B2620? | This page lists 3 elements (primary, secondary, pre-filter). That means the safety element should be treated separately from the outer primary air filter. |
| Why include engine specs on a Kubota B2620 air filter page? | For the Kubota B2620, the engine specs found are 26 hp, 68.5 cu in (1.1 L). This is useful context when comparing similar models, but not a substitute for checking the filter number 99410. |
| Should I order the Kubota B2620 air filter by size or part number? | For the Kubota B2620, start with the primary part number 99410, then use the listed cross-references and the dimensions value as secondary checks before buying. |
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.

