Kubota Z231BR Air Filter: Part Number, Size & Cross Reference

Quick answer:

The Kubota Z231BR tractor primary engine air filter part number found is K1211-82320. Cross-reference filters include WIX 46449; Baldwin RS3715; Donaldson P181195; FRAM CA11049. Service guidance is to check the air filter every 100 hours.

Primary air filterK1211-82320
Cross-referenceWIX 46449
Engine power22 hp
Service intervalCheck every 100 hours

Kubota Z231BR Air Filter Specs

Primary air filter part number K1211-82320
Cross-reference filters WIX 46449; Baldwin RS3715; Donaldson P181195; FRAM CA11049
Replacement interval Check every 100 hours
Number of air filter elements 2 elements (primary, secondary)
Engine horsepower 22 hp
Engine displacement 44.2 cu in (0.72 L)

Kubota Z231BR Air Filter Charts

Engine horsepower

This model

22 hp

Average

23 hp

Low

12 hp

High

40 hp

Engine displacement

This model

44.2 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 Z231BR Air Filter FAQ

What air filter does the Kubota Z231BR use? The primary engine air filter part number found for the Kubota Z231BR is K1211-82320.
What air filter cross-references fit the Kubota Z231BR? Cross-reference filters found for the Kubota Z231BR include WIX 46449; Baldwin RS3715; Donaldson P181195; FRAM CA11049.
Can I use an aftermarket air filter on the Kubota Z231BR? The Kubota Z231BR has 4 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 Z231BR air filter be checked or replaced? The service guidance found for the Kubota Z231BR 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 Z231BR? This page confirms 2 elements (primary, secondary). 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 Z231BR air filter page? For the Kubota Z231BR, the engine specs found are 22 hp, 44.2 cu in (0.72 L). This is useful context when comparing similar models, but not a substitute for checking the filter number K1211-82320.
Should I order the Kubota Z231BR air filter by size or part number? Start with K1211-82320 when checking fitment for the Kubota Z231BR. Cross-reference filters can save time, but should still match the housing and engine fitted to your machine.
What should I confirm before buying a Kubota Z231BR air filter? For the Kubota Z231BR, 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.