The Kubota BX1870 tractor primary engine air filter part number found is K1211-82110. Cross-reference filters include WIX 46449; Baldwin RS3715; Donaldson P822686; FRAM CA940; more listed below. Filter dimensions found include Outer diameter: 3.28 in / 83 mm; Inner diameter: 1.81 in / 46 mm. Service guidance is to check the air filter every 100 hours.
Primary air filterK1211-82110
Cross-referenceWIX 46449
Filter sizeOuter diameter: 3.28 in / 83 mm
Service intervalCheck every 100 hours
Kubota BX1870 Air Filter Specs
Primary air filter part number
K1211-82110
Cross-reference filters
WIX 46449; Baldwin RS3715; Donaldson P822686; FRAM CA940; Stens 20-5115
Air filter size
Outer diameter: 3.28 in / 83 mm; Inner diameter: 1.81 in / 46 mm
Outer diameter
3.28 in / 83 mm
Inner diameter
1.81 in / 46 mm
Replacement interval
Check every 100 hours
Number of air filter elements
2 elements (primary, pre-filter)
Engine displacement
67.1 cu in (1.1 L)
Kubota BX1870 Air Filter Charts
Air filter dimensions
Outer diameter
3.28 in
Inner diameter
1.81 in
Engine displacement
This model
67.1 cu in
Average
95 cu in
Low
45 cu in
High
180 cu in
Air filter service interval
This model
100 hr
Average
100 hr
Low
50 hr
High
200 hr
Kubota BX1870 Air Filter FAQ
What air filter does the Kubota BX1870 use?
The primary engine air filter part number found for the Kubota BX1870 is K1211-82110.
What air filter cross-references fit the Kubota BX1870?
Cross-reference filters found for the Kubota BX1870 include WIX 46449; Baldwin RS3715; Donaldson P822686; FRAM CA940; Stens 20-5115.
Can I use an aftermarket air filter on the Kubota BX1870?
The Kubota BX1870 has 5 cross-reference filters listed, starting with WIX 46449. For aftermarket buying, compare brand part number, dimensions, seal shape and air-cleaner housing fit.
What size is the Kubota BX1870 air filter?
The air filter dimensions found for the Kubota BX1870 are Outer diameter: 3.28 in / 83 mm; Inner diameter: 1.81 in / 46 mm. Use these dimensions as a fit check, but treat the part number as the main match.
How often should the Kubota BX1870 air filter be checked or replaced?
The service guidance found for the Kubota BX1870 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 BX1870?
This page confirms 2 elements (primary, pre-filter). 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 BX1870 air filter page?
Engine specs found for the Kubota BX1870 include 67.1 cu in (1.1 L). Those specs help identify the tractor class, but the air filter should still be matched by part number K1211-82110.
Should I order the Kubota BX1870 air filter by size or part number?
The safest buying order for the Kubota BX1870 is OEM part number first, then cross-reference brand, then physical size. For this page, that means K1211-82110 first and Outer diameter: 3.28 in / 83 mm; Inner diameter: 1.81 in / 46 mm as a fit check.
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.
