Cub Cadet 81 Air Filter: Part Number, Size & Cross Reference

Quick answer:

The Cub Cadet 81 tractor primary engine air filter part number found is KH-47-083-01. Cross-reference filters include WIX 46387; Donaldson P526801. Filter dimensions found include Height: 1.75 in / 44 mm; Outer diameter: 7 in / 178 mm; Inner diameter: 5.5 in / 140 mm.

Primary air filterKH-47-083-01
Cross-referenceWIX 46387
Filter height1.75 in / 44 mm
Engine power10 hp

Cub Cadet 81 Air Filter Specs

Primary air filter part number KH-47-083-01
Secondary / safety air filter 751-15245
Cross-reference filters WIX 46387; Donaldson P526801
Air filter size Height: 1.75 in / 44 mm; Outer diameter: 7 in / 178 mm; Inner diameter: 5.5 in / 140 mm
Filter height 1.75 in / 44 mm
Outer diameter 7 in / 178 mm
Inner diameter 5.5 in / 140 mm
Number of air filter elements 2 elements (primary, secondary)
Engine horsepower 10 hp
Engine displacement 21 cu in (0.34 L)

Cub Cadet 81 Air Filter Charts

Air filter dimensions

Height

1.75 in

Outer diameter

7 in

Inner diameter

5.5 in

Engine horsepower

This model

10 hp

Average

23 hp

Low

12 hp

High

40 hp

Engine displacement

This model

21 cu in

Average

48 cu in

Low

25 cu in

High

80 cu in

Cub Cadet 81 Air Filter FAQ

What air filter does the Cub Cadet 81 use? The primary engine air filter part number found for the Cub Cadet 81 is KH-47-083-01.
What air filter cross-references fit the Cub Cadet 81? Cross-reference filters found for the Cub Cadet 81 include WIX 46387; Donaldson P526801.
Can I use an aftermarket air filter on the Cub Cadet 81? The Cub Cadet 81 has 2 cross-reference filters listed, starting with WIX 46387. For aftermarket buying, compare brand part number, dimensions, seal shape and air-cleaner housing fit.
What size is the Cub Cadet 81 air filter? The air filter dimensions found for the Cub Cadet 81 are Height: 1.75 in / 44 mm; Outer diameter: 7 in / 178 mm; Inner diameter: 5.5 in / 140 mm. Use these dimensions as a fit check, but treat the part number as the main match.
How many air filter elements are listed for the Cub Cadet 81? This page lists 2 elements (primary, secondary). That means the safety element should be treated separately from the outer primary air filter.
Why include engine specs on a Cub Cadet 81 air filter page? For the Cub Cadet 81, the engine specs found are 10 hp, 21 cu in (0.34 L). This is useful context when comparing similar models, but not a substitute for checking the filter number KH-47-083-01.
Should I order the Cub Cadet 81 air filter by size or part number? For the Cub Cadet 81, start with the primary part number KH-47-083-01, then use the listed cross-references and the dimensions value as secondary checks before buying.
What should I confirm before buying a Cub Cadet 81 air filter? For the Cub Cadet 81, confirm KH-47-083-01, at least one listed cross-reference, and the dimensions value of Height: 1.75 in / 44 mm; Outer diameter: 7 in / 178 mm; Inner diameter: 5.5 in / 140 mm against the actual filter before ordering.
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 cubcadet.com website before buying or fitting an air filter.