The Cub Cadet GT 2521 tractor primary engine air filter part number found is 951-15245. Cross-reference filters include WIX 46387; Baldwin BF7903; Donaldson P526801.
Primary air filter951-15245
Cross-referenceWIX 46387
Engine power21 hp
Cub Cadet GT 2521 Air Filter Specs
Primary air filter part number
951-15245
Pre-filter
937-05066-AND-THE-PAPER-A-AND-937-05066
Cross-reference filters
WIX 46387; Baldwin BF7903; Donaldson P526801
Number of air filter elements
2 elements (primary, pre-filter)
Engine horsepower
21 hp
Engine displacement
44.2 cu in (0.72 L)
Cub Cadet GT 2521 Air Filter Charts
Engine horsepower
This model
21 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
Cub Cadet GT 2521 Air Filter FAQ
What air filter does the Cub Cadet GT 2521 use?
The primary engine air filter part number found for the Cub Cadet GT 2521 is 951-15245.
What air filter cross-references fit the Cub Cadet GT 2521?
Cross-reference filters found for the Cub Cadet GT 2521 include WIX 46387; Baldwin BF7903; Donaldson P526801.
Can I use an aftermarket air filter on the Cub Cadet GT 2521?
The Cub Cadet GT 2521 has 3 cross-reference filters listed, starting with WIX 46387. Use them as aftermarket leads, not as a replacement for checking the original part number 951-15245.
How many air filter elements are listed for the Cub Cadet GT 2521?
This page lists 2 elements (primary, pre-filter). The pre-filter is separate from the main paper element and should not be confused with the primary filter number.
Why include engine specs on a Cub Cadet GT 2521 air filter page?
For the Cub Cadet GT 2521, the engine specs found are 21 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 951-15245.
Should I order the Cub Cadet GT 2521 air filter by size or part number?
Start with 951-15245 when checking fitment for the Cub Cadet GT 2521. 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 Cub Cadet GT 2521 air filter?
For the Cub Cadet GT 2521, confirm 951-15245 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 cubcadet.com website before buying or fitting an air filter.
