The Cub Cadet 1238 tractor primary engine air filter part number found is 751-15245. Cross-reference filters include WIX 49020; NAPA 49020. Service guidance is to check the air filter every 100 hours.
Primary air filter751-15245
Cross-referenceWIX 49020
Engine power12 hp
Service intervalCheck every 100 hours
Cub Cadet 1238 Air Filter Specs
Primary air filter part number
751-15245
Cross-reference filters
WIX 49020; NAPA 49020
Replacement interval
Check every 100 hours
Number of air filter elements
1 element (primary)
Engine horsepower
12 hp
Engine displacement
21 cu in (0.34 L)
Cub Cadet 1238 Air Filter Charts
Engine horsepower
This model
12 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
Air filter service interval
This model
100 hr
Average
50 hr
Low
25 hr
High
100 hr
Cub Cadet 1238 Air Filter FAQ
What air filter does the Cub Cadet 1238 use?
The primary engine air filter part number found for the Cub Cadet 1238 is 751-15245.
What air filter cross-references fit the Cub Cadet 1238?
Cross-reference filters found for the Cub Cadet 1238 include WIX 49020; NAPA 49020.
Can I use an aftermarket air filter on the Cub Cadet 1238?
The Cub Cadet 1238 has 2 cross-reference filters listed, starting with WIX 49020. Use them as aftermarket leads, not as a replacement for checking the original part number 751-15245.
How often should the Cub Cadet 1238 air filter be checked or replaced?
The service guidance found for the Cub Cadet 1238 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 Cub Cadet 1238?
This page confirms 1 element (primary). 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 Cub Cadet 1238 air filter page?
Engine specs found for the Cub Cadet 1238 include 12 hp, 21 cu in (0.34 L). Those specs help identify the tractor class, but the air filter should still be matched by part number 751-15245.
Should I order the Cub Cadet 1238 air filter by size or part number?
The OEM-style number 751-15245 should be the main lookup value for the Cub Cadet 1238; the cross-reference numbers are useful when shopping WIX, Baldwin, Donaldson or similar brands.
What should I confirm before buying a Cub Cadet 1238 air filter?
For the Cub Cadet 1238, confirm 751-15245 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.
