Quick answer:
The Cub Cadet 129 tractor primary engine air filter part number found is 385168. Cross-reference filters include WIX 42080; Baldwin PA2020. Service guidance is to check the air filter every 100 hours.
Primary air filter385168
Cross-referenceWIX 42080
Engine power12 hp
Service intervalCheck every 100 hours
Cub Cadet 129 Air Filter Specs
| Primary air filter part number | 385168 |
|---|---|
| Pre-filter | 937-05066-AND-737-05066 |
| Cross-reference filters | WIX 42080; Baldwin PA2020 |
| Replacement interval | Check every 100 hours |
| Number of air filter elements | 2 elements (primary, pre-filter) |
| Engine horsepower | 12 hp |
| Engine displacement | 18.4 cu in (0.3 L) |
Cub Cadet 129 Air Filter Charts
Engine horsepower
Engine displacement
Air filter service interval
Cub Cadet 129 Air Filter FAQ
| What air filter does the Cub Cadet 129 use? | The primary engine air filter part number found for the Cub Cadet 129 is 385168. |
|---|---|
| What air filter cross-references fit the Cub Cadet 129? | Cross-reference filters found for the Cub Cadet 129 include WIX 42080; Baldwin PA2020. |
| Can I use an aftermarket air filter on the Cub Cadet 129? | The Cub Cadet 129 has 2 cross-reference filters listed, starting with WIX 42080. Use them as aftermarket leads, not as a replacement for checking the original part number 385168. |
| How often should the Cub Cadet 129 air filter be checked or replaced? | The service guidance found for the Cub Cadet 129 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 129? | 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 129 air filter page? | The engine data kept for the Cub Cadet 129 is 12 hp, 18.4 cu in (0.3 L). Use it as supporting context only; the actual filter match is still driven by the air-cleaner housing and part number 385168. |
| Should I order the Cub Cadet 129 air filter by size or part number? | For the Cub Cadet 129, use 385168 as the main part number and treat the cross-reference list as aftermarket buying leads. |
| What should I confirm before buying a Cub Cadet 129 air filter? | For the Cub Cadet 129, confirm 385168 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.

