Quick answer:
The Cub Cadet 1641 tractor primary engine air filter part number found is BS-394018.
Primary air filterBS-394018
Engine power16 hp
Cub Cadet 1641 Air Filter Specs
| Primary air filter part number | BS-394018 |
|---|---|
| Number of air filter elements | 2 elements (primary, secondary) |
| Engine horsepower | 16 hp |
| Engine displacement | 29.3 cu in (0.48 L) |
Cub Cadet 1641 Air Filter Charts
Engine horsepower
Engine displacement
Cub Cadet 1641 Air Filter FAQ
| What air filter does the Cub Cadet 1641 use? | The primary engine air filter part number found for the Cub Cadet 1641 is BS-394018. |
|---|---|
| How many air filter elements are listed for the Cub Cadet 1641? | This page confirms 2 elements (primary, secondary). 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 1641 air filter page? | For the Cub Cadet 1641, the engine specs found are 16 hp, 29.3 cu in (0.48 L). This is useful context when comparing similar models, but not a substitute for checking the filter number BS-394018. |
| Should I order the Cub Cadet 1641 air filter by size or part number? | For the Cub Cadet 1641, use BS-394018 as the main buying number. Model names can share similar parts, so confirm the serial range or engine before ordering. |
| What should I confirm before buying a Cub Cadet 1641 air filter? | For the Cub Cadet 1641, confirm BS-394018 against the parts manual or official Cub Cadet lookup because air-cleaner parts can change by serial range. |
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.

