Description
When you’re running equipment with a two-stage air filtration system, this inner filter element is your engine’s last line of defense against the fine dust and particles that make it past the outer filter. If the outer element is your first barrier, this inner filter is what catches the stuff that really wants to damage your engine internals. It’s the safety net that keeps working when conditions get tough, and without it, even the smallest particles can turn expensive engine components into scrap metal.
What You’re Getting
- Precise 12 1/16-inch length and 2 3/4-inch outer diameter for exact OEM fitment
- High-efficiency filtration media that captures fine particles while maintaining airflow
- Robust construction designed to handle vibration and temperature swings
- Fits inside RS3942 outer filter element for complete two-stage protection
Built for Real Farm Work
This inner filter works with various makes including Massey Ferguson tractors, Ahlmann loaders, Atlas Copco compressors, Bomag compactors, and Melroe-Bobcat equipment. Whether you’re running a utility tractor for hay operations, operating a compact loader around the farmyard, or using industrial equipment for construction tasks, this filter protects engines that power everything from daily chores to heavy-duty operations.
Made to Last
Baldwin has been making quality filters for decades, and they understand what it takes to survive in harsh agricultural and industrial conditions. This inner element uses quality filtration media that maintains its structure even when loaded with fine particles, while the end caps stay sealed tight through constant vibration and temperature changes.
Good to Know
Always replace both inner and outer filter elements together during service—using just one new filter while leaving the old one in place defeats the purpose of two-stage filtration. Check your air cleaner housing for cracks or loose clamps while you’ve got it apart, since any air leak bypasses your entire filtration system. Keep spare sets on hand during dusty seasons when you might need to service filters more frequently.





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