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The BALDWIN FILTERS PA3941 is a direct-replacement automotive air filter designed to protect internal combustion engines from airborne contaminants including dust, dirt, and debris. Installed in the engine air intake system, this filter prevents particulate matter from entering the combustion chamber, helping to maintain fuel efficiency and extend engine service life. It is a standard dry-element air filter suited for equipment maintenance performed by fleet technicians, diesel mechanics, and equipment service professionals. At 0.775 pounds, it is a lightweight single-unit replacement part packaged individually.
The PA3941 is used in equipment maintenance applications where a reliable OEM-style air filter replacement is required. It is identified as a direct cross-reference for the John Deere AR89381 air filter, making it a suitable service replacement for John Deere equipment applications that originally specified that part number. Technicians performing scheduled air filter service on qualifying equipment will find this a straightforward drop-in replacement.
The PA3941 is compatible with John Deere equipment that specifies part number AR89381. Confirm fitment against the equipment manufacturer service manual before installation.
Air filter replacement is typically performed by qualified diesel mechanics or equipment technicians during scheduled maintenance intervals. Shut down the engine and allow it to cool before accessing the air cleaner housing. Remove the old filter element carefully to avoid releasing trapped debris into the intake tract, and inspect the housing and sealing surfaces for damage before installing the new filter. Follow the equipment manufacturer service manual for torque and reassembly procedures.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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