Description
When you’re running heavy equipment like compressors and cranes in dusty job sites all day, clean air isn’t just about performance—it’s about keeping expensive machinery running strong. This outer air filter element is your engine’s first line of defense against the dust, chaff, and debris that can destroy bearings, cylinders, and rings in surprisingly short order. A clogged or damaged filter can cost you thousands in engine repairs and downtime when you need your equipment most.
What You’re Getting
- Large 20 9/16-inch filter length with maximum dirt-holding capacity for extended service intervals
- Multi-layer filtration media that catches fine dust while maintaining good airflow
- Robust construction designed to handle vibration, temperature swings, and the constant dirt loading that comes with outdoor work while keeping seals flexible
- Works as outer element with inner filter RS3996 for complete two-stage protection
Built for Heavy-Duty Work
This filter is designed for Atlas Copco compressors and mobile cranes from Demag, Grove, and Liebherr—machines that handle the toughest construction and industrial jobs. Whether you’re running a compressor for pneumatic tools on a construction site or operating a crane that spends its days moving materials through dusty conditions, this filter handles the contamination load that comes with serious commercial work.
Made to Last
Baldwin has been making filters for decades, and they know what it takes to survive in harsh conditions. The pleated media holds its shape even when loaded with dirt, and the seals stay flexible through temperature swings and vibration. You’ll get dependable filtration that protects your investment in expensive engine components.
Installation Notes
This is a direct replacement—no modifications needed. When swapping filters, take a minute to clean out the air box and check for any cracks in the housing or loose clamps. Remember that this works with the inner element RS3996 for complete protection—always service both filters together for maximum engine protection.






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