Baldwin RS3521 cross reference
Radial Seal Inner Air Element
Parts listed as equivalent to the Baldwin RS3521. Checked 2026-11-11. Confirm thread size, gasket and length against your old part before installing, and follow your engine maker's spec.
What it fits
Freightliner Trucks
As published in Baldwin Product Guide (Form 562-25). Check your exact engine before buying.
Direct matches
- Donaldson P529548
Listed together on: Baldwin Product Guide (Form 562-25)