BALDWIN FILTERS RS3509 is a radial seal inner air element that serves as the inner filtration stage in Baldwin’s radial-seal air filter housings. It measures 13-3/16 inches in length and height, with a 7-1/4 inch width and an outside diameter of 7-1/4 inches, ensuring a precise footprint for RS3509-style assemblies. This part is cataloged and sold under the RS3509 designation across multiple distributors, confirming its exact dimensions and fit for heavy-duty equipment and commercial vehicles that rely on Baldwin radial-seal inner air filtration.
