A-04318403-AI Assembly, Pre-CleanerOne New Aftermarket Replacement Pre Cleaner Assembly for Multi Brand Agricultural and Construction Equipment This air pre cleaner assembly mounts atop the primary air intake stack and uses centrifugal action to remove large dust, chaff, and debris particles before they reach the main air filter element. Protecting engine air filtration on a wide range of tractors, crawlers, pavers, loaders, and construction equipment, this assembly is a direct fit