Clean air is just as important to your outboard as clean fuel - especially on high-output engines like the Mercury L4 Verado. The Mercury Marine Powerhead Air Filter - 35-896247 is designed to make sure nothing but fresh air flows into the powerhead, keeping debris, dust, and moisture from finding their way into the system where they could cause damage over time.. This isn't just another generic filter. It's built specifically for the L4 Verado, so it fits the powerhead housing perfectly, sealing tight to block out unfiltered air. The filter media itself is engineered to trap fine particles without choking off the airflow your engine needs, striking the right balance between protection and performance - because an engine that can't breathe can't perform.. What makes this filter a smart choice:. Precision fit for Mercury L4 Verado outboards - no trimming, no guesswork. High-efficiency media captures fine debris without restricting airflow. Seals securely to keep contaminants out of the