Suzuki - Genuine Engine Cover - DF4A / DF6A - 990C0-65021. Protect your Suzuki DF4A and DF6A Suzuki outboard engines from dust and debris with this custom-fitted engine cover. This cover is made from Sunbrella UV resistant, and water-repellent fabric, featuring genuine silk-screen printed Suzuki Four Stroke graphics. Features: Cover will fit DF4A/6A Suzuki outboards