Suzuki DF9.9A Service Kit - 10W40 Ecstar Oil - 2010 to Current. Complete OEM Service Kit Includes Oil, Gear Lube, and Service Kit 17400-99840 Designed for Suzuki DF9.9A Outboards. The Suzuki DF9.9A Service Kit provides everything needed to perform routine maintenance on your 2010 and newer DF9.9A four-stroke outboard. This package includes 1 quart of Suzuki Ecstar 10W40 marine oil, 1 quart of Suzuki gear lube, and the genuine 17400-99840 OEM service kit, giving you OEM-approved fluids and components in one convenient bundle.. Using genuine Suzuki lubricants and service parts helps extend engine life, improve reliability, and keep your outboard running at peak performance in both freshwater and saltwater.. Kit Contents:. 1 Quart - Suzuki Ecstar 10W40 Marine Oil - Premium four-stroke outboard oil formulated for Suzuki engines.. 1 Quart - Suzuki Gear Lube - High-quality marine gear lube designed for smooth, long-lasting gear protection.. 17400-99840 OEM Service Kit - Includes the OEM comp