Suzuki DF9.9B DF15A DF20A Service Kit - 10W40 Ecstar Oil - 2013 to Current. Complete OEM Service Kit Includes Oil, Gear Lube, and Service Kit 17400-89812 Designed for Suzuki DF9.9B, DF15A, and DF20A Outboards. The Suzuki DF9.9B DF15A DF20A Service Kit provides everything you need for routine maintenance of your 2013 and newer DF9.9B, DF15A, and DF20A four-stroke outboards. Each kit includes 2 quarts of Suzuki Ecstar 10W40 marine oil, 1 quart of Suzuki gear lube, and the genuine 17400-89812 OEM s