Mercury 8M0215915 Bravo One Sterndrive - 300-Hour Maintenance KitMercury Precision Parts 300 Hour Maintenance Kit 8M0215915 contains all the parts you need to complete a 300-hour service on MerCruiser Bravo One sterndrives (2017 and newer) in one convenient packageEngine Part ApplicationFor 2017 and newer Bravo One drives (s/n 2A514803 & up)Key Product Features: Fits MerCruiser Bravo One sterndrives (2017 and newer); Contains the sterndrive install gasket kit, aluminum anode kit, gearcase drain seals, transom repair kit, shift cable kit, gearcase fill and drain screws; Mercury maintenance kits feature premium-quality oil and fuel filters with high internal pleat counts for superior filtration and heavy-duty electroplated housings that prevent corrosion; Complete your service with genuine Mercury 4-Stroke Marine Engine Oil and Mercury Premium Gear Lube (858058K01). Sold separately.; Mercury parts and accessories are backed by decades of experience in engineering, testing and manufacturing to provide the best fit, function and performance;