Sierra 25W40-4-Stroke Engine Oil - Merc 92-857389A3 (5 Quart)
18-9400-4 Size: 5 qt Features: -Stern drive and inboard engines operate under high load and running stresses.-Developed for the marine environment and will out perform standard 4-cycle autom.-Has been formulated to provide excellent lubrication and corrosion protection.-Made in the USA. Specifications: -25W40 Stern drive.