LIQUI MOLY – LIQUI MOLY Marine & PWC Oils - Bulk (20L and 205L), including 20L Marine 4T Motor Oil SAE 10W30, 10W40 and 25W40, Marine 4T New Generation SAE 15W40, Marine PWC Oil SAE 10W40, Marine 2T DFI, Marine High Performance Gear Oil SAE 85W90, and Marine Fully Synthetic Gear Oil 75W90. Dealerships, marinas, rental fleets and busy home shops burn through oil faster than quart bottles make sense for, and bulk packaging solves both the cost per litre and the packaging waste. These 20L canisters and drums cover the same proven marine formulas as the smaller sizes, so a service department can standardise on one fill across an entire dock. The Marine 4T grades handle outboards and sterndrives from cool-water cruising to sustained wide-open running in heat, Marine PWC Oil SAE 10W40 covers high-rpm ski engines, and Marine 2T DFI serves direct-injection two-stroke outboards that meter oil precisely and demand clean burn. Just as important, the lower units are covered too: Marine High Performance Gear Oil SAE 85W90 and the fully synthetic GL4/GL5 75W90 protect gearcase teeth and bearings against shock loading and water intrusion, which is where most outboard failures actually start.