Vanguard OEM 100405Q Full Synthetic Commercial Engine Oil Vanguard OEM 100405Q Full Synthetic Commercial Engine Oil is designed to help protect hard-working outdoor power equipment and powersports engines in demanding commercial conditions. This oil is formulated for off-road air-cooled, liquid-cooled, gasoline, and diesel engine applications where heat, load, and long run times can quickly break down standard automotive oil. ⚠️ Before You Order – Verify Fitment Engine oil requirements can vary by engine model, operating temperature, application, and manufacturer specification. Always verify the correct oil viscosity and oil type for your specific engine before ordering. Not sure? Contact us with your engine model and serial number and we’ll help verify fitment. Sold as one 1 quart container. What This Part Does Helps protect commercial engines operating in extreme heat, load, and long run-time conditions Full synthetic formula helps reduce friction and engine wear Added zinc anti-wear additive helps protect critical engine components Designed for commercial outdoor power equipment and off-road engine applications Part Details Brand: Vanguard Part Number: 100405Q Oil Type: Full Synthetic Commercial Engine Oil Viscosity: 15W-50 Container Size: 1 Quart Fits Select Vanguard Applications Common application types may include: Commercial turf equipment Outdoor power equipment Agriculture equipment Construction equipment Golf equipment Marine and recreational powersports applications Known Listed Model References Vanguard Engines: Select air-cooled and liquid-cooled gasoline engine applications Commercial Equipment: Select mowers and off-road power equipment using Vanguard-approved oil specifications Important Fitment Notes Verify your engine’s required oil viscosity before ordering. This oil is designed for commercial engine applications, not general automotive use. Oil requirements may vary based on engine model, temperature range, and operating conditions. For best protection, follow the oil change interval listed in your engine owner’s manual.
