GENUINE FACTORY PARTS™ 4-Cycle SAE 10W-30 Engine Oil is formulated from high-quality mineral base stocks and engineered to help protect small engines found in riding and walk-behind lawn mowers. With added detergents and anti-wear agents, this oil helps reduce deposits, resist thermal breakdown, and maintain peak engine performance under high-load conditions. Designed specifically for 4-cycle air-cooled engines, it helps provide easy starts, smooth operation, and long engine life.