GENUINE FACTORY PARTS™ SAE 10W-30 Engine Oil is specially formulated for small air-cooled engines found in riding and walk-behind lawn mowers, power washers, generators, and more. Made from premium base oils and anti-wear additives, it’s designed to protect your engine against oxidation, varnish, and sludge while delivering optimal performance in warm-weather conditions. Count on this 4-cycle oil to keep your outdoor equipment running strong season after season.