The Piston (0.50) for 4 Stroke 9 HP (186FA) Diesel Power Tiller / Cultivator delivers reliable engine performance and efficient combustion for agricultural machinery. Made from high-strength alloy, it ensures durability and long service life in challenging farming conditions. This oversize piston is precision-engineered for easy installation and is ideal for engine overhauls, supporting smooth operation and enhanced power output for diesel tillers and cultivators.