The Ford 81711892 is a genuine OEM engine oil pressure switch designed for a wide range of Ford and New Holland agricultural tractors. Featuring a 1/8 NPT thread and a single terminal, this switch activates between 0.3-0.6 bar (4-8 PSI) to monitor engine oil pressure. It is a critical component for ensuring engine health by providing essential feedback and preventing potential damage from low oil pressure. Engineered for durability and precise operation, it ensures accurate readings and reliable performance in demanding conditions.