1、OE Number: The replacement part number are 51 902, 51 302. Please check the part numbers whether it suits your vehicle before purchasing, ensuring safety and reliability of use. 2、Efficient Power Cut Off: The master battery disconnect switch effectively cuts off the battery power, preventing short circuits and extending the battery's lifespan. 3、Easy to Operate: Designed for user friendliness, this switch allows for quick disconnecting and connecting of battery power, enhancing its convenience of use. 4、Robust and Enduring: Built with sturdy construction, the battery power isolator killer switch demonstrates strong durability and can work normally in various harsh conditions. 5、Enhanced Battery Performance: By efficiently managing the power connection and disconnection, our switch significantly contributes to optimized and prolonged battery performance.