The Case IH 669016R1 is a genuine OEM ignition key designed for a wide range of Case IH agricultural and construction equipment. This durable key ensures reliable starting and operation, serving as a direct replacement for lost or damaged original keys. It is compatible with numerous tractor models including the 2290, 2390, 2590, 4490, 4690, 4890, 4994, 9110, 9130, 9150, 9170, 9180, 9210, 9230, 9240, 9250, 9260, 9270, 9280, 9310, 9330, 9350, 9370, 9380, 9390, 9400, 9450, 9500, 9550, 9600, 9650, 9680, 9700, 9750, 9800, 9850, 9880, 9900, 9950, 9980, 9990, STX275, STX280, STX325, STX330, STX375, STX380, STX425, STX430, STX440, STX450, STX480, STX500, STX530, STX550, and STX600 series.