Voltage 12V / 24V Multi-Voltage Unit & Package Sold by each, color display bag Part No. Description Fits 69992 Electric solenoid valve Grand General train horn & air horn 69993 Heavy duty electric solenoid valve Grand General train horn & air horn (with two air hose fittings) Part No. & Image Selection Electric Solenoid Valve for Train Horn and Air Horn Part No.: -- Please Select -- 69992 69993 Combination of product variants is not available Updating... Related Products Seat Belt Comfort Pad Cover Wood Series Plain 4-Hole License Plate Frames with Thin Bottom Large Rosewood Screw-In Air Valve Control Knobs with Iron Cross Trailer Hub Cap Clip Set Wood Screw-In Air Valve Control Knobs with Iron Cross Chrome Aluminum Gear Shift Ball Knobs