Auto Meter 2258 Short Sweep Electric Temperature Sender 1/8 inch NPT and includes 3/8 inch NPT and 1/2 inch NPT adapter fittings Direct replacement for all current auto meter short sweep electric gauges and 250, 300 and 340 degree Not compatible with Auto Gage products Only works with product built in 1995 and later Pre-1995 short sweep electric gauges have a black mask hiding the pointer hub and require a sender 2254