Add on Temperature Sensors where to buy

[nguoi_viet41]

Hi i'm looking to buy Add on Temperature Sensors for my 1979 v6 150hp outboard but im not sure witch one is good for my need


i found this one cost $40 TEMPERATURE GAUGE w/ SENDING UNIT SENSOR parts
this GAUGE only colors bar i like to buy the one with numbers on the gauge
anyone know where i can get one and price cheaper and EZ install

thanks