Boat Gauge Set Teleflex Black Blue White RPM Tachometer Temp Fuel Oil Pressure 20hp Please check to see that

Please check to see that the one you are replacing has the same part number

10-845706M 2  10-843917 135-3601 396 427 454 366 402

This was off a Mercruiser 350 Rochester Quadrajet 4 barrel

so roughly 1/4"

Boat Gauge Set Teleflex Black Blue White RPM Tachometer Temp Fuel Oil Pressure 20hp Please check to see thatItem Details This is a matching set of boat gauges removed from a dash panel !!! These gauges are completely untested!!! This may or not be the case with this set but there is always a possibility that one is not 100% working, so please keep that in mind when ordering. A general rule of thumb is that if the gauge is not zeroed or in a very weird spot at "rest" then it may have a problem. (not always the case) Many gauge issues like RPM not reading is