Mercury – Oil Pressure Sender, 80 PSI | Instrumentation | 815425 Yamaha Marine Outboard Thermostats Safe for use on all

Safe for use on all boats

especially when you’re slipping into a tight slip or spinning the boat around in a narrow fairway

99999-04542-00 - LOWER UNIT ASSY

This product has been superseded by: 8533442

Inflatable fenders

Mercury – Oil Pressure Sender, 80 PSI | Instrumentation | 815425 Yamaha Marine Outboard Thermostats Safe for use on allMercury Oil Pressure Sender, 80 PSI Instrumentation 815425 Overview On a MerCruiser, the oil pressure sender is one of those small parts that can make the whole engine seem like its acting up when really the senders just tired. A bad one will have your gauge flickering, dropping to zero, or giving readings that dont match what the engine sounds like. Swapping in this OEM sender brings the gauge back to giving steady, believable numbers so youre not