Digital Water Pressure Sensor Replaces Mercury 71-8M0157742 For Sale - New and Used

Digital Water Pressure Sensor Kit. Or \"water flow sensor,\" its actual function is to monitor cooling system water pressure from 0 to 50 PSI.
Cross-Reference & Superseded Parts

This sensor replaces a long line of older Mercury part numbers. Including these in your cross-reference data will help capture buyers trying to replace the older iterations:

• This specific sensor features a composite body with brass fittings and connects directly to the engine\'s monitoring system. It covers a wide range of inboard and outboard applications:

  • MerCruiser (Inboard & Sterndrive): Fits select V6 and V8 MPI engines, specifically the 305, 350, 377, 496, and 502 CID platforms.

  • Mercury Outboard (2-Stroke): Fits 110–200 HP models, including the 2.5L Jet, Pro XS, DFI, and SST series.

  
  

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