Sierra OP24891 Oil Pressure Sending Unit, Dual Station
Price: $28.54
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Part # OP24891
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The oil pressure sending unit is a vital component that is essential for your boat’s oil pressure gauge to work efficiently. The Sierra Oil Pressure Sending Unit is compatible with Teleflex oil pressure gauges and other brands as well.

  • For use on dual station units
  • Works with Teleflex and other brands of oil pressure gauges
  • NPT threads

This unit is designed for use on dual station boats.

Features of Sierra Oil Pressure Sending Unit:

  • Works with oil pressure gauge made by Teleflex and other brands
  • For use on dual station boats
  • NPT threads for tight sealing


  • Thread size: 1/8"-27
  • Terminal type: 10-32 stud
  • Pressure range: 0-80 PSI
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Good item
by Richard from Chuluota, Florida on August 18, 2015
Works fine
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by David from Galax, Virginia on May 25, 2012
new and works
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Is this sending unit compatible (ohms) with Faria Oil Pressure Gauge part # 12803?
The problem is this is a dual station so you will need to make sure that's what you need. You can use this with that gauge, but just know these specs: 240 ohms at 0 PSI, 103 ohms at 40 PSI, and 33.5 ohms at 80 PSI for a single station. Dual station senders have 1/2 the resistance value of single station senders. You can contact Sierra or Faria if you need some more technical advice.

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