mercstuff.com

Oil & Water Sending Units

& Drain Valves

1/8 NPT Oil Sender

This is MerCruiser Oil Sending Unit # 815425T ( Old # 90806 )

It has a 1/8 NPT fitting and is used to send the oil pressure reading to the dash. This sending unit can only be used on boats which have 1 set of gauges. It cannot be used if you have 2 sets of gauges such as 1 in the cockpit and another on a fly bridge.

Sorry, there are no returns on electrical items.

: Order # 5899

3/8 NPT Water Sender

This is MerCruiser Water Sending Unit # 97257A1

It has a 3/8 NPT fitting and is used to send the water temperature reading to the dash. This sending unit can only be used on boats which have 1 set of gauges. It cannot be used if you have 2 sets of gauges such as 1 in the cockpit and another on a fly bridge.

Sorry, there are no returns on electrical items.

: Order # 5897

1/2 NPT Water Sender

This is MerCruiser Water Sending Unit # 97258A1

It has a 1/2 NPT fitting and is used to send the water temperature reading to the dash. This sending unit can only be used on boats which have 1 set of gauges. It cannot be used if you have 2 sets of gauges such as 1 in the cockpit and another on a fly bridge.

Sorry, there are no returns on electrical items.

: Order # 5898

Drain Valves

The brass drain valve is used mainly on engine blocks for draining water from system during winterizing. This has a 1/4" NPT thread on it.

: Order # 4218

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The black plastic drain valve has a 3/4 NPT thread on it. It is used mainly on the bottom of center discharge manifolds for draining water from the exhaust manifolds during winterizing.

This valve come with the drain plug and sealing o-ring.

: Order # 6926

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Last modified: April 25, 2010