SMX Gear Low Oil Pressure Alarm Switch

From: $55.00

Factory Set Point at 40 PSI (Adjustable 10 to 120 PSI)

Optional HD Steel Fitting available. (1/2″ NPT to SAE #8 Flare)

Shipping Weight

0.5 lbs

Shipping Dimensions 2 × 2 × 2 in

SMX Gear Oil Cooler Sender / Switch Fitting

Fitting is high quality, heavy duty SS, 1/2" NPT to SAE #8 Flare with a prevision for an 1/8" NPT SWITCH or SENDER.

In stock


  • Low Set Point / High-Press Low Set Point / High-Pressure Switch
  • Modeled after the VDO switch to allow for 100% interchangability

Heavy Duty & Built Tough for the Marine Environment

The SMX Gear Oil Pressure Switch is a high pressure / low set point pressure switch for applications that see sudden pressure spikes and high pressures which can result in early switch failures. This series has been strengthened to prevent cracking by using a stainless steel base. Modications to the effective area of the pressure cavity, size of the diaphragm button and diaphragm O-ring are what makes the switch capable of handling sudden pressure changes and high system pressures that are common in applications such marine transmissions and hydraulic systems.

  • Designed to perform in higher pressure environments
  • Viton diaphragm to make it compatible with all oils and temperatures found in marine transmissions
  • Screw terminals to eliminate loose connections
  • Adjustment screw for fine tuning pressure set point
  • Tough, versatile choice for marine applications



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