Marine Gear Oil Pressure Gauge, Mechanical With Alarm 0 to 400





This mechanical marine transmission oil pressure gauge with alarm switch or switchgage has a reading of 0 to 400 psi. With black background, chrome rim and white needle oil pressure reading of your marine transmission is clear. The switch in the alarm is designed to trigger the alarm system at the level of oil pressure you desired be notified. Each transmission oil pressure gauge is designed for extreme heavy duty application and comes with a 100% money back guarantee. All marine transmission oil pressure gauges are shipped direct to you within 24hrs. This mechanical oil pressure gauge can be used with all marine transmission. A short sample of the marine transmissions that use this oil pressure gauges is the list below.
Twin Disc marine transmission models: MG502, MG506, MG5050, MG5061, MG507, MG5075, MG509, MG5090, MG5091, MG5111, MG5111A, MG5114, MG5114A, MG514, MG514C, MG516, MG518, MG521 and MG527.
Allison marine transmission model M: M15, M15L, M15R, M20, M20L, M20R
Allison marine transmission model MH: MH15, MH15L, MH15R, MH20, MH20L, MH20R, MH30, MH30L, MH30R, MH45, MH45L, and MH45RDP- 20P300 Marine transmission oil.
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| Item | Product Description | Price | Qty | Action |
|---|---|---|---|---|
![]() | 24 Volt Relay For Switch Gauge Relay 24 volts for switch gauge, oil pressure, water temperature, liquid level. This relay can shutdown the engine once the designated gauge level is reached, in order to prevent damage. It can also restart the engine once the engine level goes below the designated shutdown level | $ 131.74 | 1 | |
![]() | Pressure Alarm System Siren 6 to 28 VDC -SAH This mini siren provides an audible alarm (90 decibles) when fault conditions are detected by a switchgauge instrument.
It can be panel mounted and operated on 6-28 VDC. This model has a Piezoelectric transducer and steady tone. This product (when used in tandem with the flasher alarm light and audible alarm driver) will give an audible warning when the flashing alarm light operates, or it can be wired directly to the switchgauge contacts for an audible alarm only. | $ 102.25 | 1 | |
![]() | 12 Volt Relay for Switch Gauge Relay 12 volts for switch gauge, oil pressure, water temperature, liquid level. This relay can shutdown the engine once the designated gauge level is reached, in order to prevent damage. It can also restart the engine once the engine level goes below the designated shutdown level | $ 135.20 | 1 | |
![]() | Mechanical Gauges Standard | |||
![]() | Mechanical Gauges With Alarm | |||
![]() | Electrical Gauges 12 Volts | |||
![]() | Electrical Gauges 24 Volts |



