Engine oil pressure gauge with alarm system o switchgage 0 to 100 PSI - mechanical. This mechanical oil pressure is designed for the most heavy duty marine, industrial and automotive applications. With black background, chrome rim and white needle oil pressure reading of your marine transmission is clear. This oil pressure guage comes with a 100% money back guarantee and will ship direct to you within 24hr worldwide. You will find our oil pressure gauges monitoring the oil pressure of the most demanding diesel engines such as Detroit Diesel, Cummins and others.
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