Electrical 12 volts marine transmission oil pressure gauge has a reading of 0 to 400 psi. With black background illuminate with light bulb, chrome rim,  white needle oil pressure reading of your marine transmission is clear. Each 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 electrical 12 volts 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 MH45R

See Product Installation Instructions