Fit type: Universal,Voltage Regulator Rectifier - Regulator voltage, for Mercury Outboard, Mercury Race Outboard, Mariner Outboard, Rigging parts, for Sea Ray and SportJet. This 815279T Regulator Rectifier uses high quality aluminum , highest grade lamination materials,higher grade of electronic components.And the 883072T Voltage Regulator has overheat protection , help to dissipate excess voltage,prevent over-charging battery , improved heat sink and charging capabilities. The Voltage Regulator Rectifier 815279T replaces part number 815279T, 830179, 830179-2, 830179A1, 830179A2, 830179A3, 830179T, 856748, 883072, 883072T.Commonly found on voltage regulator mercury, mercury outboard rectifier, voltage regulator mercury outboard, mercury outboard regulator and so on. The 815279T Regulator replaces part 815279, 815279-1, 815279-2, 815279-3, 815279-4, 815279-5, 854514A1, 854515, 854515-1, 854515T1, 883071A1, 8M0084173, commonly found on 854515 voltage regulator, regulator rectifier mercury, regulator rectifier for mercury outboard, mercury 883072t, voltage regulator 815279-3 and so on. The 8m0084173 - voltage regulator for Mercury is easy to install, no modification to the electrical system is required, plug-and-play, direct fit.