Mercury – SC1000 Tachometer 4000 RPM | SmartCraft Analog Gauge | Black Face | 85 mm | 79-8M0135630 Lower Units A dependable alternator isn’t just

A dependable alternator isn’t just about keeping batteries charged

This diagnostic port keeps service simple

Radar Arch

More reliable spark output than common aftermarket sets

and now SiriusXM-ready for satellite radio

Mercury – SC1000 Tachometer 4000 RPM | SmartCraft Analog Gauge | Black Face | 85 mm | 79-8M0135630 Lower Units A dependable alternator isn’t justMercury SC1000 Tachometer 4000 RPM SmartCraft Analog Gauge Black Face 85 mm 79 8M0135630 Overview The Mercury SC1000 4000 RPM Tachometer (79 8M0135630) combines SmartCraft accuracy with a clean, factory look. Featuring a black face, white numerals, and a glass lens, it fits a standard 85 mm (3 3 8 in.) dash hole. This tach delivers smooth, real time RPM readings and supports SmartTow and other SmartCraft features depending on your engine setup and