1. Fitment: Replacement for Optimax outboard engines 2001 and newer, replacement for V-6 EFI 30-60 EFI 4 stroke engines, replacement for Verado engines 2002 and newer, and replacement for Mercruiser Smart Craft and Racing products (provided that these model​ are equipped with a 555 ECM or PCM).
2. Manufacturer Part Number: The part number for reference is 79 8M0135634, 8M0135634, 79 8M0101097, 79 8M0079892. Please confirm whether it is consistent with the part number you need to avoid wrong buying and other problems.
3. Comprehensive Engine Monitoring: The tachometer displays all necessary engine information, including voltage, RPM, water pressure, engine temperature, engine hours, trim, and fuel flow (in gallons/hour or liters/hour).
4. Alerts Made Easy: The instrument shows the engine alarm status and provides information about issues and severity. When an alarm sounds, the tachometer will display the current alarm status on the LCD screen in the form of a bar chart.
5. Trolling Button: This marine tachometer includes a trolling button for idle speed control, making it easier to maintain the optimal speed while fishing or cruising.

Spec:
Item Type: Tachometer Kit
RPM: 0-7000
Wire Harness Length: Approx. 91.44cm / 3ft
Size: Suitable for holes with a diameter of 85mm / 3.35in
Manufacturer Part Number: 79 8M0135634, 8M0135634, 79 8M0101097, 79 8M0079892
Fitment:
Replacement for Smart Craft SC1000
Replacement for Optimax outboard engines 2001 and newer, replacement for V-6 EFI 30-60 EFI 4 stroke engines, replacement for Verado engines 2002 and newer, and replacement for Mercruiser Smart Craft and Racing products (provided that these model​ are equipped with a 555 ECM or PCM

packing list:
1 x Tachometer Kit (5 Parts in total)

Notice:
Please double check the part number and fitment of your item, matching information is for reference only.