New Sierra 58255P Amega Domed marine tachometer from the Sierra / SeaStar / Teleflex Amega gauge series. This black-dial tach features white numerals, red graduations, and a bright white pointer for a clean OEM-style helm appearance and easy readability.
Designed for outboard and 4-stroke gasoline engine applications, this tachometer reads 0–7000 RPM and is intended for use with O/B alternator or coil sender input. The Amega Domed design includes a black near-flush bezel, curved scratch-resistant domed lens, and perimeter/through-dial lighting for improved nighttime visibility.
Features:
- Sierra part number: 58255P
- Amega Domed series
- 3" marine tachometer
- 0–7000 RPM range
- Black face with white numerals and red graduations
- Bright white pointer
- 12 VDC nominal voltage
- IP65 gauge-front protection
- Approx. 3.43" cutout size
- Suitable for many outboard and 4-stroke gas engine applications
Ideal for replacing a failed boat tachometer, matching existing Sierra Amega gauges, or refreshing a helm panel with a clean OEM-style look.
Please confirm fitment and sender/signal compatibility before purchase. Some Mariner 30 & 40 HP two-cylinder engines may require Mercury module 17461A2.
New item. Sold as pictured.