Mercury / MerCruiser Quicksilver Depth / Temperature Sensor 8M0122505 (10 ft)

The Mercury Quicksilver 8M0122505 is a genuine OEM through-hull depth and water-temperature sensor designed for boats equipped with Mercury SmartCraft engine monitoring systems. It provides real-time depth readings and water temperature data to compatible gauges or multifunction displays.

Key Specifications

Part Number: 8M0122505 (Mercury format 79-8M0122505)
Cable Length: 10 ft (3 m)
Sensor Type: Through-hull depth & temperature transducer
Beam Angle: 12 conical sonar beam
Maximum Useful Depth: approx. 100 m (328 ft)
Recommended Deadrise: 1624 hull angle
OEM Brand: Mercury Marine / Quicksilver

Compatible Systems

This sensor is designed for boats equipped with Mercury SmartCraft electronics, including:

SmartCraft SC1000 gauges
SmartCraft VesselView displays
Other compatible Mercury depth-capable display systems

It typically works with 2002 and newer SmartCraft-equipped Mercury engines.

Function

The sensor performs two primary functions:

Depth Measurement

Uses sonar pulses from the hull-mounted transducer
Sends depth data to SmartCraft displays to help avoid shallow water hazards

Water Temperature Monitoring

Measures water temperature at the hull
Sends readings to engine displays or marine electronics for navigation and fishing use

Whats Included

Kit contents include:

Through-hull depth/temperature transducer
10-ft cable harness
Fuse kit and mounting hardware
Installation hardware for through-hull mounting

Superseded / Related Numbers

Mercury has updated this sensor over time. Related numbers include:

888828
888828A1 / 888828A3
8M0075629
8M0062110

Fitment Tip:
Always verify compatibility with the SmartCraft display or gauge system installed on the boat. Some Mercury displays require specific transducer models or cable lengths.

Shipping:

OEM parts ship same or next day for fast Canada wide shipping.

Technical Specifications: