Description

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.

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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:16°–24° hull angle

• OEM Brand: Mercury Marine / Quicksilver

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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.

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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

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What’s Included

Kit contents include:

• Through-hull depth/temperature transducer

• 10-ft cable harness

• Fuse kit and mounting hardware

• Installation hardware for through-hull mounting

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Superseded / Related Numbers

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

• 888828

• 888828A1 / 888828A3

• 8M0075629

• 8M0062110

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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:

• Type: Dual-function depth and temperature sensor
• Cable Length: 10 feet
• Compatible with: Mercury MerCruiser marine instrumentation systems
• Part Number: 8M0122505