Description

Mercury / MerCruiser Quicksilver Sender Kit Alpha / Bravo — 805320A03

The Mercury Quicksilver 805320A03 Sender Kit is a genuine OEM power trim sender and trim limit switch kit used on many MerCruiser sterndrive systems. It provides the signal that tells the dash trim gauge the position of the sterndrive while also controlling the trim limit function.

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Key Specifications

• Part Number: 805320A03

• Component Type: Power trim sender & trim limit switch kit

• System: Sterndrive trim position sensing

• Instrument Type: Analog gauge systems (not SmartCraft)

• OEM Brand: Mercury Marine / Quicksilver

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Compatible Engines / Applications

Used on many MerCruiser sterndrives, including:

• MC-I drives

• R and MR drives

• Alpha One

• Alpha One Gen II

• Bravo One, Two, and Three drives

These systems are commonly found on MerCruiser engines ranging from 3.0L inline-4 through V6 and V8 packages depending on the drive installed.

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Function

The sender kit mounts on the transom assembly and monitors the trim position of the sterndrive. It sends this information to the boat’s trim gauge and limits trim travel to protect the drive when operating at speed.

This helps provide:

• Accurate trim gauge readings

• Proper drive trim control

• Protection from over-trimming at high speeds

The kit includes the trim position sender, trim limit switch, and wiring leads for a complete replacement.

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Symptoms of a Faulty Trim Sender

A failing trim sender may cause:

• Trim gauge stuck or inaccurate

• Erratic trim readings

• Trim limit function not working properly

Replacing the sender kit restores proper trim position feedback and trim control.

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Fitment Tip:
Always verify compatibility using the sterndrive model and serial number. This kit is designed for analog trim gauge systems and is not compatible with SmartCraft digital systems

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

Technical Specifications:

• Type: Drive sender kit
• Compatible with: Mercury MerCruiser Alpha and Bravo sterndrive units
• Part Number: 805320A03