---
product_id: 298295026
title: "Tutor Auto Ignition Key Starter Switch Assembly For Mercury/Mercruiser Outboard Control Box Motor 3 Position Off-Run-Start Replace 87-17009A5"
brand: "tutor auto"
price: "$79"
currency: NZD
in_stock: true
reviews_count: 5
category: "Tutor Auto"
url: https://www.desertcart.nz/products/298295026-tutor-auto-ignition-key-starter-switch-assembly-for-mercury-mercruiser
store_origin: NZ
region: New Zealand
---

# 3-position Off-Run-Start switch Plug & play easy installation OE-compatible 87-17009A5A design Tutor Auto Ignition Key Starter Switch Assembly For Mercury/Mercruiser Outboard Control Box Motor 3 Position Off-Run-Start Replace 87-17009A5

**Brand:** tutor auto
**Price:** $79
**Availability:** ✅ In Stock

## Summary

> 🔑 Ignite your adventure with flawless control and zero downtime!

## Quick Answers

- **What is this?** Tutor Auto Ignition Key Starter Switch Assembly For Mercury/Mercruiser Outboard Control Box Motor 3 Position Off-Run-Start Replace 87-17009A5 by tutor auto
- **How much does it cost?** $79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/298295026-tutor-auto-ignition-key-starter-switch-assembly-for-mercury-mercruiser)

## Best For

- tutor auto enthusiasts

## Why This Product

- Trusted tutor auto brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Risk-Free Confidence:** Backed by a 3-year warranty and dedicated customer support for worry-free ownership.
- • **Durability That Lasts:** Crafted from premium materials to ensure long-lasting, reliable performance on every voyage.
- • **Effortless Installation:** Plug into your existing wiring harness—no mechanic needed, get back on water faster.
- • **Triple-Position Control:** Intuitive Off-Run-Start functionality for smooth, professional-grade engine management.
- • **Precision OE Compatibility:** Seamlessly replaces Mercury/Mercruiser ignition switch with exact OE 87-17009A5A fit.

## Overview

The Tutor Auto Ignition Key Starter Switch Assembly is a high-quality, OE-compatible replacement for Mercury/Mercruiser outboard control boxes. Featuring a 3-position Off-Run-Start design, it offers durable construction and easy plug-and-play installation. Supported by a 3-year warranty and responsive customer service, it ensures reliable engine ignition and seamless boating experiences.

## Description

Replacement 87-17009A5A Feature Easy replacement, just plug into wiring harness Installation position: Mercury Control 3 Position: Off-Run-Start Package Includes: 1* Ignition Key Switch No Risk To Buy We pursue to provide you with high quality product.You can return it to us if you don't satisfy with the ignition key switch. Great After-sales Service: ●3 YEARS WARRANTY ●If you have any problems of ignition sensor switch, please contact us first and we will try our best to solve the problems

Review: High quality ignition switch
Review: Just installed it yesterday. It is works. Wiring diagram helps a lot to connect old wires, even if you don't have experience. Looks like well made product. Lets see

## Features

- 【Ideal Ignition Sensor Key】OE:87-17009A5A. While it is not a genuine one, it is designed to meet with the original part.
- 【Durable and reliable】Made by high quality material to ensure long using life.
- 【Fits for】Replacing OE number for reference: 87-17009A5， fit for Mercury Outboard Remote Control Box
- 【Easy to install】- Very easy to install, plug into wiring harness
- 【Excellent Service】- Order from Skyee-blue for a true free-worried shopping experience. Any problems of ignition key, just feel free to contact us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Z4FMYTK |
| Best Sellers Rank | #162,239 in Automotive ( See Top 100 in Automotive ) #179 in Car Ignition Starter Switches |
| Brand | Tutor Auto |
| Customer Reviews | 4.4 4.4 out of 5 stars (148) |
| Date First Available | 28 October 2019 |
| Item Weight | 10 g |
| Item model number | 764425764687 |
| Lift Type | ON-OFF |
| Manufacturer | Skyee-blue |
| Manufacturer Part Number | 87-17009A5 |
| Model | Ignition Key Starter Switch Assembly For Mercury/Mercruiser Outboard Control Box Motor 3 Position Off-Run-Start Replace 87-17009A5 |
| Product Dimensions | 13 x 5 x 5 cm; 10 g |

## Product Details

- **Brand:** Tutor Auto
- **Connector type:** Plug In
- **Contact type:** Normally Closed
- **Operation mode:** ON-OFF
- **Switch type:** Ignition Switch

## Images

![Tutor Auto Ignition Key Starter Switch Assembly For Mercury/Mercruiser Outboard Control Box Motor 3 Position Off-Run-Start Replace 87-17009A5 - Image 1](https://m.media-amazon.com/images/I/718yZv9XwjL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***R on 5 September 2025*

High quality ignition switch

### ⭐⭐⭐⭐⭐ Review
*by P***L on 25 August 2025*

Just installed it yesterday. It is works. Wiring diagram helps a lot to connect old wires, even if you don't have experience. Looks like well made product. Lets see

### ⭐⭐⭐⭐⭐ Review
*by Y***. on 16 July 2024*

works perfect all the wire was the same color easy to install

## Frequently Bought Together

- 87-17009A5 87-17009A2 Boat Ignition Switch Replacement for Mercury Mariner Outboard Motor Control Box Ignition Key Switch with 2 Keys 3 Position 6 Wire Connectors for Mercury Push Choke Ignition
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- 815279T Regulator Rectifier Mercury 883072T 6 Wire for Mercury Voltage Regulator 40HP 50HP 55HP 60HP 75HP 90HP 100HP 115HP 125HP 135HP 150HP 175HP 200HP 250HP 275HP 854515 815279-3

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**Shop now:** [https://www.desertcart.nz/products/298295026-tutor-auto-ignition-key-starter-switch-assembly-for-mercury-mercruiser](https://www.desertcart.nz/products/298295026-tutor-auto-ignition-key-starter-switch-assembly-for-mercury-mercruiser)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-16*