Skip to product information
10_bbea5fff-e872-4ea8-a365-35c9531bf6d0 - Northline Parts

Boat Lgnition Key Switch 6 Wires For Mercury Outboard Control Box 87-17009A2

Alligator_819_x_200_px - Northline Parts

The Aftermarket Parts Specialists

$34.99
Sale price  $34.99 Regular price 

In Stock

Ships Nationwide in 2–4 business days.

Questions? We're here to help!

Talk with a parts expert today

Call us

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Boat Ignition Key Switch (6 Wires) for Mercury Outboard Control Box - Aftermarket Replacement for 87-17009A2

Ensure a reliable start every time you hit the water with this premium boat ignition key switch. Designed as a direct aftermarket replacement for Mercury outboard control boxes, this 6-wire switch offers a dependable and cost-effective solution for your marine ignition needs. Engineered for durability, it provides a seamless fit and easy installation to get your engine running smoothly again.

Key Features & Benefits

  • Direct replacement for part number 87-17009A2.
  • Reliable 6-wire configuration for standard Mercury control boxes.
  • Includes two keys for convenience and emergency backup.
  • Marine-grade construction designed to resist corrosion and harsh environments.
  • Simple design for straightforward, hassle-free installation.

Compatible Models

  • Mercury Outboard Remote Control Boxes
  • Replaces Mercury Part Number: 87-17009A2
  • Replaces Mercury Part Number: 87-17009A5
  • Compatible with Mariner outboard models utilizing a 6-wire ignition system.

Product Specifications

  • Part Type: Ignition Key Switch
  • Wiring: 6-Wire connection
  • Positions: Off - Run - Start (Push-to-Choke function included)
  • Condition: Brand New Aftermarket

Frequently Asked Questions

Is this an OEM part? No, this is a high-quality aftermarket part designed to function just like the original equipment while offering great value.

How do I confirm compatibility? To ensure a perfect fit, please check your current ignition switch for a 6-wire setup and verify that your original part number matches 87-17009A2 or 87-17009A5.


Important: This item is an aftermarket replacement part sold by Northline Parts. It is not an OEM part unless specifically stated. Any brand names, model names, or part numbers are used for compatibility reference only. Please verify fitment by comparing your original part, product photos, and vehicle or equipment details before ordering.

Need Any Help?

Work 1-on-1 With An Expert For:

  • The Right Part Selection
  • Our Best Pricing Tiers
  • Priority Customer Support
  • White Glove Installations
  • Flexible Payment Options

Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

Complete This Form

You may also like

Keywords (Used as search references only) View IP policy.