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10_24520570-ed05-4b41-b8e9-10789a4a57a1 - Northline Parts

For Mercury Marine Outboard Ignition Switch key 87-17009A5 87-17009A2 17009A5

Alligator_819_x_200_px - Northline Parts

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$34.99
Sale price  $34.99 Regular price 

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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

Mercury Marine Outboard Ignition Switch with Key - Replaces 87-17009A5 87-17009A2

Get your boat back on the water with this high-quality ignition switch designed for Mercury Marine outboard engines. This aftermarket replacement part offers a reliable and cost-effective solution for worn or faulty ignition switches, ensuring smooth starts and consistent performance every time you turn the key.

Key Features & Benefits

  • Durable construction specifically designed for long-lasting marine use.
  • Simple plug-and-play installation for a hassle-free setup on your vessel.
  • Precision-engineered to meet or exceed standard aftermarket performance.
  • Comes complete with keys for immediate operation and convenience.
  • Corrosion-resistant materials help withstand harsh saltwater and freshwater environments.

Compatible Models

  • Replaces Mercury / Quicksilver Part Numbers: 87-17009A5, 87-17009A2, 17009A5.
  • Fits a wide variety of Mercury Marine Outboard engines with standard ignition configurations.
  • Compatible with many different horsepower ratings and engine model years using the referenced part numbers.

Product Specifications

  • Product Type: Ignition Switch Assembly
  • Part Status: Premium Aftermarket
  • Switch Positions: Off - Run - Start (Push-to-Choke)
  • Materials: High-impact plastic housing with brass terminals
  • Package Includes: 1 Ignition Switch and 2 Keys

Frequently Asked Questions

Is this an OEM part?
No, this is a premium aftermarket replacement part designed to perform just like the original equipment at a more competitive price point.

How do I confirm compatibility?
You can confirm fitment by checking your existing part number against the reference numbers provided (87-17009A5, 87-17009A2, 17009A5) or by consulting your engine's service manual and serial number.


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.

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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.

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