Ignition Switch with 2 Keys for Mercury Mariner 3 Position 87-17009A2 MP41070-2 - 4Boats
Ignition Switch with 2 Keys for Mercury Mariner 3 Position 87-17009A2 MP41070-2 - 4Boats
Ignition Switch with 2 Keys for Mercury Mariner 3 Position 87-17009A2 MP41070-2 - 4Boats
Ignition Switch with 2 Keys for Mercury Mariner 3 Position 87-17009A2 MP41070-2 - 4Boats
Ignition Switch Mercury Mariner 3-Position 87-17009A2 | 4Boats
Ignition Switch Mercury Mariner 3-Position 87-17009A2 | 4Boats
Ignition Switch Mercury Mariner 3-Position 87-17009A2 | 4Boats
Ignition Switch Mercury Mariner 3-Position 87-17009A2 | 4Boats
Ignition Switch Mercury Mariner 3-Position 87-17009A2 | 4Boats
Ignition Switch Mercury Mariner 3-Position 87-17009A2 | 4Boats

Ignition Switch Mercury Mariner 3-Position 87-17009A2 | 4Boats

mp41070

  • Dispatched in 2-3 days
  • 30 Day Return Policy
  • In stock, ready to ship
  • Backordered, shipping soon
Our stock levels are dynamic and can change frequently. If a product appears to be in stock, it may have already sold out. Please contact us if you have any questions about availability. Thank you for your understanding.

Regular price£33.00
/
Tax included.

Ignition Switch for Mercury Mariner 87-17009A2

Premium Quality 3-Position Push-to-Choke Replacement

This premium aftermarket ignition switch is engineered to restore reliable starting performance to your Mercury or Mariner outboard engine. Designed specifically for remote control boxes, this 3-position switch (Off-Run-Start) integrates the essential push-to-choke feature required for cold starts on carbureted and EFI models.

RELIABILITY: Built with marine-grade glass-filled polyester and high-conductivity brass terminals to resist corrosion and electrical arcing in harsh saltwater environments.

Key Features

  • Push-to-Choke: Integrated functionality for easy cold starts.
  • 6-Wire Potted Lead: Sealed construction to prevent moisture ingress.
  • Direct Fit: Colors match factory Mercury/Mariner wiring codes.
  • Complete Kit: Includes 2 keys and mounting hardware.

Technical Specs

Positions 3 (Off - Run - Start)
Terminals 6 Color-Coded Wires
Operating Voltage 12V DC
Ignition Rating 15 Amp @ 12V
Solenoid Rating 30 Amp @ 12V
Hole Size 7/8" (22mm) Standard

Compatibility / Fitment Guide

Make/System Application Notes
Mercury / Mariner Remote Outboard Control Boxes Models from 1994 to present
Mercury Outboards DFI, EFI & MPI Engines Direct plug & play installation
Mariner Outboards 15HP - 225HP Models Check for 6-wire configuration

OEM Cross Reference

Mercury Marine 87-17009A2, 87-17009A5, 17009A2
Sierra International MP41070, MP41070-1, MP41070-2
MarinePro / Seadog 87-17009A5, MP51090

Questions & Answers

Is this a genuine original part?

This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance in marine environments.

How do I know if it is compatible?

We recommend checking the SKU 87-17009A2 or MP41070-2 against your existing switch. This model specifically features a 6-wire potted harness lead. If your current switch has screw terminals or a different wire count, please contact us for the correct version.

Does this switch include the "Push-to-Choke" function?

Yes, this 3-position switch features a push-to-choke function in the "Start" position, just like the original Mercury control box equipment, ensuring reliable cold starts.

Note: Professional installation is recommended to ensure correct electrical grounding and operation. Please verify your original part number against the references above at 4boats.co.uk before purchasing.

For the products under £150 the shipping is £6.99.

Free delivery for most items over £150.

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