Name: Ignition Switch Mercury Mariner 3-Position 87-17009A2 | 4Boats
Brand: marineinfinity
SKU: mp41070
Price: 33.0 GBP
Availability: InStock

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

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

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£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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Every order is checked by the 4Boats team. Contact us before ordering if you need help with part numbers, compatibility or availability.

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