Push-to-Choke Ignition Key Switch for Mercury / Mariner Outboards

Marine-grade aftermarket replacement ignition key switch with wire ends and push-to-choke function for selected Mercury and Mercury-based Mariner remote control boxes.

Supplied complete with 2 keys and mounting nut.

Fitment

Suitable for selected:

Mercury Outboards
Mercury-based Mariner Outboards
Remote control boxes from approximately 1981 onwards
Commander 2000 type control boxes
Electronic ignition systems only

Designed to fit the correct D-shaped mounting hole.

⚠️ Not suitable for magneto ignition systems.

Replaces Mercury / Mariner Part Numbers

17009A2
17009A5
87-17009A2
87-17009A5

OEM part numbers are used for identification only.

Specifications

Push-to-choke ignition switch
Wire-end connection type
2 keys supplied
Mounting nut included
Requires approximately 7/8" mounting hole
D-shaped mounting arrangement
Corrosion-resistant plastic housing
Black plastic face nut
Electronic ignition only

Electrical Ratings

Ignition: 15 Amp @ 12V DC
Solenoid: 30 Amp @ 12V DC
Choke: 7 Amp @ 12V DC

Important

Mercury / Mariner used several different ignition switches and wiring configurations.

Do not order by appearance alone.

Please check:

Original part number
Wire-end configuration
D-shaped mounting
Push-to-choke function
Electronic ignition system

If unsure, send us your engine serial number and a photo of your existing switch and wiring and we will help check compatibility.

Why Buy From SSI Marine?

Workshop-tested aftermarket & OEM-spec parts
Same-day dispatch before 1 PM Mon–Fri
Royal Mail Tracked 24
UK stock
Collection from Leigh, Greater Manchester
Technical support available

Buyer Responsibility

Please confirm compatibility with your engine and existing control box before purchase.

Mercury Mariner Outboard Ignition Key Switch Push to Choke Wire Ends 17009A5