Animals & Pet Supplies · Ignition Switches
Sierra MP39090 3-Position Magneto Ignition Switch with Keys
Sierra Marine · sold by NVN Marine · $43.21 · in stock
The Sierra MP39090 is a universal 3-position magneto ignition switch that brings an older outboard or magneto-ignition inboard back to reliable key-start life. It ships with a 6-wire screw-terminal connection, a corrosion-resistant polyester housing, an anodized steel back-up nut, and a matched set of keys. A straightforward dash-mount replacement done right. If you've got an older outboard or a magneto-ignition inboard and the key switch has gotten mushy, corroded, or just plain quit, the Sierra MP39090 is the kind of part that gets you back on the water without a lot of fuss. It's a…
| Option | Price | Stock | |
|---|---|---|---|
| Default Title | $43.21 | in stock | Order via Kaupia → · Buy at NVN Marine |
Prices and stock from nvnmarine.com’s public catalog, last checked 2026-11-05 07:46 UTC. “Order via Kaupia” shows the delivered price to your zip (item + the store’s shipping + est. tax) and places the order through Kaupia with a delivery guarantee; “Buy at the store” goes to the store’s own checkout. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:ebdb3ef9-dbfe-4abe-844b-997f044ccced; delivered price GET /v1/quote; order with POST /v1/orders or MCP place_order.