Sierra MP39780 ignition switch for Bayliner boats provides reliable marine power control.
Sierra MP39780 ignition switch for Bayliner boats provides reliable marine power control.

Sierra MP39780 Bayliner Marine Ignition Switch – 12V, 3-Position, 15A

Overview The Sierra MP39780 Bayliner Marine Ignition Switch is built for dependable control in busy waterways. Designed...
Vendor: Sierra
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Sierra MP39780 ignition switch for Bayliner boats provides reliable marine power control.

Sierra MP39780 Bayliner Marine Ignition Switch – 12V, 3-Position, 15A

£38.69
Sierra MP39780 ignition switch for Bayliner boats provides reliable marine power control.

Sierra MP39780 Bayliner Marine Ignition Switch – 12V, 3-Position, 15A

£38.69
Description
Description
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Overview

The Sierra MP39780 Bayliner Marine Ignition Switch is built for dependable control in busy waterways. Designed for 12V DC systems, it handles ignition and solenoid loads with balanced efficiency, while staying compact enough for tight helm panels. This switch brings marine-grade construction to your Bayliner dash, offering a clear, tactile control that’s easy to reach during crucial moments on the water.

Key design and materials

  • Marine-grade glass-filled polyester housing blends strength with lighter weight
  • Back Up Nut made of brass for reliable mounting and corrosion resistance
  • Inner seal between cylinder lock and contact plate helps keep out moisture
  • Non-conductive housing reduces the risk of electrical shorts in a humid environment
  • Face Nut constructed in hex black plastic for a discreet, low-profile finish

Performance and fit

  • Hole size: 7/8 inch; Panel thickness: up to 5/8 inch for a snug, clean install
  • Rated ignition: 15 A at 12 V DC, suitable for typical helm circuits
  • Rated solenoid: 30 A at 12 V DC for robust actuation under load
  • Terminals: 3 screw tab connections for straightforward wiring
  • Type: 3-position conventional switch, offering off, accessory, and run positions

Real‑world use and benefits

In daily use, this switch provides a tangible sense of reliability at the helm. The brass back up nut helps ensure secure mounting even after exposure to vibration and salt, while the inner seal and non-conductive housing work together to resist corrosion and prevent shorts. The compact profile keeps the dash uncluttered, making it a practical choice for Bayliner vessels where space is at a premium.

What you get and how it helps

  • Durable construction readies your ignition setup for marine conditions
  • Corrosion protection and non-conductive housing minimize maintenance and risk of electrical issues
  • Compact dimensions support clean, professional-looking helm installations

Note: This description summarizes notable features and intended use. Always verify fit for your specific vessel and wiring configuration before installation. Benefits described here are possibilities based on design characteristics and are not guarantees of performance.

FAQ

Q: Is the Sierra MP39780 compatible with 12V systems?

A: Yes, it is designed for 12V DC use with a 15A ignition rating and a 30A solenoid.

Q: What are the standout durability features?

A: Corrosion protection, inner seal, non-conductive housing, and a brass back-up nut support marine reliability.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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