Ignitions and Electrical Wiring Components

SIERRAMARINE

4 POSITION IGNITION SWITCH CONVENTI

$42.67

SKU: S08C MP39800

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In Stock
Ships by Jun 15
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The SIERRA MP39800 is a 4-position conventional ignition switch designed for marine applications. It features a function of Acc - Off - Run - Start and is rated for 15 Amp at 12v DC for accessory and ignition functions, with a 30 Amp rating for the solenoid.

Constructed from marine-grade glass-filled polyester, this switch offers maximum corrosion protection by eliminating oxidation. It includes an inner seal between the cylinder lock and contact plate and a non-conductive housing to prevent shorts. The switch requires a 7/8" hole size and accommodates a maximum panel thickness of 1 1/8". It utilizes 4 blade terminals for connection.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSIERRAMARINE
Part NumberS08C MP39800

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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