Skip to product information
SKU:
SZ1B02919
Same day shipping if ordered by 4PM CST.
3-Position Marine Ignition Switch MP39780 by Sierra – OFF/RUN/START
$69.99
In Stock
$69.99
Sale price
$69.99
Regular price
Estimated delivery between
Let us Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I needed a replacement starter for my mower and wasn’t completely sure which one would fit. I sent them a message and they got back to me quickly, asked for my model information, and helped confirm the right part before I ordered. Everything was handled professionally and the communication was great. Very happy with the service.
Kevin C. — Verified customer
We are proud to offer discounts to Military, First Responders, Medical Workers and Teachers! Fast and easy verification.
Unlock Discount
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
Match the original OFF-RUN-START positions, three-screw-tab terminals and wiring; this is not the four-position accessory switch.
Product Overview
Sierra specifies 7/8-inch mounting hole; 15A ignition at 12V DC and 30A solenoid rating.
Frequently Asked Questions
Will replacing this part solve the issue? Only if the original component is the cause. Similar symptoms can come from other parts, so diagnose the fault before ordering.
Is this an original manufacturer part? Unless explicitly identified as genuine in the product details, treat it as a replacement part rather than a manufacturer-original item.