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Ignitions and Electrical Computers, Chips, Modules and Programmers

MegaSquirt

3 ECU V3.57 Standalone Engine Management System

$724.99 $659.99 Save $65.00

SKU: MS3357-C

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The MegaSquirt 3 ECU V3.57 is a standalone engine management system offering significant improvements over previous platforms. Built with the MS3 daughterboard, it provides enhanced processing power, higher resolution fuel and ignition tables, and supports modern engine control strategies. This version is preconfigured for basic fuel and spark setups with batch fire injection and a single logic-level ignition output.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

BrandMegaSquirt
Part NumberMS3357-C
CategoryIgnitions and Electrical

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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