Ignitions and Electrical› Computers, Chips, Modules and Programmers
Mazda
Engine Control Module
SKU: L374-18-881C
Easy — 1–2 hours
Description
This ECM arrives programmed, flashed, and updated to your vehicle's VIN with the latest manufacturer updates, which aim to improve performance and fuel economy. If your vehicle is equipped with PATS (Passive Antitheft System), key reprogramming by a locksmith or dealer may be necessary. Otherwise, the unit is plug-and-play.
Fitment
Fitment Guaranteed
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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
| Brand | Mazda |
| Part Number | L374-18-881C |
| Category | Ignitions 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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