Ignitions and Electrical› Computers, Chips, Modules and Programmers

Haltech

Haltech NEXUS S3 ECU + Plug & Pin Set

$2,215.00

SKU: H002 HT-213100

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Haltech Nexus S3 ECU is a universal fit electronic control unit designed for engines with up to 8 cylinders or up to 4 rotors. It combines the functionality of the Elite 2500 with enhanced processing power for precise engine management.

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

BrandHaltech
Part NumberH002 HT-213100

Videos

⚙️ S2 & S3 Features Explained | PRODUCT OVERVIEWS

⚙️ S2 & S3 Features Explained | PRODUCT OVERVIEWS
✅NEXUS S-Series | FAST FACTS

✅NEXUS S-Series | FAST FACTS
🛠 ECU Wiring Methods Explained | TECH TUESDAY

🛠 ECU Wiring Methods Explained | TECH TUESDAY

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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