Free Shipping On orders over $1,000
Expert Support Product. Support. Tuning.
Expert EFI Tuning Support TheEFIBrain 24 Hour Chat
Top Brands Holley, MSD, RacePak & More
Secure Checkout Safe & secure shopping

Home / Shop / MaxxECU RACE H2O PREMIUM (ECU, harnesses, accessories, LSU 4.9)

MaxxECU RACE H2O PREMIUM (ECU, harnesses, accessories, LSU 4.9)
MaxxECU

MaxxECU RACE H2O PREMIUM (ECU, harnesses, accessories, LSU 4.9)

Part # 2252

$2,122.78

In Stock

The waterproofed RACE. Same capability as RACE PREMIUM — 3–12 cylinders, up to 8 fully sequential, dual knock inputs, 8 EGT inputs — in an IP67 sealed case, for boats, offroad and anywhere the ECU cannot be kept dry.

Everything in the box — this is the complete PREMIUM package, not the bare ECU:

  • 1 × 1896 — MaxxECU RACE H2O unit
  • 1 × 871 — MaxxECU V1/RACE/PRO flying lead wiring harness, connector 1
  • 1 × 1787 — MaxxECU RACE harness 2 (EGT, E-Throttle, extra)
  • 1 × 2018 — Bosch wideband lambda sensor LSU 4.9 (0281 004 191)
  • 1 × 1533 — Connector, 6-way socket housing for the wideband sensor
  • 1 × 949 — MaxxECU Bluetooth mobile antenna
  • 1 × 1606 — MaxxECU PRO / RACE H2O USB cable, 1.5 m
  • 1 × 928 — MaxxECU hose kit (MAP sensor, including nipples)
  • 1 × 1052 — MaxxECU extra cable for installations
  • 1 × 1911 — MaxxECU RACE wiring diagram, printed
  • 1 × 1852 — MaxxECU Quick Guide (English)
  • 2 × 1235 — MaxxECU sticker

Tuned with MTune on a Windows PC. Not sure which MaxxECU suits your combination? Call us on 928-706-6112 and we will walk through it.