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Home / Forced Induction / Water Meth Kits / AEM V3 1 Gallon Water/Methanol Injection Kit (Internal Map)
AEM

AEM V3 1 Gallon Water/Methanol Injection Kit (Internal Map)

PART 30-3300CATEGORY Water Meth Kits
$539.96
MSRP $674.95You save $134.99
$539.96
1

Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Some supplier details are unavailable for this product.

Product description

V2 Water/Methanol Injection Kit, Standard Controller - Internal MAP with 35psi max, 200psi WM Pump, 1.15 Gallon Reservoir, Conductive Fluid Level Sensor

35 PSI Max Standard Controller - 1.15 Gallon Reservoir

AEM V3 Water/Methanol Injection Kit

Features

Terminated harness features positive lock connector with integrated pump ground circuit and additional wire for optional on/off flow solenoid

Three interchangeable injector nozzles to cover a wide variety of HP levels (250cc/min, 500 cc/min & 1,000cc/min)

30-3350 Multi Input kit for high compression naturally aspirated and forced induction applications

30-3300 Boost Dependent kit (up to 35PSI) includes molded-in nipple for boost hose

One machined billet injector with integral check valve to prevent unintended flow

Recirculation-style pump with integral fittings for quiet operation

Covered status LED and test button for improved splash resistance

Integrated plug for mating to positive-lock connector on harness

1-gallon tank with built-in conductive low fluid level indicator

Large adjustment knobs and numbering for easy programming

LED dash light for system status and low fluid warning

Includes "Boost Safe" readiness failsafe system

20 ft. of high-pressure nylon injection tubing

Integrated fuse and mounting tabs

CONTROLLER FEATURES:

Supplier category
Forced Induction
Supplier subcategory
Water Meth Kits
UPC / barcode
840879022600
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
Yes
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No

Manuals and documents

More manufacturer information

Other product descriptions

AEM V3 1 Gallon Water/Methanol Injection Kit (Internal Map)

H2O INJ KIT V3 INT MAP 1GAL

AEM - Water/Meth Injection

Water/Meth Injection

Injection Kit

About the manufacturer

These new controllers retain the "Boost Safe" injection failsafe system, which is an output that will activate if there is a short, loss of continuity or high or low voltage or low fluid condition, allowing users to define their failsafe strategy from something as simple as flashing a warning light to more advanced strategies like pulling boost or ignition, or switching fuel maps on a standalone engine management system.Simplified WiringThe new wiring harness is terminated with a positive-lock connector on one end and has color-coded wires to ease installation. An integrated Pump Ground circuit is included in the harness which simplifies the wiring process and eliminates any chance of the pump accidentally activating from a short in the system. An additional wire is included for adding an optional on/off solenoid to stop fluid flow when the system is inactive.Improved Injector Flow Rate & Nozzle SizesAEM's engineers spent extensive time revamping the controller's flow control strategy for a more linear flow output delivery. This means that the flow delivery better matches an engine's need for water/methanol injection, which further optimizes charge air cooling and detonation control. Three resized injector nozzles are in each kit and allow for improved flow capability (a flow graph is available on our website).New Low Level Fluid IndicatorA more accurate, conductive low level fluid sensor is integrated into the tank and features a positive lock connector with color-matched wires to the wiring harness. The sensor eliminates any chance of incorrect readings due to interference from debris.

The Multi Input controller works with an external 0-5v voltage-based external MAP sensor, a frequency based input for Injector Duty Cycle (IDC), frequency-based mass airflow (MAF), or a 0-5v voltage-based MAF.Robust, Easy to Use Controller DesignsThe new controller designs feature large, turn-resistant knobs and larger numbering to easily set accurate start and full activation points, with covered status LED and test buttons for added splash resistance.

The Boost Dependent controller has an on-board manifold absolute pressure (MAP) sensor with a molded-in nipple for a boost hose pickup.The second controller (Kit PN 30-3350) features a multiple input design that enables users to install AEM's Water/Methanol Injection Kit on both high compression naturally aspirated vehicles (NA) via the MAF/IDC settings and ultra-high boost vehicles (above 35 PSI) using an external MAP sensor.

The Multi Input controller has an easy-to-remove plug covering the programming dipswitches and a programming legend on the back for the 0-5v and frequency based settings. Both controller housings feature an easy to access integrated fuse and molded mounting tabs.

A plug is integrated into the controller housing for mating to the redesigned wiring harness's positive-lock connector. The Boost Dependent controller housing has a molded-in, barbed nipple to accept a boost hose and a wiring legend on the back.

Water/Methanol for High Compression Naturally Aspirated and Forced Induction Gas EnginesAEM offers two different water/methanol controller designs:One is boost dependent (Kit PN 30-3300) for forced induction vehicles up to 35 PSI of boost.

V2 Water/Methanol Injection Kit, Standard Controller - Internal MAP with 35psi max, 200psi WM Pump, 1 Gallon Reservoir, Conductive Fluid Level Sensor

Boost Safe Feature

Additional manufacturer information

Water Injection System Kit

AEMEWATEINJE

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AEM V3 1 Gallon Water/Methanol Injection Kit (Internal Map) | Q40 Motorsports