Nanchong NQ120N4 Natural Gas Engine ECU
| Product Name | Natural Gas Engine Mixer / ECU Computer Board |
| Core Model | NQ120N4 / NQ140N4 |
| Mixing Chamber Type | Double Diaphragm Type |
| Fuel Compatibility | Natural Gas (CNG/LNG) |
| Manufacturer | Jinan Weihuo Gas Fittings Co., Ltd. / Nanchong Naini Power |
| Voltage | 24V (Commercial Vehicle Standard) |
| Mixer Material | Aluminum alloy housing / rubber diaphragm / stainless steel internal parts |
| ECU System | Mechanical/Electronic Gas-specific Control Unit |
| Certification | Meets Euro IV/Euro V emission regulations |
Manufacturer No.
NQ120N4NQ140N4NQ190
OEM Part No.
NQ120N4NQ140N4
Engine Part No.
NQ120NNQ140NNQ120BN5NQ160N4YN36QNEYC6B150N-40
Interchange No.
NQ190NQ120BN5NQ160N4YN36QNEYC6B150N-40
Fitment Vehicles
Dongfeng Nannei NQ120N Series Natural Gas EngineDongfeng Nannei NQ140N Series Natural Gas EngineHengtong Bus City Bus (Natural Gas)Dongfeng Commercial Vehicle (Models with Nannei Natural Gas Engine)
Fuel System - Industrial Encyclopedia
High-precision Electronic Control Unit (ECU) designed for Nanchong NQ120N4, NQ140N4, and NQ190 natural gas engines. Essential for optimizing fuel efficiency and emissions in mixer trucks and heavy-duty vehicles. Aftermarket quality, direct replacement for OEM parts.