Yutong Bus Yuchai Engine K1A00-1113940 CNG/LNG Natural Gas Injector Assembly (Including Metering Valve 29B001T-83)
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| Product Name | Natural Gas Nozzle Assembly / Gas Injector Metering Valve |
| Fuel Type | CNG (Compressed Natural Gas) / LNG (Liquefied Natural Gas) / LPG |
| Brand | NIKKI (Niki / Japanese Machine) |
| Manufacturer Part Number | K1A00-1113940 (Yutong/Yuchai) |
| Manufacturer Part Number | 29B001T-83 / 29B001T-832 / P30Q250 |
| Interchange Reference Number | 53404.1112010 / 110R-000193 |
| Working Medium | Natural gas (mainly methane) |
| Installation | Gas Common Rail Injector Guide Rail |
| Adaptor Emission Standard | Euro V / Euro VI |
| Material | Stainless Steel (Corrosion-resistant, High-pressure-resistant) |
| Seal Material | Fluorinated Rubber (FPM/FKM) or High Molecular Polymer (resistant to low temperature, gas permeation) |
| Electrical Connection | Standard Bosch/AMP type connector (the specific pin number is as per the actual item) |
| Coil Resistance | Approximately 1.5 - 3.0 Ω (Typical low impedance injector range, to be confirmed by actual measurement) |
| Voltage | DC 12V / 24V (depending on the vehicle's electrical system) |
| Opening Pressure | Common rail pressure range typically 5-15 MPa (specific calibration values see manufacturer's calibration data) |
| Flow Calibration Code | P30Q250 (Nikko internal flow grade identification) |
| Spray Form | Porous Direct Injection / Conical Atomization |
| Operating Temperature | -40°C ~ +120°C |
| Certification | ISO 9001 / IATF 16949 / ECE R110 (Vehicle Compressed Natural Gas Component Certification) |
Manufacturer No.
29B001T-8329B001T-83229B001-832P30Q250110R-000193
OEM Part No.
K1A00-1113940K1A00111394053404.1112010
Engine Part No.
Yuchai CNG SeriesYuchai LNG SeriesYuchai 6-Cylinder Gas Engine
Interchange No.
29B001T-8329B001T-83229B001-832P30Q25053404.1112010110R-000193K1A00-1113940
Fitment Vehicles
Yutong ZK6126GHA-CNGYutong ZK6120 CNGYutong 12-meter Low-floor Natural Gas BusGolden Dragon Natural Gas CoachYuchai Gas Engine Matched Vehicle Model
Fuel System - Industrial Encyclopedia
Supplying Yutong Bus exclusive K1A00-1113940 Natural Gas Injector Assembly, OEM equivalent to Neiki 29B001T-83 (P30Q250) Metering Valve. Compatible with Yuchai CNG/LNG gas engines, widely used in Yutong ZK6126GHA, ZK6120 and other 12-meter low-floor city buses. The product has high precision opening pressure, flow coefficient and corrosion resistance, meets the national V/VI emission standards, and is a key precision part of the gas common rail system.