Description
Product Overview
The electromagnetic control valve is assembled on the upper part of the common rail injector. The on-board electronic control unit outputs an electrical signal to drive the internal valve core to rise and fall rapidly, thereby controlling the pressure relief and closure of the internal high-pressure oil circuit of the injector, precisely controlling the opening and closing times of the injector and the single-shot fuel injection volume. Under long-term conditions of high-temperature vibration in the engine compartment, erosion by diesel oil and gas, and frequent electromagnetic on-off operations, the sealing surface of the internal valve core will wear, the plug and wiring will age, and the valve body threads will leak. This may result in jet timing disorder, single-cylinder fuel cut-off, rapid drift of the rail pressure, and equipment problems such as difficulty in starting, idle wobble, lack of climbing power, and excessive black smoke emissions from exhaust. This product has standardized processing for the thread specification, plug signal parameters, and outer diameter of the valve body installation. After disassembling the injector, the control valve can be replaced alone to repair the failure of electronic fuel injection. It is suitable for maintenance of light-duty freight trucks, diesel pickup trucks, small wheeled construction machinery, and small diesel generators.
Core Advantages of the Single Product
Integrated stainless steel precision valve body, resistant to pressure and rust, and not prone to deformation or leakage
The valve body is formed by a single piece of stainless steel through lathe processing, with a surface that is precisely polished. It can withstand the high-pressure fuel flushing of the common rail for a long time, resist corrosion by diesel oil and gas, and withstand the temperature difference between the engine compartment's cold and hot conditions. It is not prone to rusting and cracking, and does not leak due to thread issues. It stabilizes the internal high-pressure oil circuit.
90° bent integrated waterproof electronic control plug, avoiding line bending damage
The plug adopts a 90° right-angle bent shape, suitable for the narrow assembly space of the cylinder head, avoiding linear pulling and bending of the wire bundle that could cause breakage. The internal plug is equipped with a waterproof sealing rubber ring to prevent water vapor and oil contamination from invading and causing signal short circuit or transmission failure.
Standard rolled outer threads at the tail, tight assembly and reliable sealing
The tail is precisely rolled with an outer thread, with strict control over the pitch and outer diameter tolerances. After tightening, the fit is high, and there is no oil leakage through the thread under high-pressure conditions. It is not prone to slippage or damage to the threaded sealing surface after multiple disassemblies.
Integrated paired electromagnetic valve core, rapid opening and closing with no signal delay
The valve body is pre-installed with a mirror-polished precision valve core. Under the drive of the electromagnetic force, the rising and falling action is sensitive, the electrical control signal is synchronized without lag, and the single-shot fuel injection volume is precisely controlled. The engine runs smoothly at idle and has linear acceleration power without jolts.
Integrated injection molded sealed plug housing, resistant to oil and pollution, aging, and wear
The plug housing is formed by a single piece of high-temperature-resistant plastic through injection molding. It will not soften or crack due to long-term contact with diesel and engine oil, and can resist aging in the engine compartment's high-temperature environment, extending the service life of the electronic control signal transmission.
Each control valve is independently tested for electromagnetic performance, high-pressure pressure retention, and signal transmission matching at the factory. Installation does not require secondary calibration.
Each control valve is individually tested for electromagnetic opening and closing response, high-pressure pressure retention, and signal transmission matching at the factory. The factory performance parameters are unified, directly matching the corresponding injector cavity, significantly reducing the time for disassembling and debugging the injector. List of Accessories
BK2Q-9K546-AG Integrated Injector Electromagnetic Control Valve Assembly 1 piece, separately packaged in independent sealed plastic bags Applicable scenarios
This product is suitable for light-duty freight trucks, diesel pickups, small-sized wheeled loaders, and small-sized stationary diesel generators equipped with high-pressure common rail fuel supply systems. It is applicable for short-distance urban and rural deliveries, small-scale agricultural operations, light dust and impurity diesel corrosion environments in construction sites, and the replacement of the electronic control core components of the electronic control common rail diesel engine fuel injectors.
Product Basic Parameters
Product Name: BK2Q-9K546-AG Electronic Control Valve Assembly for Fuel Injectors
Part Number: BK2Q-9K546-AG
Main Material: Stainless steel valve body, oil-resistant and waterproof plastic electronic control plug, hardened alloy steel internal valve core
Structural Feature: Integrated stainless steel valve body, 90° bent waterproof electronic control plug, standard rolled outer thread at the tail, internal electromagnetic drive precision valve core
Application Conditions: Electronic control signal control for high-pressure fuel injection, engine compartment alternating cold and hot vibrations, diesel oil and gas corrosion in light-duty electronic control common rail diesel engine fuel injector electronic control actuating components
Product Status: New and complete electronic control valve assembly, factory completed with full calibration and testing for electromagnetic response, high-pressure sealing, and signal matching
Packaging: Separately sealed plastic bags for individual packaging, dust and oil isolation, hard protective tube for cushioning to avoid scratches on the threads, plug sealing surface, supports single retail, bulk purchase of the entire bag, and is compatible with cross-border small package logistics.
